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This is auctex.info, produced by makeinfo version 6.8 from auctex.texi.
This manual is for AUCTeX (version 13.1.5 from 2022-10-20), a
sophisticated TeX environment for Emacs.
Copyright (C) 1992-1995, 2001, 2002, 2004-2022 Free Software
Foundation, Inc.
Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License,
Version 1.3 or any later version published by the Free Software
Foundation; with no Invariant Sections, no Front-Cover Texts and no
Back-Cover Texts. A copy of the license is included in the section
entitled "GNU Free Documentation License."
INFO-DIR-SECTION Emacs
START-INFO-DIR-ENTRY
* AUCTeX: (auctex). A sophisticated TeX environment for Emacs.
END-INFO-DIR-ENTRY
INFO-DIR-SECTION TeX
START-INFO-DIR-ENTRY
* AUCTeX: (auctex). A sophisticated TeX environment for Emacs.
END-INFO-DIR-ENTRY

File: auctex.info, Node: Top, Next: Copying, Up: (dir)
AUCTeX
******
This manual may be copied under the conditions spelled out in *note
Copying this Manual::.
AUCTeX is an integrated environment for editing LaTeX, ConTeXt,
docTeX, Texinfo, and TeX files.
Although AUCTeX contains a large number of features, there are no
reasons to despair. You can continue to write TeX and LaTeX documents
the way you are used to, and only start using the multiple features in
small steps. AUCTeX is not monolithic, each feature described in this
manual is useful by itself, but together they provide an environment
where you will make very few LaTeX errors, and makes it easy to find the
errors that may slip through anyway.
It is a good idea to make a printout of AUCTeX's reference card
'tex-ref.tex' or one of its typeset versions.
If you want to make AUCTeX aware of style files and multifile
documents right away, insert the following in your init file (usually
'~/.emacs.d/init.el').
(setq TeX-auto-save t)
(setq TeX-parse-self t)
(setq-default TeX-master nil)
Another thing you should enable is RefTeX, a comprehensive solution
for managing cross references, bibliographies, indices, document
navigation and a few other things. (*Note (reftex)Installation::.)
For detailed information about the preview-latex subsystem of AUCTeX,
see *note Introduction: (preview-latex)Top.
There is a mailing list for general discussion about AUCTeX: write a
mail with "subscribe" in the subject to <auctex-request@gnu.org> to join
it. Send contributions to <auctex@gnu.org>.
Bug reports should go to <bug-auctex@gnu.org>, suggestions for new
features, and pleas for help should go to either <auctex-devel@gnu.org>
(the AUCTeX developers), or to <auctex@gnu.org> if they might have
general interest. Please use the command 'M-x TeX-submit-bug-report
<RET>' to report bugs if possible. You can subscribe to a low-volume
announcement list by sending "subscribe" in the subject of a mail to
<info-auctex-request@gnu.org>.
* Menu:
* Copying:: Copying
* Introduction:: Introduction to AUCTeX
* Editing:: Editing the Document Source
* Display:: Controlling Screen Display
* Processing:: Starting Processors, Viewers and Other Programs
* Customization:: Customization and Extension
* Appendices:: Copying, Changes, Development, FAQ, Texinfo mode
* Indices:: Indices
-- The Detailed Node Listing --
Introduction
* Summary:: Overview of AUCTeX
* Installation:: Installing AUCTeX
* Quick Start:: Quick Start
Editing the Document Source
* Quotes:: Inserting double quotes
* Font Specifiers:: Inserting Font Specifiers
* Sectioning:: Inserting chapters, sections, etc.
* Environments:: Inserting Environment Templates
* Mathematics:: Entering Mathematics
* Completion:: Completion of macros
* Commenting:: Commenting text
* Indenting:: Reflecting syntactic constructs with whitespace
* Filling:: Automatic and manual line breaking
Inserting Environment Templates
* Equations:: Equations
* Floats:: Floats
* Itemize-like:: Itemize-like Environments
* Tabular-like:: Tabular-like Environments
* Customizing Environments:: Customizing Environments
Controlling Screen Display
* Font Locking:: Font Locking
* Folding:: Folding Macros and Environments
* Outline:: Outlining the Document
* Narrowing:: Restricting display and editing to a portion of the buffer
* Prettifying:: Displaying Greek and math macros as Unicode characters
Font Locking
* Fontification of macros:: Fontification of macros
* Fontification of quotes:: Fontification of quotes
* Fontification of math:: Fontification of math constructs
* Verbatim content:: Verbatim macros and environments
* Faces:: Faces used by font-latex
* Known problems:: Known fontification problems
Starting Processors, Viewers and Other Programs
* Commands:: Invoking external commands.
* Viewing:: Invoking external viewers.
* Debugging:: Debugging TeX and LaTeX output.
* Checking:: Checking the document.
* Control:: Controlling the processes.
* Cleaning:: Cleaning intermediate and output files.
* Documentation:: Documentation about macros and packages.
Viewing the Formatted Output
* Starting Viewers:: Starting viewers
* I/O Correlation:: Forward and inverse search
Catching the errors
* Ignoring warnings:: Controlling warnings to be reported
* Error overview:: List of all errors and warnings
Customization and Extension
* Multifile:: Multifile Documents
* Parsing Files:: Automatic Parsing of TeX Files
* Internationalization:: Language Support
* Automatic:: Automatic Customization
* Style Files:: Writing Your Own Style Support
Language Support
* European:: Using AUCTeX with European Languages
* Japanese:: Using AUCTeX with Japanese
Automatic Customization
* Automatic Global:: Automatic Customization for the Site
* Automatic Private:: Automatic Customization for a User
* Automatic Local:: Automatic Customization for a Directory
Writing Your Own Style Support
* Simple Style:: A Simple Style File
* Adding Macros:: Adding Support for Macros
* Adding Environments:: Adding Support for Environments
* Adding Other:: Adding or Examining Other Information
* Hacking the Parser:: Automatic Extraction of New Things
Copying, Changes, Development, FAQ
* Copying this Manual::
* Changes::
* Development::
* FAQ::
* Texinfo mode::
Copying this Manual
* GNU Free Documentation License:: License for copying this manual.
Indices
* Key Index::
* Function Index::
* Variable Index::
* Concept Index::

File: auctex.info, Node: Copying, Next: Introduction, Prev: Top, Up: Top
Copying
*******
AUCTeX primarily consists of Lisp files for Emacs, but there are also
installation scripts and files and TeX support files. All of those are
"free"; this means that everyone is free to use them and free to
redistribute them on a free basis. The files of AUCTeX are not in the
public domain; they are copyrighted and there are restrictions on their
distribution, but these restrictions are designed to permit everything
that a good cooperating citizen would want to do. What is not allowed
is to try to prevent others from further sharing any version of these
programs that they might get from you.
Specifically, we want to make sure that you have the right to give
away copies of the files that constitute AUCTeX, that you receive source
code or else can get it if you want it, that you can change these files
or use pieces of them in new free programs, and that you know you can do
these things.
To make sure that everyone has such rights, we have to forbid you to
deprive anyone else of these rights. For example, if you distribute
copies of parts of AUCTeX, you must give the recipients all the rights
that you have. You must make sure that they, too, receive or can get
the source code. And you must tell them their rights.
Also, for our own protection, we must make certain that everyone
finds out that there is no warranty for AUCTeX. If any parts are
modified by someone else and passed on, we want their recipients to know
that what they have is not what we distributed, so that any problems
introduced by others will not reflect on our reputation.
The precise conditions of the licenses for the files currently being
distributed as part of AUCTeX are found in the General Public Licenses
that accompany them. This manual specifically is covered by the GNU
Free Documentation License (*note Copying this Manual::).

File: auctex.info, Node: Introduction, Next: Editing, Prev: Copying, Up: Top
1 Introduction
**************
* Menu:
* Summary:: Overview of AUCTeX
* Installation:: Installing AUCTeX
* Quick Start:: Quick Start

File: auctex.info, Node: Summary, Next: Installation, Up: Introduction
1.1 Overview of AUCTeX
======================
AUCTeX is a comprehensive customizable integrated environment for
writing input files for TeX, LaTeX, ConTeXt, Texinfo, and docTeX using
Emacs.
It supports you in the insertion of macros, environments, and
sectioning commands by providing completion alternatives and prompting
for parameters. It automatically indents your text as you type it and
lets you format a whole file at once. The outlining and folding
facilities provide you with a focused and clean view of your text.
AUCTeX lets you process your source files by running TeX and related
tools (such as output filters, post processors for generating indices
and bibliographies, and viewers) from inside Emacs. AUCTeX lets you
browse through the errors TeX reported, while it moves the cursor
directly to the reported error, and displays some documentation for that
particular error. This will even work when the document is spread over
several files.
One component of AUCTeX that LaTeX users will find attractive is
preview-latex, a combination of folding and in-source previewing that
provides true "What You See Is What You Get" experience in your
sourcebuffer, while letting you retain full control.
More detailed information about the features and usage of AUCTeX can
be found in the remainder of this manual.
AUCTeX is written entirely in Emacs Lisp, and hence you can easily
add new features for your own needs. It is a GNU project and
distributed under the 'GNU General Public License Version 3'.
The most recent version is always available at
<https://ftp.gnu.org/pub/gnu/auctex/>.
WWW users may want to check out the AUCTeX page at
<https://www.gnu.org/software/auctex/>.
For comprehensive information about how to install AUCTeX *Note
Installation::, or *note Installation under MS Windows::, respectively.
If you are considering upgrading AUCTeX, the recent changes are
described in *note Changes::.
If you want to discuss AUCTeX with other users or its developers,
there are several mailing lists you can use.
Send a mail with the subject "subscribe" to <auctex-request@gnu.org>
in order to join the general discussion list for AUCTeX. Articles
should be sent to <auctex@gnu.org>. In a similar way, you can subscribe
to the <info-auctex@gnu.org> list for just getting important
announcements about AUCTeX. The list <bug-auctex@gnu.org> is for bug
reports which you should usually file with the 'M-x
TeX-submit-bug-report <RET>' command. If you want to address the
developers of AUCTeX themselves with technical issues, they can be found
on the discussion list <auctex-devel@gnu.org>.

File: auctex.info, Node: Installation, Next: Quick Start, Prev: Summary, Up: Introduction
1.2 Installing AUCTeX
=====================
The modern and strongly recommended way of installing AUCTeX is by using
the Emacs package manager integrated in Emacs 24 and greater (ELPA).
Simply do 'M-x list-packages <RET>', mark the auctex package for
installation with 'i', and hit 'x' to execute the installation
procedure. That's all.
'use-package' users can use this simple recipe in their
'user-init-file' which essentially does the same as the manual
installation explained above.
(use-package tex
:ensure auctex)
Using the ELPA version has several advantages. Besides being
platform and OS independent, you will receive intermediate bugfix
releases between major AUCTeX releases conveniently. For past ELPA
releases, see <https://elpa.gnu.org/packages/auctex.html>. Once the
installation is completed, you can skip the rest of this section and
proceed to *note Quick Start::.
The remainder of this section is about installing AUCTeX from a
release tarball or from a checkout of the AUCTeX repository.
Installing AUCTeX should be simple: merely './configure', 'make', and
'make install' for a standard site-wide installation (most other
installations can be done by specifying a '--prefix=...' option).
On many systems, this will already activate the package, making its
modes the default instead of the built-in modes of Emacs. If this is
not the case, consult *note Loading the package::. Please read through
this document fully before installing anything. The installation
procedure has changed as compared to earlier versions. Users of
MS Windows are asked to consult *Note Installation under MS Windows::.
* Menu:
* Prerequisites::
* Configure::
* Build/install and uninstall::
* Loading the package::
* Advice for package providers::
* Advice for non-privileged users::
* Installation under MS Windows::
* Customizing::

File: auctex.info, Node: Prerequisites, Next: Configure, Up: Installation
1.2.1 Prerequisites
-------------------
* GNU Emacs 25.1 or higher
Using preview-latex requires a version of Emacs compiled with image
support.
Windows
Precompiled versions are available from
<https://ftp.gnu.org/gnu/emacs/windows/>.
macOS
For an overview of precompiled versions of Emacs for macOS see
for example <https://www.emacswiki.org/emacs/EmacsForMacOS>.
GNU/Linux
Most GNU/Linux distributions nowadays provide a recent variant
of Emacs via their package repositories.
Self-compiled
Compiling Emacs yourself requires a C compiler and a number of
tools and development libraries. Details are beyond the scope
of this manual. Instructions for checking out the source code
can be found at <https://savannah.gnu.org/git/?group=emacs>.
* A working TeX installation
Well, AUCTeX would be pointless without that. Processing
documentation requires TeX, LaTeX and Texinfo during installation.
preview-latex requires Dvips or 'dvipng' for its operation in DVI
mode. The default configuration of AUCTeX is tailored for
TeX Live-based distributions, but can be adapted easily.
* A recent Ghostscript
This is needed for operation of preview-latex in both DVI and PDF
mode. Ghostscript version 7.07 or newer is required.
* GNU make
Recent AUCTeX uses GNU make specific capabilities in the Makefiles.
If your OS's default 'make' command is not GNU make, you have to
obtain it in order to build AUCTeX by yourself. GNU make is
sometimes provided under the name 'gmake' in your OS's binary
package system.
* The Texinfo package
Strictly speaking, you can get away without it if you are building
from the distribution tarball, have not modified any files and
don't need a printed version of the manual: the pregenerated info
file is included in the tarball. At least version 4.0 is required.
For some known issues with various software, see *note
(preview-latex)Known problems::.

File: auctex.info, Node: Configure, Next: Build/install and uninstall, Prev: Prerequisites, Up: Installation
1.2.2 Configure
---------------
The first step is to configure the source code, telling it where various
files will be. To do so, run
./configure OPTIONS
(Note: if you have fetched AUCTeX from Git rather than a regular
release, you will have to first follow the instructions in
'README.GIT').
On many machines, you will not need to specify any options, but if
'configure' cannot determine something on its own, you'll need to help
it out with one of these options:
'--prefix=PREFIX'
All automatic placements for package components will be chosen from
sensible existing hierarchies below this: directories like 'man',
'share' and 'bin' are supposed to be directly below PREFIX.
Only if no workable placement can be found there, in some cases an
alternative search will be made in a prefix deduced from a suitable
binary.
'/usr/local' is the default PREFIX, intended to be suitable for a
site-wide installation. If you are packaging this as an operating
system component for distribution, the setting '/usr' will probably
be the right choice. See *note Advice for package providers:: for
detail.
If you are planning to install the package as a single
non-priviledged user, you will typically set PREFIX to your home
directory. Consult *note Advice for non-privileged users:: for
addtional instructions.
'--with-emacs=/PATH/TO/EMACS'
If you are using a pretest which isn't in your 'PATH', or
'configure' is not finding the right Emacs executable, you can
specify it with this option.
'--with-lispdir=LISPDIR'
This option specifies the location of the 'site-lisp' directory
within 'load-path' under which the files will get installed (the
bulk will get installed in a subdirectory). './configure' should
figure this out by itself.
'--with-auctexstartfile=auctex.el'
'--with-previewstartfile=preview-latex.el'
This is the name of the respective startup files. If LISPDIR
contains a subdirectory 'site-start.d', the start files are placed
there, and 'site-start.el' should load them automatically. Please
be aware that you must not move the start files after installation
since other files are found _relative_ to them.
'--with-packagelispdir=auctex'
This is the directory where the bulk of the package gets located.
The startfile adds this into 'load-path'.
'--with-auto-dir=/DIR'
You can use this option to specify the directory containing
automatically generated information by 'M-x
TeX-auto-generate-global <RET>'. It is not necessary for most TeX
installs, but may be used if you don't like the directory that
configure is suggesting.
'--help'
This is not an option specific to AUCTeX. A number of standard
options to 'configure' exist, and we do not have the room to
describe them here; a short description of each is available, using
'--help'.
'--disable-preview'
This disables configuration and installation of preview-latex.
This option is not actually recommended. If your Emacs does not
support images, you should really upgrade to a newer version.
Distributors should, if possible, refrain from distributing AUCTeX
and preview-latex separately in order to avoid confusion and
upgrade hassles if users install partial packages on their own.
'--with-texmf-dir=/DIR'
'--without-texmf-dir'
This option is used for specifying a TDS-compliant directory
hierarchy. Using '--with-texmf-dir=/DIR' you can specify where the
TeX TDS directory hierarchy resides, and the TeX files will get
installed in '/DIR/tex/latex/preview/'.
If you use the '--without-texmf-dir' option, the TeX-related files
will be kept in the Emacs Lisp tree, and at runtime the 'TEXINPUTS'
environment variable will be made to point there. You can install
those files into your own TeX tree at some later time with 'M-x
preview-install-styles <RET>'.
'--with-tex-dir=/DIR'
If you want to specify an exact directory for the preview TeX
files, use '--with-tex-dir=/DIR'. In this case, the files will be
placed in '/DIR', and you'll also need the following option:
'--with-doc-dir=/DIR'
This option may be used to specify where the TeX documentation
goes. It is to be used when you are using '--with-tex-dir=/DIR',
but is normally not necessary otherwise.

File: auctex.info, Node: Build/install and uninstall, Next: Loading the package, Prev: Configure, Up: Installation
1.2.3 Build/install and uninstall
---------------------------------
Once 'configure' has been run, simply enter
make
at the prompt to byte-compile the lisp files, extract the TeX files and
build the documentation files. To install the files into the locations
chosen earlier, type
make install
You may need special privileges to install, e.g., if you are installing
into system directories.
Should you want to completely remove the installed package, in the
same directory you built AUCTeX run
make uninstall
You will need administration privileges if you installed the package
into system directories.

File: auctex.info, Node: Loading the package, Next: Advice for package providers, Prev: Build/install and uninstall, Up: Installation
1.2.4 Loading the package
-------------------------
You can detect the successful activation of AUCTeX and preview-latex in
the menus after loading a LaTeX file like 'circ.tex': AUCTeX then gives
you a 'Command' menu, and preview-latex gives you a 'Preview' menu.
With Emacs (or if you explicitly disabled use of the package system),
the startup files 'auctex.el' and 'preview-latex.el' may already be in a
directory of the 'site-start.d/' variety if your Emacs installation
provides it. In that case they should be automatically loaded on
startup and nothing else needs to be done. If not, they should at least
have been placed somewhere in your 'load-path'. You can then load them
by placing the lines
(load "auctex.el" nil t t)
(load "preview-latex.el" nil t t)
into your init file such as 'init.el' or '.emacs'.
If you explicitly used '--with-lispdir', you may need to add the
specified directory into Emacs' 'load-path' variable by adding something
like
(add-to-list 'load-path "~/elisp")
before the above lines into your Emacs startup file.
For site-wide activation in GNU Emacs, see *Note Advice for package
providers::.
Once activated, the modes provided by AUCTeX are used per default for
all supported file types. If you want to change the modes for which it
is operative instead of the default, use
M-x customize-option <RET> TeX-modes <RET>
If you want to remove a preinstalled AUCTeX completely before any of
its modes have been used,
(unload-feature 'tex-site)
should accomplish that.

File: auctex.info, Node: Advice for package providers, Next: Advice for non-privileged users, Prev: Loading the package, Up: Installation
1.2.5 Providing AUCTeX as a package
-----------------------------------
As a package provider, you should make sure that your users will be
served best according to their intentions, and keep in mind that a
system might be used by more than one user, with different preferences.
There are people that prefer the built-in Emacs modes for editing TeX
files, in particular plain TeX users. There are various ways to tell
AUCTeX even after auto-activation that it should not get used, and they
are described in *note Introduction to AUCTeX: Introduction.
So if you have users that don't want to use the preinstalled AUCTeX,
they can easily get rid of it. Activating AUCTeX by default is
therefore a good choice.
If the installation procedure did not achieve this already by placing
'auctex.el' and 'preview-latex.el' into a possibly existing
'site-start.d' directory, you can do this by placing
(load "auctex.el" nil t t)
(load "preview-latex.el" nil t t)
in the system-wide 'site-start.el'.
The '--without-texmf-dir' option can be convenient for systems that
are intended to support more than a single TeX distribution. Since more
often than not TeX packages for operating system distributions are
either much more outdated or much less complete than separately provided
systems like TeX Live, this method may be generally preferable when
providing packages.
The following package structure would be adequate for a typical fully
supported Unix-like installation:
'preview-tetex'
Style files and documentation for 'preview.sty', placed into a TeX
tree where it is accessible from the teTeX executables usually
delivered with a system. If there are other commonly used TeX
system packages, it might be appropriate to provide separate
packages for those.
'auctex-emacs-tetex'
This package will require the installation of 'preview-tetex' and
will record in 'TeX-macro-global' where to find the TeX tree. It
is also a good idea to run
emacs -batch -f TeX-auto-generate-global
when either AUCTeX or teTeX get installed or upgraded. If your
users might want to work with a different TeX distribution
(nowadays pretty common), instead consider the following:
'auctex-emacs'
This package will be compiled with '--without-texmf-dir' and will
consequently contain the 'preview' style files in its private
directory. It will probably not be possible to initialize
'TeX-macro-global' to a sensible value, so running
'TeX-auto-generate-global' does not appear useful. This package
would neither conflict with nor provide 'preview-tetex'.

File: auctex.info, Node: Advice for non-privileged users, Next: Installation under MS Windows, Prev: Advice for package providers, Up: Installation
1.2.6 Installation for non-privileged users
-------------------------------------------
Often people without system administration privileges want to install
software for their private use. In that case you need to pass more
options to the 'configure' script.
The main expedient is using the '--prefix' option to the 'configure'
script, and let it point to the personal home directory. In that way,
resulting binaries will be installed under the 'bin' subdirectory of
your home directory, manual pages under 'man' and so on. It is
reasonably easy to maintain a bunch of personal software, since the
prefix argument is supported by most 'configure' scripts.
You often need to specify '--with-lispdir' option as well. If you
haven't installed Emacs under your home directory and use Emacs
installed in system directories, the 'configure' script might not be
able to figure out suitable place to install lisp files under your home
directory. In that case, the 'configure' script would silently choose,
by default, the 'site-lisp' directory within 'load-path' for the place,
where administration privileges are usually required to put relevant
files. Thus you will have to tell the 'configure' script explicitly
where to put those files by, e.g.,
'--with-lispdir='/home/myself/share/emacs/site-lisp''.
You'll have to add something like
'/home/myself/share/emacs/site-lisp' to your 'load-path' variable, if it
isn't there already.
In addition, you will have to tell 'configure' script where to
install TeX-related files such as 'preview.sty' if preview-latex isn't
disabled. It is enough to specify '--with-texmf-dir=$HOME/texmf' for
most typical cases, but you have to create the direcotry '$HOME/texmf'
in advance if it doesn't exist. If this prescription doesn't work,
consider using one or more of the options '--with-texmf-dir=/DIR',
'--without-texmf-dir', '--with-tex-dir=/DIR' and '--with-doc-dir=/DIR'.
See *note Configure:: for detail of these options.
Now here is another thing to ponder: perhaps you want to make it easy
for other users to share parts of your personal Emacs configuration. In
general, you can do this by writing '~myself/' anywhere where you
specify paths to something installed in your personal subdirectories,
not merely '~/', since the latter, when used by other users, will point
to non-existent files.
For yourself, it will do to manipulate environment variables in your
'.profile' resp. '.login' files. But if people will be copying just
Elisp files, their copies will not work. While it would in general be
preferable if the added components where available from a shell level,
too (like when you call the standalone info reader, or try using
'preview.sty' for functionality besides of Emacs previews), it will be a
big help already if things work from inside of Emacs.
Here is how to do the various parts:
Making the Elisp available
..........................
In GNU Emacs, it should be sufficient if people just do
(load "~myself/share/emacs/site-lisp/auctex.el" nil t t)
(load "~myself/share/emacs/site-lisp/preview-latex.el" nil t t)
where the path points to your personal installation. The rest of the
package should be found relative from there without further ado.
Making the Info files available
...............................
For making the info files accessible from within Elisp, something like
the following might be convenient to add into your or other people's
startup files:
(eval-after-load 'info
'(add-to-list 'Info-directory-list "~myself/info"))
Making the LaTeX style available
................................
If you want others to be able to share your installation, you should
configure it using '--without-texmf-dir', in which case things should
work as well for them as for you.
1.2.6.1 Using AUCTeX from local Git repo
........................................
With the techniques described above, it is also possible to use AUCTeX
directly from a local Git repository. Let's assume you have your Git
repositories under '~/development/'.
First, you have to fetch a copy of the AUCTeX Git repository. In a
shell, change directory to '~/development/' and do:
git clone https://git.savannah.gnu.org/git/auctex.git
Now change directory to '~/development/auctex' and run
'./autogen.sh'. Next thing is to run 'configure' like this:
./configure --without-texmf-dir --with-lispdir=.
When finished, simply enter
make
and you're finished. Note that the 'make install' step is not
necessary.
Now you have to tell Emacs about the plan. The following variables
must be set in your init file because their normal values are only
correct when AUCTeX is installed:
(setq TeX-data-directory "~/development/auctex"
TeX-lisp-directory TeX-data-directory)
The info files will be available with this:
(eval-after-load 'info
'(add-to-list 'Info-additional-directory-list
"~/development/auctex/doc"))
Now you're ready to load 'auctex.el' and 'preview-latex.el' out of this
directory:
(load "~/development/auctex/auctex.el" nil t t)
(load "~/development/auctex/preview-latex.el" nil t t)

File: auctex.info, Node: Installation under MS Windows, Next: Customizing, Prev: Advice for non-privileged users, Up: Installation
1.2.7 Installation under MS Windows
-----------------------------------
In a Nutshell
.............
The following are brief installation instructions for the impatient. In
case you don't understand some of this, run into trouble of some sort,
or need more elaborate information, refer to the detailed instructions
further below.
1. Install the prerequisites, i.e. GNU Emacs, MSYS or Cygwin, a TeX
system, and Ghostscript.
2. Open the MSYS shell or a Cygwin shell and change to the directory
containing the unzipped file contents.
3. Configure AUCTeX:
For Emacs: Many people like to install AUCTeX into the pseudo file
system hierarchy set up by the Emacs installation. Assuming Emacs
is installed in 'C:/Program Files/Emacs' and the directory for
local additions of your TeX system, e.g. MiKTeX, is
'C:/localtexmf', you can do this by typing the following statement
at the shell prompt:
./configure --prefix='C:/Program Files/Emacs' \
--infodir='C:/Program Files/Emacs/info' \
--with-texmf-dir='C:/localtexmf'
The commands above is example for common usage. More on
configuration options can be found in the detailed installation
instructions below.
If the configuration script failed to find all required programs,
make sure that these programs are in your system path and add
directories containing the programs to the 'PATH' environment
variable if necessary. Here is how to do that in W2000/XP:
1. On the desktop, right click "My Computer" and select
properties.
2. Click on "Advanced" in the "System Properties" window.
3. Select "Environment Variables".
4. Select "path" in "System Variables" and click "edit". Move to
the front in the line (this might require scrolling) and add
the missing path including drive letter, ended with a
semicolon.
4. If there were no further error messages, type
make
In case there were, please refer to the detailed description below.
5. Finish the installation by typing
make install
Detailed Installation Instructions
..................................
Installation of AUCTeX under Windows is in itself not more complicated
than on other platforms. However, meeting the prerequisites might
require more work than on some other platforms, and feel less natural.
If you are experiencing any problems, even if you think they are of
your own making, be sure to report them to <auctex-devel@gnu.org> so
that we can explain things better in future.
Windows is a problematic platform for installation scripts. The main
problem is that the installation procedure requires consistent file
names in order to find its way in the directory hierarchy, and Windows
path names are a mess.
The installation procedure tries finding stuff in system search paths
and in Emacs paths. For that to succeed, you have to use the same
syntax and spelling and case of paths everywhere: in your system search
paths, in Emacs' 'load-path' variable, as argument to the scripts. If
your path names contain spaces or other 'shell-unfriendly' characters,
most notably backslashes for directory separators, place the whole path
in '"double quote marks"' whenever you specify it on a command line.
Avoid 'helpful' magic file names like '/cygdrive/c' and
'C:\PROGRA~1\' like the plague. It is quite unlikely that the scripts
will be able to identify the actual file names involved. Use the full
paths, making use of normal Windows drive letters like ' 'C:/Program
Files/Emacs' ' where required, and using the same combination of upper-
and lowercase letters as in the actual files. File names containing
shell-special characters like spaces or backslashes (if you prefer that
syntax) need to get properly quoted to the shell: the above example used
single quotes for that.
Ok, now here are the steps to perform:
1. You need to unpack the AUCTeX distribution (which you seemingly
have done since you are reading this). It must be unpacked in a
separate installation directory outside of your Emacs file
hierarchy: the installation will later copy all necessary files to
their final destination, and you can ultimately remove the
directory where you unpacked the files.
Line endings are a problem under Windows. The distribution
contains only text files, and theoretically most of the involved
tools should get along with that. However, the files are processed
by various utilities, and it is conceivable that not all of them
will use the same line ending conventions. If you encounter
problems, it might help if you try unpacking (or checking out) the
files in binary mode, if your tools allow that.
If you don't have a suitable unpacking tool, skip to the next step:
this should provide you with a working 'unzip' command.
2. The installation of AUCTeX will require the MSYS tool set from
<http://www.mingw.org/> or the Cygwin tool set from
<https://cygwin.com/>. The latter is slower and larger (the
download size of the base system is about 15 MB) but comes with a
package manager that allows for updating the tool set and
installing additional packages like, for example, the spell checker
aspell.
If Cygwin specific paths like '/cygdrive/c' crop up in the course
of the installation, using a non-Cygwin Emacs could conceivably
cause trouble. Using Cygwin either for everything or nothing might
save headaches, _if_ things don't work out.
3. Install a current version of Emacs from
<https://ftp.gnu.org/gnu/emacs/windows/>.
4. You need a working TeX installation. One popular installation
under Windows is MiKTeX (https://miktex.org/). Another much more
extensive system is TeX Live (https://www.tug.org/texlive/) which
is rather close to its Unix cousins.
5. A working copy of Ghostscript (https://www.ghostscript.com/) is
required for preview-latex operation. Examining the output from
gswin32c -h
on a Windows command line should tell you whether your Ghostscript
supports the 'png16m' device needed for PNG support. MiKTeX
apparently comes with its own Ghostscript called 'mgs.exe'.
6. Perl (https://www.perl.org/) is needed for rebuilding the
documentation if you are working with a copy from Git or have
touched documentation source files in the preview-latex part. If
the line endings of the file 'preview/latex/preview.dtx' don't
correspond with what Perl calls '\n' when reading text files,
you'll run into trouble.
7. Now the fun stuff starts. If you have not yet done so, unpack the
AUCTeX distribution into a separate directory after rereading the
instructions for unpacking above.
8. Ready for takeoff. Start some shell (typically 'bash') capable of
running 'configure', change into the installation directory and
call './configure' with appropriate options.
Typical options you'll want to specify will be
'--prefix=DRIVE:/PATH/TO/EMACS-HIERARCHY'
which tells 'configure' where to perform the installation. It
may also make 'configure' find Emacs automatically; if this
doesn't happen, try '--with-emacs' as described below. All
automatic detection of files and directories restricts itself
to directories below the PREFIX or in the same hierarchy as
the program accessing the files. Usually, directories like
'man', 'share' and 'bin' will be situated right under PREFIX.
This option also affects the defaults for placing the Texinfo
documentation files (see also '--infodir' below) and
automatically generated style hooks.
If you have a central directory hierarchy (not untypical with
Cygwin) for such stuff, you might want to specify its root
here. You stand a good chance that this will be the only
option you need to supply, as long as your TeX-related
executables are in your system path, which they better be for
AUCTeX's operation, anyway.
'--with-emacs'
if you are installing for a version of Emacs. You can use
'--with-emacs=DRIVE:/PATH/TO/EMACS' to specify the name of the
installed Emacs executable, complete with its path if
necessary (if Emacs is not within a directory specified in
your 'PATH' environment setting).
'--with-lispdir=DRIVE:/PATH/TO/SITE-LISP'
This option tells a place in 'load-path' below which the files
are situated. The startup files 'auctex.el' and
'preview-latex.el' will get installed here unless a
subdirectory 'site-start.d' exists which will then be used
instead. The other files from AUCTeX will be installed in a
subdirectory called 'auctex'.
If you think that you need a different setup, please refer to
the full installation instructions in *note Configure::.
'--infodir=DRIVE:/PATH/TO/INFO/DIRECTORY'
If you are installing into an Emacs directory, info files have
to be put into the 'info' folder below that directory. The
configuration script will usually try to install into the
folder 'share/info', so you have to override this by
specifying something like '--infodir='C:/Program Files/info''
for the configure call.
'--with-auto-dir=DRIVE:/DIR'
Directory containing automatically generated information. You
should not normally need to set this, as '--prefix' should
take care of this.
'--disable-preview'
Use this option if your Emacs version is unable to support
image display.
'--with-texmf-dir=DRIVE:/DIR'
This will specify the directory where your TeX installation
sits. If your TeX installation does not conform to the TDS
(TeX directory standard), you may need to specify more options
to get everything in place.
For more information about any of the above and additional options,
see *note Configure::.
Some executables might not be found in your path. That is not a
good idea, but you can get around by specifying environment
variables to 'configure':
GS="DRIVE:/PATH/TO/GSWIN32C.EXE" ./configure ...
should work for this purpose. 'gswin32c.exe' is the usual name for
the required _command line_ executable under Windows; in contrast,
'gswin32.exe' is likely to fail.
As an alternative to specifying variables for the 'configure' call
you can add directories containing the required executables to the
'PATH' variable of your Windows system. This is especially a good
idea if Emacs has trouble finding the respective programs later
during normal operation.
9. Run 'make' in the installation directory.
10. Run 'make install' in the installation directory.
11. With Emacs, activation of AUCTeX and preview-latex depends on a
working 'site-start.d' directory or similar setup, since then the
startup files 'auctex.el' and 'preview-latex.el' will have been
placed there. If this has not been done, you should be able to
load the startup files manually with
(load "auctex.el" nil t t)
(load "preview-latex.el" nil t t)
in either a site-wide 'site-start.el' or your personal startup file
(usually accessible as '~/.emacs' or '~/.emacs.d/init.el' from
within Emacs).
The default configuration of AUCTeX is probably not the best fit
for Windows systems with MiKTeX. You might want to add
(require 'tex-mik)
after loading 'auctex.el' and 'preview-latex.el' in order to get
more appropriate values for some customization options.
You can always use
M-x customize-group <RET> AUCTeX <RET>
in order to customize more stuff, or use the 'Customize' menu.
12. Load 'circ.tex' into Emacs and see if you get the 'Command' menu.
Try using it to LaTeX the file.
13. Check whether the 'Preview' menu is available in this file. Use
it to generate previews for the document.
If this barfs and tells you that image type 'png' is not supported,
you can either add PNG support to your Emacs installation or choose
another image format to be used by preview-latex.
Adding support for an image format usually involves the
installation of a library, e.g. from <http://gnuwin32.sf.net/>. If
you got your Emacs from <https://www.gnu.org/> you might want to
check its README file
(https://ftp.gnu.org/gnu/emacs/windows/README) for details.
A different image format can be chosen by setting the variable
'preview-image-type'. While it is recommended to keep the 'dvipng'
or 'png' setting, you can temporarily select a different format
like 'pnm' to check if the lack of PNG support is the only problem
with your Emacs installation.
Try adding the line
(setq preview-image-type 'pnm)
to your init file for a quick test. You should remove the line
after the test again, because PNM files take away *vast* amounts of
disk space, and thus also of load/save time.
Well, that about is all. Have fun!

File: auctex.info, Node: Customizing, Prev: Installation under MS Windows, Up: Installation
1.2.8 Customizing
-----------------
Most of the site-specific customization should already have happened
during configuration of AUCTeX. Any further customization can be done
with customization buffers directly in Emacs. Just type 'M-x
customize-group <RET> AUCTeX <RET>' to open the customization group for
AUCTeX or use the menu entries provided in the mode menus. Editing the
file 'tex-site.el' as suggested in former versions of AUCTeX should not
be done anymore because the installation routine will overwrite those
changes.
You might check some options with a special significance. They are
accessible directly by typing 'M-x customize-option <RET> <option>
<RET>'.
-- User Option: TeX-macro-global
Directories containing the site's TeX style files.
Normally, AUCTeX will only allow you to complete macros and
environments which are built-in, specified in AUCTeX style files or
defined by yourself. If you issue the 'M-x TeX-auto-generate-global'
command after loading AUCTeX, you will be able to complete on all macros
available in the standard style files used by your document. To do
this, you must set this variable to a list of directories where the
standard style files are located. The directories will be searched
recursively, so there is no reason to list subdirectories explicitly.
Automatic configuration will already have set the variable for you if it
could use the program 'kpsewhich'. In this case you normally don't have
to alter anything.

File: auctex.info, Node: Quick Start, Prev: Installation, Up: Introduction
1.3 Quick Start
===============
AUCTeX is a powerful program offering many features and configuration
options. If you are new to AUCTeX this might be deterrent. Fortunately
you do not have to learn everything at once. This Quick Start Guide
will give you the knowledge of the most important commands and enable
you to prepare your first LaTeX document with AUCTeX after only a few
minutes of reading.
In this introduction, we assume that AUCTeX is already installed on
your system. If this is not the case, you should read the file
'INSTALL' in the base directory of the unpacked distribution tarball.
These installation instructions are available in this manual as well,
*note Installation::. We also assume that you are familiar with the way
keystrokes are written in Emacs manuals. If not, have a look at the
Emacs Tutorial in the Help menu.
If AUCTeX is installed in any other way than from the Emacs package
manager (ELPA), you might still need to activate it, by inserting
(load "auctex.el" nil t t)
in your user init file.(1)
If AUCTeX is installed from ELPA, the installation procedure already
cares about loading AUCTeX correctly and you *must not* have the line
above in your init file. Note that this also applies if you have the
following line in your init file
(package-initialize)
In order to get support for many of the LaTeX packages you will use
in your documents, you should enable document parsing as well, which can
be achieved by putting
(setq TeX-auto-save t)
(setq TeX-parse-self t)
into your init file. Finally, if you often use '\include' or '\input',
you should make AUCTeX aware of the multifile document structure. You
can do this by inserting
(setq-default TeX-master nil)
into your init file. Each time you open a new file, AUCTeX will then
ask you for a master file.
* Menu:
* Editing Facilities:: Functions for editing TeX files
* Processing Facilities:: Creating and viewing output, debugging
---------- Footnotes ----------
(1) This usually is a file in your home directory called '.emacs', or
'.emacs.d/init.el'.

File: auctex.info, Node: Editing Facilities, Next: Processing Facilities, Up: Quick Start
1.3.1 Functions for editing TeX files
-------------------------------------
1.3.1.1 Making your TeX code more readable
..........................................
AUCTeX can do syntax highlighting of your source code, that means
commands will get special colors or fonts. This is enabled by default.
You can disable it locally by typing 'M-x font-lock-mode <RET>'.
AUCTeX will indent new lines to indicate their syntactical
relationship to the surrounding text. For example, the text of a
'\footnote' or text inside of an environment will be indented relative
to the text around it. If the indenting has gotten wrong after adding
or deleting some characters, use <TAB> to reindent the line, 'M-q' for
the whole paragraph, or 'M-x LaTeX-fill-buffer <RET>' for the whole
buffer.
1.3.1.2 Entering sectioning commands
....................................
Insertion of sectioning macros, that is '\chapter', '\section',
'\subsection', etc. and accompanying '\label' commands may be eased by
using 'C-c C-s'. You will be asked for the section level. As nearly
everywhere in AUCTeX, you can use the <TAB> or <SPC> key to get a list
of available level names, and to auto-complete what you started typing.
Next, you will be asked for the printed title of the section, and last
you will be asked for a label to be associated with the section.
1.3.1.3 Inserting environments
..............................
Similarly, you can insert environments, that is '\begin{}'-'\end{}'
pairs: Type 'C-c C-e', and select an environment type. Again, you can
use <TAB> or <SPC> to get a list, and to complete what you type.
Actually, the list will not only provide standard LaTeX environments,
but also take your '\documentclass' and '\usepackage' commands into
account if you have parsing enabled by setting 'TeX-parse-self' to 't'.
If you use a couple of environments frequently, you can use the <up> and
<down> arrow keys (or 'M-p' and 'M-n') in the minibuffer to get back to
the previously inserted commands.
Some environments need additional arguments. Often, AUCTeX knows
about this and asks you to enter a value.
1.3.1.4 Inserting macros
........................
'C-c C-m', or simply 'C-c RET' will give you a prompt that asks you for
a LaTeX macro. You can use <TAB> for completion, or the <up>/<down>
arrow keys (or 'M-p' and 'M-n') to browse the command history. In many
cases, AUCTeX knows which arguments a macro needs and will ask you for
that. It even can differentiate between mandatory and optional
arguments--for details, see *note Completion::.
An additional help for inserting macros is provided by the
possibility to complete macros right in the buffer. With point at the
end of a partially written macro, you can complete it by typing
'M-<TAB>'.
1.3.1.5 Changing the font
.........................
AUCTeX provides convenient keyboard shortcuts for inserting macros which
specify the font to be used for typesetting certain parts of the text.
They start with 'C-c C-f', and the last 'C-' combination tells AUCTeX
which font you want:
'C-c C-f C-b'
Insert bold face '\textbf{-!-}' text.
'C-c C-f C-i'
Insert italics '\textit{-!-}' text.
'C-c C-f C-e'
Insert _emphasized_ '\emph{-!-}' text.
'C-c C-f C-s'
Insert slanted '\textsl{-!-}' text.
'C-c C-f C-r'
Insert roman '\textrm{-!-}' text.
'C-c C-f C-f'
Insert sans serif '\textsf{-!-}' text.
'C-c C-f C-t'
Insert typewriter '\texttt{-!-}' text.
'C-c C-f C-c'
Insert SMALL CAPS '\textsc{-!-}' text.
'C-c C-f C-d'
Delete the innermost font specification containing point.
If you want to change font attributes of existing text, mark it as an
active region, and then invoke the commands. If no region is selected,
the command will be inserted with empty braces, and you can start typing
the changed text.
Most of those commands will also work in math mode, but then macros
like '\mathbf' will be inserted.
1.3.1.6 Other useful features
.............................
AUCTeX also tries to help you when inserting the right "quote" signs for
your language, dollar signs to typeset math, or pairs of braces. It
offers shortcuts for commenting out text ('C-c ;' for the current region
or 'C-c %' for the paragraph you are in). The same keystrokes will
remove the % signs, if the region or paragraph is commented out yet.
With 'TeX-fold-mode', you can hide certain parts (like footnotes,
references etc.) that you do not edit currently. Support for Emacs'
outline mode is provided as well. And there's more, but this is beyond
the scope of this Quick Start Guide.

File: auctex.info, Node: Processing Facilities, Prev: Editing Facilities, Up: Quick Start
1.3.2 Creating and viewing output, debugging
--------------------------------------------
1.3.2.1 One Command for LaTeX, helpers, viewers, and printing
.............................................................
If you have typed some text and want to run LaTeX (or TeX, or other
programs--see below) on it, type 'C-c C-c'. If applicable, you will be
asked whether you want to save changes, and which program you want to
invoke. In many cases, the choice that AUCTeX suggests will be just
what you want: first 'latex', then a viewer. If a 'latex' run produces
or changes input files for 'makeindex', the next suggestion will be to
run that program, and AUCTeX knows that you need to run 'latex' again
afterwards--the same holds for BibTeX.
When no processor invocation is necessary anymore, AUCTeX will
suggest to run a viewer, or you can chose to create a PostScript file
using 'dvips', or to directly print it.
Actually, there is another command which comes in handy to compile
documents: type 'C-c C-a' ('TeX-command-run-all') and AUCTeX will
compile the document for you until it is ready and then run the viewer.
This is the same as issuing repeatedly 'C-c C-c' and letting AUCTeX
guess the next command to run.
At this place, a warning needs to be given: First, although AUCTeX is
really good in detecting the standard situations when an additional
'latex' run is necessary, it cannot detect it always. Second, the
creation of PostScript files or direct printing currently only works
when your output file is a DVI file, not a PDF file.
Ah, you didn't know you can do both? That brings us to the next
topic.
1.3.2.2 Choosing an output format
.................................
From a LaTeX file, you can produce DVI output, or a PDF file directly
via 'pdflatex'. You can switch on source specials for easier navigation
in the output file, or tell 'latex' to stop after an error (usually
'--noninteractive' is used, to allow you to detect all errors in a
single run).
These options are controlled by toggles, the keystrokes should be
easy to memorize:
'C-c C-t C-p'
This command toggles between DVI and PDF output
'C-c C-t C-i'
toggles interactive mode
'C-c C-t C-s'
toggles SyncTeX (or source specials) support
'C-c C-t C-o'
toggles usage of Omega/lambda.
There is also another possibility: compile the document with 'tex'
(or 'latex') and then convert the resulting DVI file to PDF using
'dvips'-'ps2pdf' sequence or 'dvipdfmx' command. If you want to go by
this route, customize 'TeX-PDF-from-DVI' option. Then AUCTeX will
suggest you to run the appropriate command when you type 'C-C C-c'. For
details, see *note Processor Options::.
1.3.2.3 Debugging LaTeX
.......................
When AUCTeX runs a program, it creates an output buffer in which it
displays the output of the command. If there is a syntactical error in
your file, 'latex' will not complete successfully. AUCTeX will tell you
that, and you can get to the place where the first error occured by
pressing 'C-c `' (the last character is a backtick). The view will be
split in two windows, the output will be displayed in the lower buffer,
and both buffers will be centered around the place where the error
ocurred. You can then try to fix it in the document buffer, and use the
same keystrokes to get to the next error. This procedure may be
repeated until all errors have been dealt with. By pressing 'C-c C-w'
('TeX-toggle-debug-boxes') you can toggle whether AUCTeX should notify
you of overfull and underfull boxes in addition to regular errors.
Issue 'M-x TeX-error-overview <RET>' to see a nicely formatted list
of all errors and warnings reported by the compiler.
If a command got stuck in a seemingly infinite loop, or you want to
stop execution for other reasons, you can use 'C-c C-k' (for "kill").
Similar to 'C-l', which centers the buffer you are in around your
current position, 'C-c C-l' centers the output buffer so that the last
lines added at the bottom become visible.
1.3.2.4 Running LaTeX on parts of your document
...............................................
If you want to check how some part of your text looks like, and do not
want to wait until the whole document has been typeset, then mark it as
a region and use 'C-c C-r'. It behaves just like 'C-c C-c', but it only
uses the document preamble and the region you marked.
If you are using '\include' or '\input' to structure your document,
try 'C-c C-b' while you are editing one of the included files. It will
run 'latex' only on the current buffer, using the preamble from the
master file.

File: auctex.info, Node: Editing, Next: Display, Prev: Introduction, Up: Top
2 Editing the Document Source
*****************************
The most commonly used commands/macros of AUCTeX are those which simply
insert templates for often used TeX, LaTeX, or ConTeXt constructs, like
font changes, handling of environments, etc. These features are very
simple, and easy to learn, and help you avoid mistakes like mismatched
braces, or '\begin{}'-'\end{}' pairs.
Apart from that this chapter contains a description of some features
for entering more specialized sorts of text, for formatting the source
by indenting and filling and for navigating through the document.
* Menu:
* Quotes:: Inserting quotes, dollars, and braces
* Font Specifiers:: Inserting Font Specifiers
* Sectioning:: Inserting chapters, sections, etc.
* Environments:: Inserting Environment Templates
* Mathematics:: Entering Mathematics
* Completion:: Completion of macros
* Marking:: Marking Environments, Sections, or Texinfo Nodes
* Commenting:: Commenting text
* Indenting:: Reflecting syntactic constructs with whitespace
* Filling:: Automatic and manual line breaking

File: auctex.info, Node: Quotes, Next: Font Specifiers, Up: Editing
2.1 Insertion of Quotes, Dollars, and Braces
============================================
Quotation Marks
---------------
In TeX, literal double quotes '"like this"' are seldom used, instead two
single quotes are used '``like this'''. To help you insert these
efficiently, AUCTeX allows you to continue to press '"' to insert two
single quotes. To get a literal double quote, press '"' twice.
-- Command: TeX-insert-quote COUNT
('"') Insert the appropriate quote marks for TeX.
Inserts the value of 'TeX-open-quote' (normally '``') or
'TeX-close-quote' (normally '''') depending on the context. With
prefix argument, always inserts '"' characters.
-- User Option: TeX-open-quote
String inserted by typing '"' to open a quotation. (*Note
European::, for language-specific quotation mark insertion.)
-- User Option: TeX-close-quote
String inserted by typing '"' to close a quotation. (*Note
European::, for language-specific quotation mark insertion.)
-- User Option: TeX-quote-after-quote
Determines the behavior of '"'. If it is non-nil, typing '"' will
insert a literal double quote. The respective values of
'TeX-open-quote' and 'TeX-close-quote' will be inserted after
typing '"' once again.
The 'babel' package provides special support for the requirements of
typesetting quotation marks in many different languages. If you use
this package, either directly or by loading a language-specific style
file, you should also use the special commands for quote insertion
instead of the standard quotes shown above. AUCTeX is able to recognize
several of these languages and will change quote insertion accordingly.
*Note European::, for details about this feature and how to control it.
In case you are using the 'csquotes' package, you should customize
'LaTeX-csquotes-open-quote', 'LaTeX-csquotes-close-quote' and
'LaTeX-csquotes-quote-after-quote'. The quotation characters will only
be used if both variables--'LaTeX-csquotes-open-quote' and
'LaTeX-csquotes-close-quote'--are non-empty strings. But then the
'csquotes'-related values will take precedence over the
language-specific ones.
Dollar Signs
------------
In AUCTeX, dollar signs should match like they do in TeX. This has been
partially implemented, we assume dollar signs always match within a
paragraph. By default, the first '$' you insert in a paragraph will do
nothing special. The second '$' will match the first. This will be
indicated by moving the cursor temporarily over the first dollar sign.
-- Command: TeX-insert-dollar ARG
('$') Insert dollar sign.
Show matching dollar sign if this dollar sign end the TeX math
mode.
With optional ARG, insert that many dollar signs.
TeX and LaTeX users often look for a way to insert inline equations
like '$...$' or '\(...\)' simply typing '$'. AUCTeX helps them through
the customizable variable 'TeX-electric-math'.
-- User Option: TeX-electric-math
If the variable is non-nil and you type '$' outside math mode,
AUCTeX will automatically insert the opening and closing symbols
for an inline equation and put the point between them. The opening
symbol will blink when 'blink-matching-paren' is non-nil. If
'TeX-electric-math' is nil, typing '$' simply inserts '$' at point,
this is the default.
Besides 'nil', possible values for this variable are '(cons "$"
"$")' for TeX inline equations '$...$', and '(cons "\\(" "\\)")'
for LaTeX inline equations '\(...\)'.
If the variable is non-nil and point is inside math mode right
between a couple of single dollars, pressing '$' will insert
another pair of dollar signs and leave the point between them.
Thus, if 'TeX-electric-math' is set to '(cons "$" "$")' you can
easily obtain a TeX display equation '$$...$$' by pressing '$'
twice in a row. (Note that you should not use double dollar signs
in LaTeX because this practice can lead to wrong spacing in typeset
documents.)
In addition, when the variable is non-nil and there is an active
region outside math mode, typing '$' will put around the active
region symbols for opening and closing inline equation and keep the
region active, leaving point after the closing symbol. By pressing
repeatedly '$' while the region is active you can toggle between an
inline equation, a display equation, and no equation. To be
precise, '$...$' is replaced by '$$...$$', whereas '\(...\)' is
replaced by '\[...\]'.
If you want to automatically insert '$...$' in plain TeX files, and
'\(...\)' in LaTeX files by pressing '$', add the following to your init
file
(add-hook 'plain-TeX-mode-hook
(lambda () (set (make-local-variable 'TeX-electric-math)
(cons "$" "$"))))
(add-hook 'LaTeX-mode-hook
(lambda () (set (make-local-variable 'TeX-electric-math)
(cons "\\(" "\\)"))))
Note that Texinfo mode does nothing special for '$'. It inserts
dollar sign(s) just in the same way as the other normal keys do.
Braces
------
To avoid unbalanced braces, it is useful to insert them pairwise. You
can do this by typing 'C-c {'.
-- Command: TeX-insert-braces
('C-c {') Make a pair of braces and position the cursor to type
inside of them. If there is an active region, put braces around it
and leave point after the closing brace.
When writing complex math formulas in LaTeX documents, you sometimes
need to adjust the size of braces with pairs of macros like
'\left'-'\right', '\bigl'-'\bigr' and so on. You can avoid unbalanced
pairs with the help of 'TeX-insert-macro', bound to 'C-c C-m' or 'C-c
<RET>' (*note Completion::). If you insert left size adjusting macros
such as '\left', '\bigl' etc. with 'TeX-insert-macro', it asks for left
brace to use and supplies automatically right size adjusting macros such
as '\right', '\bigr' etc. and corresponding right brace in addtion to
the intended left macro and left brace.
The completion by 'TeX-insert-macro' also applies when entering
macros such as '\langle', '\lfloor' and '\lceil', which produce the left
part of the paired braces. For example, inserting '\lfloor' by 'C-c
C-m' is immediately followed by the insertion of '\rfloor'. In
addition, if the point was located just after '\left' or its friends,
the corresponding '\right' etc. will be inserted in front of '\rfloor'.
In both cases, active region is honored.
As a side effect, when 'LaTeX-math-mode' (*note Mathematics::) is on,
just typing '`(' inserts not only '\langle', but also '\rangle'.
If you do not like such auto completion at all, it can be disabled by
a user option.
-- User Option: TeX-arg-right-insert-p
If this option is turned off, the automatic supply of the right
macros and braces is suppressed.
When you edit LaTeX documents, you can enable automatic brace pairing
when typing '(', '{' and '['.
-- User Option: LaTeX-electric-left-right-brace
If this option is on, just typing '(', '{' or '[' immediately adds
the corresponding right brace ')', '}' or ']'. The point is left
after the opening brace. If there is an active region, braces are
put around it.
They recognize the preceding backslash or size adjusting macros
such as '\left', '\bigl' etc., so the following completions will
occur:
* (when typing single left brace)
- '(' -> '()'
- '{' -> '{}'
- '[' -> '[]'
* (when typing left brace just after a backslash)
- '\(' -> '\(\)'
- '\{' -> '\{\}'
- '\[' -> '\[\]'
* (when typing just after '\left' or '\bigl')
- '\left(' -> '\left(\right)'
- '\bigl[' -> '\bigl[\bigr]'
* (when typing just after '\Bigl\')
- '\Bigl\{' -> '\Bigl\{\Bigr\}'
This auto completion feature may be a bit annoying when editing an
already existing LaTeX document. In that case, use 'C-u 1' or
'C-q' before typing '(', '{' or '['. Then no completion is done
and just a single left brace is inserted. In fact, with optional
prefix ARG, just that many open braces are inserted without any
completion.

File: auctex.info, Node: Font Specifiers, Next: Sectioning, Prev: Quotes, Up: Editing
2.2 Inserting Font Specifiers
=============================
Perhaps the most used keyboard commands of AUCTeX are the short-cuts
available for easy insertion of font changing macros.
If you give an argument (that is, type 'C-u') to the font command,
the innermost font will be replaced, i.e. the font in the TeX group
around point will be changed. The following table shows the available
commands, with '-!-' indicating the position where the text will be
inserted.
'C-c C-f C-b'
Insert bold face '\textbf{-!-}' text.
'C-c C-f C-m'
Insert medium face '\textmd{-!-}' text.
'C-c C-f C-i'
Insert italics '\textit{-!-}' text.
'C-c C-f C-e'
Insert _emphasized_ '\emph{-!-}' text.
'C-c C-f C-s'
Insert slanted '\textsl{-!-}' text.
'C-c C-f C-r'
Insert roman '\textrm{-!-}' text.
'C-c C-f C-f'
Insert sans serif '\textsf{-!-}' text.
'C-c C-f C-t'
Insert typewriter '\texttt{-!-}' text.
'C-c C-f C-c'
Insert SMALL CAPS '\textsc{-!-}' text.
'C-c C-f C-l'
Insert upper lower case '\textulc{-!-}' text.
'C-c C-f C-w'
Insert SWASH '\textsw{-!-}' text.
'C-c C-f C-n'
Insert normal '\textnormal{-!-}' text.
'C-c C-f C-d'
Delete the innermost font specification containing point.
-- Command: TeX-font REPLACE WHAT
('C-c C-f') Insert template for font change command.
If REPLACE is not nil, replace current font. WHAT determines the
font to use, as specified by 'TeX-font-list'.
-- User Option: TeX-font-list
List of fonts used by 'TeX-font'.
Each entry is a list with three elements. The first element is the
key to activate the font. The second element is the string to
insert before point, and the third element is the string to insert
after point. An optional fourth element means always replace if
not nil.
-- User Option: LaTeX-font-list
List of fonts used by 'TeX-font' in LaTeX mode. It has the same
structure as 'TeX-font-list'.

File: auctex.info, Node: Sectioning, Next: Environments, Prev: Font Specifiers, Up: Editing
2.3 Inserting chapters, sections, etc.
======================================
Insertion of sectioning macros, that is '\chapter', '\section',
'\subsection', etc. and accompanying '\label''s may be eased by using
'C-c C-s'. This command is highly customizable, the following describes
the default behavior.
When invoking you will be asked for a section macro to insert. An
appropriate default is automatically selected by AUCTeX, that is either:
at the top of the document; the top level sectioning for that document
style, and any other place: The same as the last occurring sectioning
command.
Next, you will be asked for the actual name of that section, and last
you will be asked for a label to be associated with that section. The
label will be prefixed by the value specified in 'LaTeX-section-hook'.
-- Command: LaTeX-section ARG
('C-c C-s') Insert a sectioning command.
Determine the type of section to be inserted, by the argument ARG.
* If ARG is nil or missing, use the current level.
* If ARG is a list (selected by C-u), go downward one level.
* If ARG is negative, go up that many levels.
* If ARG is positive or zero, use absolute level:
+ 0 : part
+ 1 : chapter
+ 2 : section
+ 3 : subsection
+ 4 : subsubsection
+ 5 : paragraph
+ 6 : subparagraph
The following variables can be set to customize the function.
'LaTeX-section-hook'
Hooks to be run when inserting a section.
'LaTeX-section-label'
Prefix to all section references.
The precise behavior of 'LaTeX-section' is defined by the contents of
'LaTeX-section-hook'.
-- User Option: LaTeX-section-hook
List of hooks to run when a new section is inserted.
The following variables are set before the hooks are run
'LaTeX-level'
Numeric section level, default set by prefix arg to
'LaTeX-section'.
'LaTeX-name'
Name of the sectioning command, derived from 'LaTeX-level'.
'LaTeX-title'
The title of the section, default to an empty string.
'LaTeX-toc'
Entry for the table of contents list, default nil.
'LaTeX-done-mark'
Position of point afterwards, default nil meaning after the
inserted text.
A number of hooks are already defined. Most likely, you will be
able to get the desired functionality by choosing from these hooks.
'LaTeX-section-heading'
Query the user about the name of the sectioning command.
Modifies 'LaTeX-level' and 'LaTeX-name'.
'LaTeX-section-title'
Query the user about the title of the section. Modifies
'LaTeX-title'.
'LaTeX-section-toc'
Query the user for the toc entry. Modifies 'LaTeX-toc'.
'LaTeX-section-section'
Insert LaTeX section command according to 'LaTeX-name',
'LaTeX-title', and 'LaTeX-toc'. If 'LaTeX-toc' is nil, no toc
entry is inserted. If 'LaTeX-toc' or 'LaTeX-title' are empty
strings, 'LaTeX-done-mark' will be placed at the point they
should be inserted.
'LaTeX-section-label'
Insert a label after the section command. Controlled by the
variable 'LaTeX-section-label'.
To get a full featured 'LaTeX-section' command, insert
(setq LaTeX-section-hook
'(LaTeX-section-heading
LaTeX-section-title
LaTeX-section-toc
LaTeX-section-section
LaTeX-section-label))
in your init file such as 'init.el' or '.emacs'.
The behavior of 'LaTeX-section-label' is determined by the variable
'LaTeX-section-label'.
-- User Option: LaTeX-section-label
Default prefix when asking for a label.
If it is a string, it is used unchanged for all kinds of sections.
If it is nil, no label is inserted. If it is a list, the list is
searched for a member whose car is equal to the name of the
sectioning command being inserted. The cdr is then used as the
prefix. If the name is not found, or if the cdr is nil, no label
is inserted.
By default, chapters have a prefix of 'cha:' while sections and
subsections have a prefix of 'sec:'. Labels are not automatically
inserted for other types of sections.

File: auctex.info, Node: Environments, Next: Mathematics, Prev: Sectioning, Up: Editing
2.4 Inserting Environment Templates
===================================
A large apparatus is available that supports insertions of environments,
that is '\begin{}' -- '\end{}' pairs.
AUCTeX is aware of most of the actual environments available in a
specific document. This is achieved by examining your '\documentclass'
command, and consulting a precompiled list of environments available in
a large number of styles.
Most of these are described further in the following sections, and
you may easily specify more. *Note Customizing Environments::.
You insert an environment with 'C-c C-e', and select an environment
type. Depending on the environment, AUCTeX may ask more questions about
the optional parts of the selected environment type. With 'C-u C-c C-e'
you will change the current environment.
-- Command: LaTeX-environment ARG
('C-c C-e') AUCTeX will prompt you for an environment to insert.
At this prompt, you may press <TAB> or <SPC> to complete a
partially written name, and/or to get a list of available
environments. After selection of a specific environment AUCTeX may
prompt you for further specifications.
If the optional argument ARG is non-nil (i.e. you have given a
prefix argument), the current environment is modified and no new
environment is inserted.
AUCTeX helps you adding labels to environments which use them, such
as 'equation', 'figure', 'table', etc... When you insert one of the
supported environments with 'C-c C-e', you will be automatically
prompted for a label. You can select the prefix to be used for such
environments with the 'LaTeX-label-alist' variable.
-- User Option: LaTeX-label-alist
List the prefixes to be used for the label of each supported
environment.
This is an alist whose car is the environment name, and the cdr
either the prefix or a symbol referring to one.
If the name is not found, or if the cdr is nil, no label is
automatically inserted for that environment.
If you want to automatically insert a label for a environment but
with an empty prefix, use the empty string '""' as the cdr of the
corresponding entry.
As a default selection, AUCTeX will suggest the environment last
inserted or, as the first choice the value of the variable
'LaTeX-default-environment'.
-- User Option: LaTeX-default-environment
Default environment to insert when invoking 'LaTeX-environment'
first time. When the current environment is 'document', it is
overriden by 'LaTeX-default-document-environment'.
-- Variable: LaTeX-default-document-environment
Default environment when invoking 'LaTeX-environment' and the
current environment is 'document'. It is intended to be used in
LaTeX class style files. For example, in 'beamer.el' it is set to
'frame', in 'letter.el' to 'letter', and in 'slides.el' to 'slide'.
If the document is empty, or the cursor is placed at the top of the
document, AUCTeX will default to insert a 'document' environment
prompting also for the insertion of '\documentclass' and '\usepackage'
macros. You will be prompted for a new package until you enter nothing.
If you do not want to insert any '\usepackage' at all, just press <RET>
at the first 'Packages' prompt.
AUCTeX distinguishes normal and expert environments. By default, it
will offer completion only for normal environments. This behavior is
controlled by the user option 'TeX-complete-expert-commands'.
-- User Option: TeX-complete-expert-commands
Complete macros and environments marked as expert commands.
Possible values are nil, t, or a list of style names.
nil
Don't complete expert commands (default).
t
Always complete expert commands.
(STYLES ...)
Only complete expert commands of STYLES.
* Menu:
* Equations:: Equations
* Floats:: Floats
* Itemize-like:: Itemize-like Environments
* Tabular-like:: Tabular-like Environments
* Customizing Environments:: Customizing Environments
You can close the current environment with 'C-c ]', but we suggest
that you use 'C-c C-e' to insert complete environments instead.
-- Command: LaTeX-close-environment
('C-c ]') Insert an '\end' that matches the current environment.
AUCTeX offers keyboard shortcuts for moving point to the beginning
and to the end of the current environment.
-- Command: LaTeX-find-matching-begin
('C-M-a') Move point to the '\begin' of the current environment.
If this command is called inside a comment and
'LaTeX-syntactic-comments' is enabled, try to find the environment
in commented regions with the same comment prefix.
The key bind 'C-M-a' actually calls 'beginning-of-defun', which in
turn calls 'LaTeX-find-matching-begin'.
-- Command: LaTeX-find-matching-end
('C-M-e') Move point to the '\end' of the current environment.
If this command is called inside a comment and
'LaTeX-syntactic-comments' is enabled, try to find the environment
in commented regions with the same comment prefix.
The key bind 'C-M-e' actually calls 'end-of-defun', which in turn
calls 'LaTeX-find-matching-end'.

File: auctex.info, Node: Equations, Next: Floats, Up: Environments
2.4.1 Equations
---------------
When inserting equation-like environments, the '\label' will have a
default prefix, which is controlled by the following variables:
-- User Option: LaTeX-equation-label
Prefix to use for 'equation' labels.
-- User Option: LaTeX-eqnarray-label
Prefix to use for 'eqnarray' labels.
-- User Option: LaTeX-amsmath-label
Prefix to use for amsmath equation labels. Amsmath equations
include 'align', 'alignat', 'xalignat', 'multline', 'flalign' and
'gather'.

File: auctex.info, Node: Floats, Next: Itemize-like, Prev: Equations, Up: Environments
2.4.2 Floats
------------
Figures and tables (i.e., floats) may also be inserted using AUCTeX.
After choosing either 'figure' or 'table' in the environment list
described above, you will be prompted for a number of additional things.
FLOAT POSITION
This is the optional argument of float environments that controls
how they are placed in the final document. In LaTeX this is a
sequence of the letters 'htbp' as described in the LaTeX manual.
The value will default to the value of 'LaTeX-float'.
CAPTION
This is the caption of the float. The default is to insert the
caption at the bottom of the float. You can specify floats where
the caption should be placed at the top with
'LaTeX-top-caption-list'.
SHORT CAPTION
If the specified caption is greater than a specific length, then a
short caption is prompted for and it is inserted as an optional
argument to the '\caption' macro. The length that a caption needs
to be before prompting for a short version is controlled by
'LaTeX-short-caption-prompt-length'.
LABEL
The label of this float. The label will have a default prefix,
which is controlled by the variables 'LaTeX-figure-label' and
'LaTeX-table-label'.
Moreover, you will be asked if you want the contents of the float
environment to be horizontally centered. Upon a positive answer a
'\centering' macro will be inserted at the beginning of the float
environment.
-- User Option: LaTeX-float
Default placement for floats.
-- User Option: LaTeX-figure-label
Prefix to use for figure labels.
-- User Option: LaTeX-table-label
Prefix to use for table labels.
-- User Option: LaTeX-top-caption-list
List of float environments with top caption.
-- User Option: LaTeX-short-caption-prompt-length
Number of chars a caption should be before prompting for a short
caption.

File: auctex.info, Node: Itemize-like, Next: Tabular-like, Prev: Floats, Up: Environments
2.4.3 Itemize-like Environments
-------------------------------
In an itemize-like environment, nodes (i.e., '\item's) may be inserted
using 'C-c <LFD>' or 'M-<RET>'. The latter is only defined as an alias
if the key binding is still available.
-- Command: LaTeX-insert-item
('C-c <LFD>' or 'M-<RET>') Close the current item, move to the next
line and insert an appropriate '\item' for the current environment.
That is, 'itemize' and 'enumerate' will have '\item ' inserted,
while 'description' will have '\item[] ' inserted.
-- User Option: TeX-arg-item-label-p
If non-nil, you will always be asked for optional label in items.
Otherwise, you will be asked only in description environments.

File: auctex.info, Node: Tabular-like, Next: Customizing Environments, Prev: Itemize-like, Up: Environments
2.4.4 Tabular-like Environments
-------------------------------
When inserting Tabular-like environments, that is, 'tabular' 'array'
etc., you will be prompted for a template for that environment. Related
variables:
-- User Option: LaTeX-default-format
Default format string for array and tabular environments.
-- User Option: LaTeX-default-width
Default width for minipage and tabular* environments.
-- User Option: LaTeX-default-position
Default position string for array and tabular environments. If
nil, act like the empty string is given, but don't prompt for a
position.
AUCTeX calculates the number of columns from the format string and
inserts the suitable number of ampersands.
You can use 'C-c <LFD>' or 'M-<RET>' ('LaTeX-insert-item') to
terminate rows in these environments. It supplies line break macro '\\'
and inserts the suitable number of ampersands on the next line. AUCTeX
also supports the '*{num}{cols}' notation (which may contain another
'*'-expression) in the format string when calculating the number of
ampersands. Please note that 'num' and 'cols' must be enclosed in
braces; expressions like '*2l' are not recognized correctly by the
algorithm.
-- Command: LaTeX-insert-item
('C-c <LFD>' or 'M-<RET>') Close the current row with '\\', move to
the next line and insert an appropriate number of ampersands for
the current environment.
Similar supports are provided for various amsmath environments such
as 'align', 'gather', 'alignat', 'matrix' etc. Try typing 'C-c <LFD>'
or 'M-<RET>' in these environments. It recognizes the current
environment and does the appropriate job depending on the context.

File: auctex.info, Node: Customizing Environments, Prev: Tabular-like, Up: Environments
2.4.5 Customizing Environments
------------------------------
*Note Adding Environments::, for how to customize the list of known
environments.

File: auctex.info, Node: Mathematics, Next: Completion, Prev: Environments, Up: Editing
2.5 Entering Mathematics
========================
TeX is written by a mathematician, and has always contained good support
for formatting mathematical text. AUCTeX supports this tradition, by
offering a special minor mode for entering text with many mathematical
symbols. You can enter this mode by typing 'C-c ~'.
-- Command: LaTeX-math-mode
('C-c ~') Toggle LaTeX Math mode. This is a minor mode rebinding
the key 'LaTeX-math-abbrev-prefix' to allow easy typing of
mathematical symbols. '`' will read a character from the keyboard,
and insert the symbol as specified in 'LaTeX-math-default' and
'LaTeX-math-list'. If given a prefix argument, the symbol will be
surrounded by dollar signs.
You can use another prefix key (instead of '`') by setting the
variable 'LaTeX-math-abbrev-prefix'.
To enable LaTeX Math mode by default, add the following in your init
file such as 'init.el' or '.emacs':
(add-hook 'LaTeX-mode-hook #'LaTeX-math-mode)
-- User Option: LaTeX-math-abbrev-prefix
A string containing the prefix of 'LaTeX-math-mode' commands; This
value defaults to '`'.
The string has to be a key or key sequence in a format understood
by the 'kbd' macro. This corresponds to the syntax usually used in
the manuals for Emacs Lisp.
The variable 'LaTeX-math-list' allows you to add your own mappings.
-- User Option: LaTeX-math-list
A list containing user-defined keys and commands to be used in
LaTeX Math mode. Each entry should be a list of two to four
elements.
First, the key to be used after 'LaTeX-math-abbrev-prefix' for
macro insertion. The key can be a character (e.g. '?o') for a
single stroke or a string (e.g. '"o a"') for a multi-stroke
binding. If it is nil, the symbol has no associated keystroke (it
is available in the menu, though).
Second, a string representing the name of the macro (without a
leading backslash.)
Third, a string representing the name of a submenu the command
should be added to. Use a list of strings in case of nested menus.
Fourth, the position of a Unicode character to be displayed in the
menu alongside the macro name. This is an integer value.
-- User Option: LaTeX-math-menu-unicode
Whether the LaTeX Math menu should try using Unicode for effect.
Your Emacs built must be able to display include Unicode characters
in menus for this feature.
AUCTeX's reference card 'tex-ref.tex' includes a list of all math
mode commands.
AUCTeX can help you write subscripts and superscripts in math
constructs by automatically inserting a pair of braces after typing <_>
or <^> respectively and putting point between the braces. In order to
enable this feature, set the variable 'TeX-electric-sub-and-superscript'
to a non-nil value.
-- User Option: TeX-electric-sub-and-superscript
If non-nil, insert braces after typing <^> and <_> in math mode.
You can automatically turn off input methods, used to input non-ascii
characters, when you begin to enter math constructs.
-- User Option: TeX-math-input-method-off-regexp
Input method matching this regular expression is turned off when
'$' is typed to begin math mode or a math environment is inserted
by 'C-c C-e' ('LaTeX-environment').

File: auctex.info, Node: Completion, Next: Marking, Prev: Mathematics, Up: Editing
2.6 Completion
==============
Emacs lisp programmers probably know the 'lisp-complete-symbol' command
which was bound to 'M-<TAB>' until completion-at-point became the new
standard completion facility (see below). Users of the wonderful ispell
mode know and love the 'ispell-complete-word' command from that package.
Similarly, AUCTeX has a 'TeX-complete-symbol' command, by default bound
to 'M-<TAB>' which is equivalent to 'C-M-i'. Using
'TeX-complete-symbol' makes it easier to type and remember the names of
long LaTeX macros.
In order to use 'TeX-complete-symbol', you should write a backslash
and the start of the macro. Typing 'M-<TAB>' will now complete as much
of the macro, as it unambiguously can. For example, if you type
''\renewc'' and then 'M-<TAB>', it will expand to ''\renewcommand''.
But there's more: if point is just after '\begin{', then
'TeX-complete-symbol' will complete LaTeX environments, etc. This is
controlled by 'TeX-complete-list'.
-- Command: TeX-complete-symbol
('M-<TAB>') Complete TeX symbol before point.
-- Variable: TeX-complete-list
List of ways to complete the preceding text.
Each entry is a list with the following elements:
1. Regexp matching the preceding text or a predicate of arity 0
which returns non-nil and sets 'match-data' appropriately if
it is applicable.
2. A number indicating the subgroup in the regexp containing the
text.
3. A function returning an alist of possible completions.
4. Text to append after a succesful completion.
Or alternatively:
1. Regexp matching the preceding text.
2. Function to do the actual completion.
More recent Emacs versions have a new completion mechanism. Modes
may define and register custom 'completion-at-point' functions and when
the user invokes 'completion-at-point' (usually bound to 'M-<TAB>'), all
such registered functions are consulted for checking for possible
completions. Modern completion UIs like company-mode support this
completion-at-point facility.
-- Function: TeX--completion-at-point
AUCTeX's completion-at-point function which is automatically added
to 'completion-at-point-functions' in TeX and LaTeX buffers.
It offers the same completion candidates as would
'TeX-complete-symbol' (and is also controlled by
'TeX-complete-list') except that it doesn't fall back on
'ispell-complete-word' which would be awkward with completion UIs
like company-mode.
A more direct way to insert a macro is with 'TeX-insert-macro', bound
to 'C-c C-m' which is equivalent to 'C-c <RET>'. It has the advantage
over completion that it knows about the argument of most standard LaTeX
macros, and will prompt for them. It also knows about the type of the
arguments, so it will for example give completion for the argument to
'\include'. Some examples are listed below.
-- Command: TeX-insert-macro
('C-c C-m' or 'C-c <RET>') Prompt (with completion) for the name of
a TeX macro, and if AUCTeX knows the macro, prompt for each
argument.
As a default selection, AUCTeX will suggest the macro last inserted
or, as the first choice the value of the variable 'TeX-default-macro'.
-- User Option: TeX-default-macro
Default macro to insert when invoking 'TeX-insert-macro' first
time.
-- User Option: TeX-insert-macro-default-style
Specifies whether 'TeX-insert-macro' will ask for all optional
arguments.
If set to the symbol 'show-optional-args', 'TeX-insert-macro' asks
for optional arguments of TeX marcos, unless the previous optional
argument has been rejected. If set to 'show-all-optional-args',
'TeX-insert-macro' asks for all optional arguments.
'mandatory-args-only', 'TeX-insert-macro' asks only for mandatory
arguments. When 'TeX-insert-macro' is called with prefix argument
('C-u'), it's the other way round.
Note that for some macros, there are special mechanisms, e.g.
'TeX-arg-cite-note-p' and 'LaTeX-includegraphics-options-alist'.
A faster alternative is to enable the option 'TeX-electric-escape'.
-- User Option: TeX-electric-escape
If this is non-nil, typing the TeX escape character '\' will invoke
the command 'TeX-electric-macro'.
In Texinfo mode, the command is invoked by '@' instead.
The difference between 'TeX-insert-macro' and 'TeX-electric-macro' is
that space key <SPC> will complete and exit from the minibuffer in
'TeX-electric-macro'. Use <TAB> if you merely want to complete.
-- Command: TeX-electric-macro
Prompt (with completion) for the name of a TeX macro, and if AUCTeX
knows the macro, prompt for each argument. Space (<SPC>) will
complete and exit.
By default AUCTeX will put an empty set braces '{}' after a macro
with no arguments to stop it from eating the next whitespace. This is
suppressed inside math mode and can be disabled totally by setting
'TeX-insert-braces' to nil.
-- User Option: TeX-insert-braces
If non-nil, append a empty pair of braces after inserting a macro
with no arguments.
-- User Option: TeX-insert-braces-alist
Control the insertion of a pair of braces after a macro on a per
macro basis.
This variable is an alist. Each element is a cons cell, whose car
is the macro name, and the cdr is non-nil or nil, depending on
whether a pair of braces should be, respectively, appended or not
to the macro.
If a macro has an element in this variable, AUCTeX will use its
value to decide what to do, whatever the value of the variable
'TeX-insert-braces'.
Completions work because AUCTeX can analyze TeX files, and store
symbols in Emacs Lisp files for later retrieval. *Note Automatic::, for
more information.
AUCTeX distinguishes normal and expert macros. By default, it will
offer completion only for normal commands. This behavior can be
controlled using the user option 'TeX-complete-expert-commands'.
-- User Option: TeX-complete-expert-commands
Complete macros and environments marked as expert commands.
Possible values are nil, t, or a list of style names.
nil
Don't complete expert commands (default).
t
Always complete expert commands.
(STYLES ...)
Only complete expert commands of STYLES.
AUCTeX will also make completion for many macro arguments, for
example existing labels when you enter a '\ref' macro with
'TeX-insert-macro' or 'TeX-electric-macro', and BibTeX entries when you
enter a '\cite' macro. For this kind of completion to work, parsing
must be enabled as described in *note Parsing Files::. For '\cite' you
must also make sure that the BibTeX files have been saved at least once
after you enabled automatic parsing on save, and that the basename of
the BibTeX file does not conflict with the basename of one of TeX files.

File: auctex.info, Node: Marking, Next: Commenting, Prev: Completion, Up: Editing
2.7 Marking Environments, Sections, or Texinfo Nodes
====================================================
You can mark the current environment by typing 'C-c .', or the current
section by typing 'C-c *'.
In Texinfo documents you can type 'C-M-h' to mark the current node.
When the region is set, the point is moved to its beginning and the
mark to its end.
* Menu:
* Marking (LaTeX):: LaTeX Commands for Marking Environments and Sections
* Marking (Texinfo):: Texinfo Commands for Marking Environments, Sections, and Nodes

File: auctex.info, Node: Marking (LaTeX), Next: Marking (Texinfo), Up: Marking
2.7.1 LaTeX Commands for Marking Environments and Sections
----------------------------------------------------------
-- Command: LaTeX-mark-section
('C-c *') Set mark at end of current logical section, and point at
top.
With a non-nil prefix argument, mark only the region from the
current section start to the next sectioning command. Thereby
subsections are not being marked. Otherwise, any included
subsections are also marked along with current section.
-- Command: LaTeX-mark-environment
('C-c .') Set mark to the end of the current environment and point
to the matching beginning.
If a prefix argument is given, mark the respective number of
enclosing environments. The command will not work properly if
there are unbalanced begin-end pairs in comments and verbatim
environments.

File: auctex.info, Node: Marking (Texinfo), Prev: Marking (LaTeX), Up: Marking
2.7.2 Texinfo Commands for Marking Environments and Sections
------------------------------------------------------------
-- Command: Texinfo-mark-section
('C-c *') Mark the current section, with inclusion of any
containing node.
The current section is detected as starting by any of the
structuring commands matched by the regular expression in the
variable 'outline-regexp' which in turn is a regular expression
matching any element of the variable 'texinfo-section-list'.
With a non-nil prefix argument, mark only the region from the
current section start to the next sectioning command. Thereby
subsections are not being marked. Otherwise, any included
subsections are also marked.
Note that when the current section is starting immediately after a
node command, then the node command is also marked as part of the
section.
-- Command: Texinfo-mark-environment
('C-c .') Set mark to the end of the current environment and point
to the matching beginning.
If a prefix argument is given, mark the respective number of
enclosing environments. The command will not work properly if
there are unbalanced begin-end pairs in comments and verbatim
environments.
-- Command: Texinfo-mark-node
('C-M-h') Mark the current node. This is the node in which point
is located. It is starting at the previous occurrence of the
keyword '@node' and ending at next occurrence of the keywords
'@node' or '@bye'.

File: auctex.info, Node: Commenting, Next: Indenting, Prev: Marking, Up: Editing
2.8 Commenting
==============
It is often necessary to comment out temporarily a region of TeX or
LaTeX code. This can be done with the commands 'C-c ;' and 'C-c %'.
'C-c ;' will comment out all lines in the current region, while 'C-c %'
will comment out the current paragraph. Type 'C-c ;' again to uncomment
all lines of a commented region, or 'C-c %' again to uncomment all
comment lines around point. These commands will insert or remove a
single '%' respectively.
-- Command: TeX-comment-or-uncomment-region
('C-c ;') Add or remove '%' from the beginning of each line in the
current region. Uncommenting works only if the region encloses
solely commented lines. If AUCTeX should not try to guess if the
region should be commented or uncommented the commands
'TeX-comment-region' and 'TeX-uncomment-region' can be used to
explicitly comment or uncomment the region in concern.
-- Command: TeX-comment-or-uncomment-paragraph
('C-c %') Add or remove '%' from the beginning of each line in the
current paragraph. When removing '%' characters the paragraph is
considered to consist of all preceding and succeeding lines
starting with a '%', until the first non-comment line.

File: auctex.info, Node: Indenting, Next: Filling, Prev: Commenting, Up: Editing
2.9 Indenting
=============
Indentation means the addition of whitespace at the beginning of lines
to reflect special syntactical constructs. This makes it easier to see
the structure of the document, and to catch errors such as a missing
closing brace. Thus, the indentation is done for precisely the same
reasons that you would indent ordinary computer programs.
Indentation is done by LaTeX environments and by TeX groups, that is
the body of an environment is indented by the value of
'LaTeX-indent-level' (default 2). Also, items of an 'itemize-like'
environment are indented by the value of 'LaTeX-item-indent', default
-2. (Items are identified with the help of 'LaTeX-item-regexp'.) If
more environments are nested, they are indented 'accumulated' just like
most programming languages usually are seen indented in nested
constructs.
You can explicitly indent single lines, usually by pressing <TAB>, or
marked regions by calling 'indent-region' on it. If you have
'auto-fill-mode' enabled and a line is broken while you type it, Emacs
automatically cares about the indentation in the following line. If you
want to have a similar behavior upon typing <RET>, you can customize the
variable 'TeX-newline-function' and change the default of 'newline'
which does no indentation to 'newline-and-indent' which indents the new
line or 'reindent-then-newline-and-indent' which indents both the
current and the new line.
There are certain LaTeX environments which should be indented in a
special way, like 'tabular' or 'verbatim'. Those environments may be
specified in the variable 'LaTeX-indent-environment-list' together with
their special indentation functions. Taking the 'verbatim' environment
as an example you can see that 'current-indentation' is used as the
indentation function. This will stop AUCTeX from doing any indentation
in the environment if you hit <TAB> for example.
There are environments in 'LaTeX-indent-environment-list' which do
not bring a special indentation function with them. This is due to the
fact that first the respective functions are not implemented yet and
second that filling will be disabled for the specified environments.
This shall prevent the source code from being messed up by accidently
filling those environments with the standard filling routine. If you
think that providing special filling routines for such environments
would be an appropriate and challenging task for you, you are invited to
contribute. (*Note Filling::, for further information about the filling
functionality.)
The check for the indentation function may be enabled or disabled by
customizing the variable 'LaTeX-indent-environment-check'.
For tabular-like environments, AUCTeX has a built-in function to
indent according to preceding '&' signs and assigns it to all known
tabular-like environments in the default value of
'LaTeX-indent-environment-list'.
As a side note with regard to formatting special environments: Newer
Emacsen include 'align.el' and therefore provide some support for
formatting 'tabular' and 'tabbing' environments with the function
'align-current' which will nicely align columns in the source code.
AUCTeX is able to format commented parts of your code just as any
other part. This means LaTeX environments and TeX groups in comments
will be indented syntactically correct if the variable
'LaTeX-syntactic-comments' is set to t. If you disable it, comments
will be filled like normal text and no syntactic indentation will be
done.
Following you will find a list of most commands and variables related
to indenting with a small summary in each case:
'<TAB>'
'LaTeX-indent-line' will indent the current line.
'<LFD>'
'C-j'
'newline-and-indent' inserts a new line (much like <RET>) and moves
the cursor to an appropriate position by the left margin.
Most keyboards nowadays lack a linefeed key and 'C-j' may be
tedious to type. Therefore you can customize AUCTeX to perform
indentation upon typing <RET> as well. The respective option is
called 'TeX-newline-function'.
-- User Option: LaTeX-indent-environment-list
List of environments with special indentation. The second element
in each entry is the function to calculate the indentation level in
columns.
-- User Option: LaTeX-indent-level
Number of spaces to add to the indentation for each '\begin' not
matched by a '\end'.
-- User Option: LaTeX-item-indent
Number of spaces to add to the indentation for '\item''s in list
environments.
-- User Option: TeX-brace-indent-level
Number of spaces to add to the indentation for each '{' not matched
by a '}'.
-- User Option: LaTeX-syntactic-comments
If non-nil comments will be filled and indented according to LaTeX
syntax. Otherwise they will be filled like normal text.
-- User Option: TeX-newline-function
Used to specify the function which is called when <RET> is pressed.
This will normally be 'newline' which simply inserts a new line.
In case you want to have AUCTeX do indentation as well when you
press <RET>, use the built-in functions 'newline-and-indent' or
'reindent-then-newline-and-indent'. The former inserts a new line
and indents the following line, i.e. it moves the cursor to the
right position and therefore acts as if you pressed <LFD>. The
latter function additionally indents the current line. If you
choose 'Other', you can specify your own fancy function to be
called when <RET> is pressed.
AUCTeX treats by default '\[...\]' math mode as a regular environment
and indents it accordingly. If you do not like such behavior you only
need to remove '\|\[' and '\|\]' from 'LaTeX-begin-regexp' and
'LaTeX-end-regexp' variables respectively.
A closely related topic is indenting of text enclosed in square
brackets, parentheses and other pairs. AUCTeX offers two variables
which control if indentation happens inside these pairs.
-- User Option: TeX-indent-open-delimiters
This variable contains additional opening delimiters which increase
indentation. For example add '[' to this variable to get text
after a square bracket indented.
-- User Option: TeX-indent-close-delimiters
This is the accompanying variable to 'TeX-indent-open-delimiters'
decreasing the indentation again. This variable should contain ']'
if 'TeX-indent-open-delimiters' is set like described above.
Note that this is an opt-in feature, both variables are initially set to
an empty string. That is because it introduces non-trivial side effects
to include '[' and ']' in 'TeX-indent-open-delimiters' and
'TeX-indent-close-delimiters'; if you only have an opening square
bracket in your text without closing it, wrong indentation persists in
the following text. For example, in math expression, half-open
intervals are frequently written as '[0,10)' or '[0,10['. In such
cases, you can put the closing part as a comment in the same line in
order to have correct indentation after that:
$[0,10)$ % ]
$[0,10[$ % ]]
Another example is '\left'-'\right' pair in equations. Similar
workarounds are available:
\begin{equation}
\left[ % ]
xyz
\right] % [
abc
\end{equation}
You can include parens '()' also in 'TeX-indent-open-delimiters' and
'TeX-indent-close-delimiters' to enable indent inside them. Be prepared
for similar side effects when you do.
Note that commented curly braces '{' and '}' aren't counted when
AUCTeX computes indentation.

File: auctex.info, Node: Filling, Prev: Indenting, Up: Editing
2.10 Filling
============
Filling deals with the insertion of line breaks to prevent lines from
becoming wider than what is specified in 'fill-column'. The linebreaks
will be inserted automatically if 'auto-fill-mode' is enabled. In this
case the source is not only filled but also indented automatically as
you write it.
'auto-fill-mode' can be enabled for AUCTeX by calling
'turn-on-auto-fill' in one of the hooks AUCTeX is running. *Note Modes
and Hooks::. As an example, if you want to enable 'auto-fill-mode' in
'LaTeX-mode', put the following into your init file:
(add-hook 'LaTeX-mode-hook #'turn-on-auto-fill)
You can manually fill explicitly marked regions, paragraphs,
environments, complete sections, or the whole buffer. (Note that manual
filling in AUCTeX will indent the start of the region to be filled in
contrast to many other Emacs modes.)
There are some syntactical constructs which are handled specially
with regard to filling. These are so-called "code comments" and
"paragraph commands".
Code comments are comments preceded by code or text in the same line.
Upon filling a region, code comments themselves will not get filled.
Filling is done from the start of the region to the line with the code
comment and continues after it. In order to prevent overfull lines in
the source code, a linebreak will be inserted before the last
non-comment word by default. This can be changed by customizing
'LaTeX-fill-break-before-code-comments'. If you have overfull lines
with code comments you can fill those explicitly by calling
'LaTeX-fill-paragraph' or pressing 'M-q' with the cursor positioned on
them. This will add linebreaks in the comment and indent subsequent
comment lines to the column of the comment in the first line of the code
comment. In this special case 'M-q' only acts on the current line and
not on the whole paragraph.
Lines with '\par' are treated similarly to code comments, i.e. '\par'
will be treated as paragraph boundary which should not be followed by
other code or text. But it is not treated as a real paragraph boundary
like an empty line where filling a paragraph would stop.
Paragraph commands like '\section' or '\noindent' (the list of
commands is defined by 'LaTeX-paragraph-commands') are often to be
placed in their own line(s). This means they should not be consecuted
with any preceding or following adjacent lines of text. AUCTeX will
prevent this from happening if you do not put any text except another
macro after the end of the last brace of the respective macro. If there
is other text after the macro, AUCTeX regards this as a sign that the
macro is part of the following paragraph.
Here are some examples:
\begin{quote}
text text text text
\begin{quote}\label{foo}
text text text text
If you press 'M-q' on the first line in both examples, nothing will
change. But if you write
\begin{quote} text
text text text text
and press 'M-q', you will get
\begin{quote} text text text text text
Besides code comments and paragraph commands, another speciality of
filling in AUCTeX involves commented lines. You should be aware that
these comments are treated as islands in the rest of the LaTeX code if
syntactic filling is enabled. This means, for example, if you try to
fill an environment with 'LaTeX-fill-environment' and have the cursor
placed on a commented line which does not have a surrounding environment
inside the comment, AUCTeX will report an error.
The relevant commands and variables with regard to filling are:
'C-c C-q C-p'
'LaTeX-fill-paragraph' will fill and indent the current paragraph.
'M-q'
Alias for 'C-c C-q C-p'
'C-c C-q C-e'
'LaTeX-fill-environment' will fill and indent the current
environment. This may e.g. be the 'document' environment, in which
case the entire document will be formatted.
'C-c C-q C-s'
'LaTeX-fill-section' will fill and indent the current logical
sectional unit.
'C-c C-q C-r'
'LaTeX-fill-region' will fill and indent the current region.
-- User Option: LaTeX-fill-break-at-separators
List of separators before or after which respectively linebreaks
will be inserted if they do not fit into one line. The separators
can be curly braces, brackets, switches for inline math ('$', '\(',
'\)') and switches for display math ('\[', '\]'). Such formatting
can be useful to make macros and math more visible or to prevent
overfull lines in the LaTeX source in case a package for displaying
formatted TeX output inside the Emacs buffer, like preview-latex,
is used.
-- User Option: LaTeX-fill-break-before-code-comments
Code comments are comments preceded by some other text in the same
line. When a paragraph containing such a comment is to be filled,
the comment start will be seen as a border after which no line
breaks will be inserted in the same line. If the option
'LaTeX-fill-break-before-code-comments' is enabled (which is the
default) and the comment does not fit into the line, a line break
will be inserted before the last non-comment word to minimize the
chance that the line becomes overfull.
-- User Option: LaTeX-fill-excluded-macros
A list of macro names (without leading backslash) for whose
arguments filling should be disabled. Typically, you will want to
add macros here which have long, multi-line arguments. An example
is '\pgfplotstabletypeset' from the pgfplotstable package which is
used as shown in the following listing:
\pgfplotstabletypeset[skip first n=4]{%
XYZ Format,
Version 1.234
Date 2010-09-01
@author Mustermann
A B C
1 2 3
4 5 6
}

File: auctex.info, Node: Display, Next: Processing, Prev: Editing, Up: Top
3 Controlling Screen Display
****************************
It is often desirable to get visual help of what markup code in a text
actually does without having to decipher it explicitly. For this
purpose Emacs and AUCTeX provide font locking (also known as syntax
highlighting) which visually sets off markup code like macros or
environments by using different colors or fonts. For example text to be
typeset in italics can be displayed with an italic font in the editor as
well, or labels and references get their own distinct color.
While font locking helps you grasp the purpose of markup code and
separate markup from content, the markup code can still be distracting.
AUCTeX lets you hide those parts and show them again at request with its
built-in support for hiding macros and environments which we call
folding here.
Besides folding of macros and environments, AUCTeX provides support
for Emacs' outline mode which lets you narrow the buffer content to
certain sections of your text by hiding the parts not belonging to these
sections.
Moreover, you can focus in a specific portion of the code by
narrowing the buffer to the desired region. AUCTeX provides also
functions to narrow the buffer to the current group and to LaTeX
environments.
AUCTeX also provides some WYSIWYG features.
First, you can customize 'font-latex-fontify-script' to enable
special formatting of '^' superscripts and '_' subscripts (*note Font
Locking::).
Secondly, AUCTeX with GNU Emacs 25 or later can display certain math
macros using Unicode characters, e.g., '\alpha' as α. This is called
prettification and is lightweight and reasonable robust (*note
Prettifying::).
A more accurate approach is provided by preview-latex, a subsystem of
AUCTeX, see *note Introduction: (preview-latex)Top. This system uses
LaTeX to generate images that are then displayed in your buffer. It is
extremely accurate but can be fragile with some packages (like older pgf
versions).
Please note that you can use prettification and preview-latex
together.
* Menu:
* Font Locking:: Font Locking
* Folding:: Folding Macros and Environments
* Outline:: Outlining the Document
* Narrowing:: Restricting display and editing to a portion of the buffer
* Prettifying:: Displaying Greek and math macros as Unicode characters

File: auctex.info, Node: Font Locking, Next: Folding, Up: Display
3.1 Font Locking
================
Font locking is supposed to improve readability of the source code by
highlighting certain keywords with different colors or fonts. It
thereby lets you recognize the function of markup code to a certain
extent without having to read the markup command. For general
information on controlling font locking with Emacs' Font Lock mode, see
*note Font Lock Mode: (emacs)Font Lock.
-- User Option: TeX-install-font-lock
Once font locking is enabled globally or for the major modes
provided by AUCTeX, the font locking patterns and functionality of
font-latex are activated by default. You can switch to a different
font locking scheme or disable font locking in AUCTeX by
customizing the variable 'TeX-install-font-lock'.
Besides font-latex AUCTeX ships with a scheme which is derived from
Emacs' default LaTeX mode and activated by choosing
'tex-font-setup'. Be aware that this scheme is not coupled with
AUCTeX's style system and not the focus of development. Therefore
and due to font-latex being much more feature-rich the following
explanations will only cover font-latex.
In case you want to hook in your own fontification scheme, you can
choose 'other' and insert the name of the function which sets up
your font locking patterns. If you want to disable fontification
in AUCTeX completely, choose 'ignore'.
font-latex provides many options for customization which are
accessible with 'M-x customize-group <RET> font-latex <RET>'. For this
description the various options are explained in conceptional groups.
* Menu:
* Fontification of macros:: Fontification of macros
* Fontification of quotes:: Fontification of quotes
* Fontification of math:: Fontification of math constructs
* Verbatim content:: Verbatim macros and environments
* Faces:: Faces used by font-latex
* Known problems:: Known fontification problems

File: auctex.info, Node: Fontification of macros, Next: Fontification of quotes, Up: Font Locking
3.1.1 Fontification of macros
-----------------------------
Highlighting of macros can be customized by adapting keyword lists which
can be found in the customization group 'font-latex-keywords'.
Three types of macros can be handled differently with respect to
fontification:
1. Commands of the form '\foo[bar]{baz}' which consist of the macro
itself, optional arguments in square brackets and mandatory
arguments in curly braces. For the command itself the face
'font-lock-keyword-face' will be used and for the optional
arguments the face 'font-lock-variable-name-face'. The face
applied to the mandatory argument depends on the macro class
represented by the respective built-in variables.
2. Declaration macros of the form '{\foo text}' which consist of the
macro which may be enclosed in a TeX group together with text to be
affected by the macro. In case a TeX group is present, the macro
will get the face 'font-lock-keyword-face' and the text will get
the face configured for the respective macro class. If no TeX
group is present, the latter face will be applied to the macro
itself.
3. Simple macros of the form '\foo' which do not have any arguments or
groupings. The respective face will be applied to the macro
itself.
Customization variables for '\foo[bar]{baz}' type macros allow both
the macro name and the sequence of arguments to be specified. The
latter is done with a string which can contain the characters
'*'
indicating the existence of a starred variant for the macro,
'['
for optional arguments in brackets,
'{'
for mandatory arguments in braces,
'\'
for mandatory arguments consisting of a single macro and
'|'
as a prefix indicating that two alternatives are following.
For example the specifier for '\documentclass' would be '[{' because
the macro has one optional followed by one mandatory argument. The
specifier for '\newcommand' would be '*|{\[[{' because there is a
starred variant, the mandatory argument following the macro name can be
a macro or a TeX group which can be followed by two optional arguments
and the last token is a mandatory argument in braces.
Customization variables for the '{\foo text}' and '\foo' types are
simple lists of strings where each entry is a macro name (without the
leading backslash).
General macro classes
---------------------
font-latex provides keyword lists for different macro classes which are
described in the following table:
'font-latex-match-function-keywords'
Keywords for macros defining or related to functions, like
'\newcommand'.
Type: '\macro[...]{...}'
Face: 'font-lock-function-name-face'
'font-latex-match-reference-keywords'
Keywords for macros defining or related to references, like '\ref'.
Type: '\macro[...]{...}'
Face: 'font-lock-constant-face'
'font-latex-match-textual-keywords'
Keywords for macros specifying textual content, like '\caption'.
Type: '\macro[...]{...}'
Face: 'font-lock-type-face'
'font-latex-match-variable-keywords'
Keywords for macros defining or related to variables, like
'\setlength'.
Type: '\macro[...]{...}'
Face: 'font-lock-variable-name-face'
'font-latex-match-warning-keywords'
Keywords for important macros, e.g. affecting line or page break,
like '\clearpage'.
Type: '\macro'
Face: 'font-latex-warning-face'
Sectioning commands
-------------------
Sectioning commands are macros like '\chapter' or '\section'. For these
commands there are two fontification schemes which may be selected by
customizing the variable 'font-latex-fontify-sectioning'.
-- User Option: font-latex-fontify-sectioning
Per default sectioning commands will be shown in a larger,
proportional font, which corresponds to a number for this variable.
The font size varies with the sectioning level, e.g. '\part'
('font-latex-sectioning-0-face') has a larger font than
'\paragraph' ('font-latex-sectioning-5-face'). Typically, values
from 1.05 to 1.3 for 'font-latex-fontify-sectioning' give best
results, depending on your font setup. If you rather like to use
the base font and a different color, set the variable to the symbol
'color'. In this case the face 'font-lock-type-face' will be used
to fontify the argument of the sectioning commands.
You can make font-latex aware of your own sectioning commands be
adding them to the keyword lists:
'font-latex-match-sectioning-0-keywords'
('font-latex-sectioning-0-face') ...
'font-latex-match-sectioning-5-keywords'
('font-latex-sectioning-5-face').
Related to sectioning there is special support for slide titles which
may be fontified with the face 'font-latex-slide-title-face'. You can
add macros which should appear in this face by customizing the variable
'font-latex-match-slide-title-keywords'.
Commands for changing fonts
---------------------------
LaTeX provides various macros for changing fonts or font attributes.
For example, you can select an italic font with '\textit{...}' or bold
with '\textbf{...}'. An alternative way to specify these fonts is to
use special macros in TeX groups, like '{\itshape ...}' for italics and
'{\bfseries ...}' for bold. As mentioned above, we call the former
variants commands and the latter declarations.
Besides the macros for changing fonts provided by LaTeX there is an
infinite number of other macros--either defined by yourself for logical
markup or defined by macro packages--which affect the font in the
typeset text. While LaTeX's built-in macros and macros of packages
known by AUCTeX are already handled by font-latex, different keyword
lists per type style and macro type are provided for entering your own
macros which are listed in the table below.
'font-latex-match-bold-command-keywords'
Keywords for commands specifying a bold type style.
Face: 'font-latex-bold-face'
'font-latex-match-italic-command-keywords'
Keywords for commands specifying an italic font.
Face: 'font-latex-italic-face'
'font-latex-match-underline-command-keywords'
Keywords for commands specifying an underlined text.
Face: 'font-latex-underline-face'
'font-latex-match-math-command-keywords'
Keywords for commands specifying a math font.
Face: 'font-latex-math-face'
'font-latex-match-type-command-keywords'
Keywords for commands specifying a typewriter font.
Face: 'font-lock-type-face'
'font-latex-match-bold-declaration-keywords'
Keywords for declarations specifying a bold type style.
Face: 'font-latex-bold-face'
'font-latex-match-italic-declaration-keywords'
Keywords for declarations specifying an italic font.
Face: 'font-latex-italic-face'
'font-latex-match-type-declaration-keywords'
Keywords for declarations specifying a typewriter font.
Face: 'font-latex-type-face'
Deactivating defaults of built-in keyword classes
-------------------------------------------------
font-latex ships with predefined lists of keywords for the classes
described above. You can disable these defaults per class by
customizing the variable 'font-latex-deactivated-keyword-classes'. This
is a list of strings for keyword classes to be deactivated. Valid
entries are "warning", "variable", "biblatexnoarg", "biblatex",
"reference", "function" , "sectioning-0", "sectioning-1",
"sectioning-2", "sectioning-3", "sectioning-4", "sectioning-5",
"slide-title", "textual", "bold-command", "italic-command",
"underline-command", "math-command", "type-command", "bold-declaration",
"italic-declaration", "type-declaration".
You can also get rid of certain keywords only. For example if you
want to remove highlighting of footnotes as references you can put the
following stanza into your init file:
(eval-after-load "font-latex"
'(setq-default
font-latex-match-reference-keywords-local
(remove (assoc-string "footnote"
font-latex-match-reference-keywords-local)
font-latex-match-reference-keywords-local)))
But note that this means fiddling with font-latex's internals and is
not guaranteed to work in future versions of font-latex.
User-defined keyword classes
----------------------------
In case the customization options explained above do not suffice for
your needs, you can specify your own keyword classes by customizing the
variable 'font-latex-user-keyword-classes'.
-- User Option: font-latex-user-keyword-classes
Every keyword class consists of four parts, a name, a list of
keywords, a face and a specifier for the type of macros to be
highlighted.
When adding new entries, you have to use unique values for the
class names, i.e. they must not clash with names of the built-in
keyword classes or other names given by you. Additionally the
names must not contain spaces.
The list of keywords defines which commands and declarations should
be covered by the keyword class. A keyword can either be a simple
command name omitting the leading backslash or a list consisting of
the command name and a string specifying the sequence of arguments
for the command.
The face argument can either be an existing face or face attributes
made by you.
There are three alternatives for the type of keywords--"Command
with arguments", "Declaration inside TeX group" and "Command
without arguments"--which correspond with the macro types explained
above.

File: auctex.info, Node: Fontification of quotes, Next: Fontification of math, Prev: Fontification of macros, Up: Font Locking
3.1.2 Fontification of quotes
-----------------------------
Text in quotation marks is displayed with the face
'font-latex-string-face'. Besides the various forms of opening and
closing double and single quotation marks, so-called guillemets (<<, >>)
can be used for quoting. Because there are two styles of using
them--French style: << text >>; German style: >>text<<--you can
customize the variable 'font-latex-quotes' to tell font-latex which type
you are using if the correct value cannot be derived from document
properties.
-- User Option: font-latex-quotes
The default value of 'font-latex-quotes' is 'auto' which means that
font-latex will try to derive the correct type of quotation mark
matching from document properties like the language option supplied
to the babel LaTeX package.
If the automatic detection fails for you and you mostly use one
specific style you can set it to a specific language-dependent
value as well. Set the value to 'german' if you are using >>German
quotes<< and to 'french' if you are using << French quotes >>.
font-latex will recognize the different ways these quotes can be
given in your source code, i.e. ('"<', '">'), ('<<', '>>') and the
respective 8-bit variants.
If you set 'font-latex-quotes' to nil, quoted content will not be
fontified.

File: auctex.info, Node: Fontification of math, Next: Verbatim content, Prev: Fontification of quotes, Up: Font Locking
3.1.3 Fontification of mathematical constructs
----------------------------------------------
In LaTeX mathematics can be indicated by a variety of different methods:
toggles (like dollar signs), macros and environments. Math constructs
known by font-latex are displayed with the face 'font-latex-math-face'.
Support for dollar signs and shorthands like '\(...\)' or '\[...\]' is
built-in and not customizable. Support for other math macros and
environments can be adapted by customizing the variables
'font-latex-match-math-command-keywords' and 'texmathp-tex-commands'
respectively. It is no longer recommended to customize
'font-latex-math-environments'.
To convert your customization in 'font-latex-math-environments' into
'texmathp-tex-commands', please register your own math environments,
together with starred variants if any, as entries of 'env-on' type in
'texmathp-tex-commands', then clear out 'font-latex-math-environments'.
You have to restart Emacs for this new customization to take effect for
fontification.
In order to make math constructs more readable, font-latex displays
subscript and superscript parts in a smaller font and raised or lowered
respectively. This fontification feature can be controlled with the
variables 'font-latex-fontify-script' and 'font-latex-script-display'.
-- User Option: font-latex-fontify-script
If non-nil, fontify subscript and superscript strings. Concretely,
this means that the scripts are raised or lowered.
Another possiblity is setting this variable to the symbol
'multi-level'. In this case, in a formula x^{y^z}, y is raised
above and smaller than x, and z is raised above and smaller than y.
With many script levels, the text might become too small to be
readable. (See 'font-latex-fontify-script-max-level' below.)
Lastly, you can set this variable to 'invisible' whose behavior is
like 'multi-level', and in addition the super-/subscript characters
^ and _ are not displayed.
-- User Option: font-latex-fontify-script-max-level
Maximum scriptification level for which script faces are applied.
The faces 'font-latex-superscript-face' and
'font-latex-subscript-face' define custom ':height' values < 1.0.
Therefore, scripts are displayed with a slightly smaller font than
normal math text. If 'font-latex-fontify-script' is 'multi-level'
or 'invisible', the font size becomes too small to be readable
after a few levels. This option allows to specify the maximum
level after which the size of the script text won’t be shrunken
anymore.
For example, in the expression x^{y^{z^a_b}}, x has scriptification
level 0, y has level 1, z has level 2, and both a and b have
scriptification level 3.
If 'font-latex-fontify-script-max-level' was 2, then z, a, and b
would have the same font size. If it was 3 or more, then a and b
were smaller than z just in the same way as z is smaller than y and
y is smaller than x.
The script characters '^' and '_' themselves are also fontified with
an own face named 'font-latex-script-char-face'.
-- User Option: font-latex-script-display
Display specification for subscript and superscript content. The
car is used for subscript, the cdr is used for superscript. The
feature is implemented using so-called display properties. For
information on what exactly to specify for the values, see *note
Other Display Specifications: (elisp)Other Display Specs.

File: auctex.info, Node: Verbatim content, Next: Faces, Prev: Fontification of math, Up: Font Locking
3.1.4 Verbatim macros and environments
--------------------------------------
Usually it is not desirable to have content to be typeset verbatim
highlighted according to LaTeX syntax. Therefore this content will be
fontified uniformly with the face 'font-latex-verbatim-face'.
font-latex differentiates three different types of verbatim
constructs for fontification. Macros with special characters like | as
delimiters, macros with braces, and environments. Which macros and
environments are recognized is controlled by the variables
'LaTeX-verbatim-macros-with-delims',
'LaTeX-verbatim-macros-with-braces', and 'LaTeX-verbatim-environments'
respectively.

File: auctex.info, Node: Faces, Next: Known problems, Prev: Verbatim content, Up: Font Locking
3.1.5 Faces used by font-latex
------------------------------
In case you want to change the colors and fonts used by font-latex
please refer to the faces mentioned in the explanations above and use
'M-x customize-face <RET> <face> <RET>'. All faces defined by
font-latex are accessible through a customization group by typing 'M-x
customize-group <RET> font-latex-highlighting-faces <RET>'.

File: auctex.info, Node: Known problems, Prev: Faces, Up: Font Locking
3.1.6 Known fontification problems
----------------------------------
In certain cases the fontification machinery fails to interpret buffer
contents correctly. This can lead to color bleed, i.e. large parts of a
buffer get fontified with an inappropriate face. A typical situation
for this to happen is the use of a dollar sign ('$') in a verbatim macro
or environment. If font-latex is not aware of the verbatim construct,
it assumes the dollar sign to be a toggle for mathematics and fontifies
the following buffer content with the respective face until it finds a
closing dollar sign or till the end of the buffer.
As a remedy you can make the verbatim construct known to font-latex
(*note Verbatim content::). If this is not possible, you can insert a
commented dollar sign ('%$') at the next suitable end of line as a quick
workaround. In docTeX documents, '^^A$' is also available for similar
purpose.

File: auctex.info, Node: Folding, Next: Outline, Prev: Font Locking, Up: Display
3.2 Folding Macros and Environments
===================================
A popular complaint about markup languages like TeX and LaTeX is that
there is too much clutter in the source text and that one cannot focus
well on the content. There are macros where you are only interested in
the content they are enclosing, like font specifiers where the content
might already be fontified in a special way by font locking. Or macros
the content of which you only want to see when actually editing it, like
footnotes or citations. Similarly you might find certain environments
or comments distracting when trying to concentrate on the body of your
document.
With AUCTeX's folding functionality you can collapse those items and
replace them by a fixed string, the content of one of their arguments,
or a mixture of both. If you want to make the original text visible
again in order to view or edit it, move point sideways onto the
placeholder (also called display string) or left-click with the mouse
pointer on it. The macro or environment will unfold automatically, stay
open as long as point is inside of it and collapse again once you move
point out of it. (Note that folding of environments currently does not
work in every AUCTeX mode.)
In order to use this feature, you have to activate 'TeX-fold-mode'
which will activate the auto-reveal feature and the necessary commands
to hide and show macros and environments. You can activate the mode in
a certain buffer by typing the command 'M-x TeX-fold-mode <RET>' or
using the keyboard shortcut 'C-c C-o C-f'. If you want to use it every
time you edit a LaTeX document, add it to a hook:
(add-hook 'LaTeX-mode-hook (lambda ()
(TeX-fold-mode 1)))
If it should be activated in all AUCTeX modes, use 'TeX-mode-hook'
instead of 'LaTeX-mode-hook'.
Once the mode is active there are several commands available to hide
and show macros, environments and comments:
-- Command: TeX-fold-buffer
('C-c C-o C-b') Hide all foldable items in the current buffer
according to the setting of 'TeX-fold-type-list'.
If you want to have this done automatically every time you open a
file, add it to a hook and make sure the function is called after
font locking is set up for the buffer. The following code should
accomplish this:
(add-hook 'find-file-hook #'TeX-fold-buffer t)
The command can be used any time to refresh the whole buffer and
fold any new macros and environments which were inserted after the
last invocation of the command.
-- User Option: TeX-fold-type-list
List of symbols determining the item classes to consider for
folding. This can be macros, environments and comments. Per
default only macros and environments are folded.
-- User Option: TeX-fold-force-fontify
In order for all folded content to get the right faces, the whole
buffer has to be fontified before folding is carried out.
'TeX-fold-buffer' therefore will force fontification of unfontified
regions. As this will prolong the time folding takes, you can
prevent forced fontification by customizing the variable
'TeX-fold-force-fontify'.
-- User Option: TeX-fold-auto
By default, a macro inserted with 'TeX-insert-macro' ('C-c C-m')
will not be folded. Set this variable to a non-nil value to
aumatically fold macros as soon as they are inserted.
-- User Option: TeX-fold-preserve-comments
By default items found in comments will be folded. If your
comments often contain unfinished code this might lead to problems.
Give this variable a non-nil value and foldable items in your
comments will be left alone.
-- User Option: TeX-fold-unfold-around-mark
When this variable is non-nil and there is an active regione, text
around the mark will be kept unfolded.
-- Command: TeX-fold-region
('C-c C-o C-r') Hide all configured macros in the marked region.
-- Command: TeX-fold-paragraph
('C-c C-o C-p') Hide all configured macros in the paragraph
containing point.
-- Command: TeX-fold-macro
('C-c C-o C-m') Hide the macro on which point currently is located.
If the name of the macro is found in 'TeX-fold-macro-spec-list',
the respective display string will be shown instead. If it is not
found, the name of the macro in sqare brackets or the default
string for unspecified macros
('TeX-fold-unspec-macro-display-string') will be shown, depending
on the value of the variable 'TeX-fold-unspec-use-name'.
-- Command: TeX-fold-env
('C-c C-o C-e') Hide the environment on which point currently is
located. The behavior regarding the display string is analogous to
'TeX-fold-macro' and determined by the variables
'TeX-fold-env-spec-list' and 'TeX-fold-unspec-env-display-string'
respectively.
-- Command: TeX-fold-math
Hide the math macro on which point currently is located. If the
name of the macro is found in 'TeX-fold-math-spec-list', the
respective display string will be shown instead. If it is not
found, the name of the macro in sqare brackets or the default
string for unspecified macros
('TeX-fold-unspec-macro-display-string') will be shown, depending
on the value of the variable 'TeX-fold-unspec-use-name'.
-- Command: TeX-fold-comment
('C-c C-o C-c') Hide the comment point is located on.
-- Command: TeX-fold-clearout-buffer
('C-c C-o b') Permanently unfold all macros and environments in the
current buffer.
-- Command: TeX-fold-clearout-region
('C-c C-o r') Permanently unfold all macros and environments in the
marked region.
-- Command: TeX-fold-clearout-paragraph
('C-c C-o p') Permanently unfold all macros and environments in the
paragraph containing point.
-- Command: TeX-fold-clearout-item
('C-c C-o i') Permanently show the macro or environment on which
point currently is located. In contrast to temporarily opening the
macro when point is moved sideways onto it, the macro will be
permanently unfolded and will not collapse again once point is
leaving it.
-- Command: TeX-fold-dwim
('C-c C-o C-o') Hide or show items according to the current
context. If there is folded content, unfold it. If there is a
marked region, fold all configured content in this region. If
there is no folded content but a macro or environment, fold it.
In case you want to use a different prefix than 'C-c C-o' for these
commands you can customize the variable 'TeX-fold-command-prefix'.
(Note that this will not change the key binding for activating the
mode.)
The commands above will only take macros or environments into
consideration which are specified in the variables
'TeX-fold-macro-spec-list' or 'TeX-fold-env-spec-list' respectively.
-- User Option: TeX-fold-macro-spec-list
List of replacement specifiers and macros to fold. The specifier
can be a string, an integer or a function symbol.
If you specify a string, it will be used as a display replacement
for the whole macro. Numbers in braces, brackets, parens or angle
brackets will be replaced by the respective macro argument. For
example '{1}' will be replaced by the first mandatory argument of
the macro. One can also define alternatives within the specifier
which are used if an argument is not found. Alternatives are
separated by '||'. They are most useful with optional arguments.
As an example, the default specifier for '\item' is '[1]:||*' which
means that if there is an optional argument, its value is shown
followed by a colon. If there is no optional argument, only an
asterisk is used as the display string.
If you specify a number as the first element, the content of the
respective mandatory argument of a LaTeX macro will be used as the
placeholder.
If the first element is a function symbol, the function will be
called with all mandatory arguments of the macro and the result of
the function call will be used as a replacement for the macro.
The placeholder is made by copying the text from the buffer
together with its properties, i.e. its face as well. If
fontification has not happened when this is done (e.g. because of
lazy font locking) the intended fontification will not show up. As
a workaround you can leave Emacs idle a few seconds and wait for
stealth font locking to finish before you fold the buffer. Or you
just re-fold the buffer with 'TeX-fold-buffer' when you notice a
wrong fontification.
-- User Option: TeX-fold-env-spec-list
List of display strings or argument numbers and environments to
fold. Argument numbers refer to the '\begin' statement. That
means if you have e.g. '\begin{tabularx}{\linewidth}{XXX} ...
\end{tabularx}' and specify 3 as the argument number, the resulting
display string will be "XXX".
-- User Option: TeX-fold-math-spec-list
List of display strings and math macros to fold.
The variables 'TeX-fold-macro-spec-list', 'TeX-fold-env-spec-list',
and 'TeX-fold-math-spec-list' apply to any AUCTeX mode. If you want to
make settings which are only applied to LaTeX mode, you can use the
mode-specific variables 'LaTeX-fold-macro-spec-list',
'LaTeX-fold-env-spec-list', and 'LaTeX-fold-math-spec-list'
-- User Option: TeX-fold-unspec-macro-display-string
Default display string for macros which are not specified in
'TeX-fold-macro-spec-list'.
-- User Option: TeX-fold-unspec-env-display-string
Default display string for environments which are not specified in
'TeX-fold-env-spec-list'.
-- User Option: TeX-fold-unspec-use-name
If non-nil the name of the macro or environment surrounded by
square brackets is used as display string, otherwise the defaults
specified in 'TeX-fold-unspec-macro-display-string' or
'TeX-fold-unspec-env-display-string' respectively.
When you hover with the mouse pointer over folded content, its
original text will be shown in a tooltip or the echo area depending on
Tooltip mode being activate. In order to avoid exorbitantly big
tooltips and to cater for the limited space in the echo area the content
will be cropped after a certain amount of characters defined by the
variable 'TeX-fold-help-echo-max-length'.
-- User Option: TeX-fold-help-echo-max-length
Maximum length of original text displayed in a tooltip or the echo
area for folded content. Set it to zero in order to disable this
feature.

File: auctex.info, Node: Outline, Next: Narrowing, Prev: Folding, Up: Display
3.3 Outlining the Document
==========================
AUCTeX supports the standard outline minor mode using LaTeX/ConTeXt
sectioning commands as header lines. *Note Outline Mode: (emacs)Outline
Mode.
You can add your own headings by setting the variable
'TeX-outline-extra'.
-- Variable: TeX-outline-extra
List of extra TeX outline levels.
Each element is a list with two entries. The first entry is the
regular expression matching a header, and the second is the level
of the header. A '^' is automatically prepended to the regular
expressions in the list, so they must match text at the beginning
of the line.
See 'LaTeX-section-list' or 'ConTeXt-INTERFACE-section-list' for
existing header levels.
The following example add '\item' and '\bibliography' headers, with
'\bibliography' at the same outline level as '\section', and '\item'
being below '\subparagraph'.
(setq TeX-outline-extra
'(("[ \t]*\\\\\\(bib\\)?item\\b" 7)
("\\\\bibliography\\b" 2)))
You may want to check out the unbundled 'out-xtra' package for even
better outline support. It is available from your favorite emacs lisp
archive.

File: auctex.info, Node: Narrowing, Next: Prettifying, Prev: Outline, Up: Display
3.4 Narrowing
=============
Sometimes you want to focus your attention to a limited region of the
code. You can do that by restricting the text addressable by editing
commands and hiding the rest of the buffer with the narrowing functions,
*note (emacs)Narrowing::. In addition, AUCTeX provides a couple of
other commands to narrow the buffer to a group, i.e. a region enclosed
in a pair of curly braces, and to LaTeX environments.
-- Command: TeX-narrow-to-group
('C-x n g') Make text outside current group invisible.
-- Command: LaTeX-narrow-to-environment COUNT
('C-x n e') Make text outside current environment invisible. With
optional argument COUNT keep visible that number of enclosing
environmens.
Like other standard narrowing functions, the above commands are
disabled. Attempting to use them asks for confirmation and gives you
the option of enabling them; if you enable the commands, confirmation
will no longer be required for them.

File: auctex.info, Node: Prettifying, Prev: Narrowing, Up: Display
3.5 Prettifying
===============
Emacs 25 is able to prettify symbols in programming language buffers,
*note (emacs)Misc for Programs::. The canonical example is to display
'(lambda () ...)' as '(λ () ...)' in Lisp buffers.
AUCTeX can use this feature in order to display certain math macros
and greek letters using their Unicode representation, too. For example,
the TeX code '\alpha \times \beta' will be displayed as 'α × β'. When
point is on one of the characters, it'll be unprettified automatically,
meaning you see the verbatim text again. For this behaviour however you
need to set 'prettify-symbols-unprettify-at-point' to t or 'right-edge'
which will unprettify the symbol when point moves into or near it.
To enable prettification in AUCTeX, simply add
'prettify-symbols-mode' to 'TeX-mode-hook'. If you enabled
prettification globally with 'global-prettify-symbols-mode', then it's
automatically enabled in AUCTeX, too.
You can also add custom symbol unicode-character pairs for
prettification by adding to 'tex--prettify-symbols-alist'. Note that
this variable is part of Emacs' stock 'tex-mode.el' and used by that and
AUCTeX.

File: auctex.info, Node: Processing, Next: Customization, Prev: Display, Up: Top
4 Starting Processors, Viewers and Other Programs
*************************************************
The most powerful features of AUCTeX may be those allowing you to run
TeX, LaTeX, ConTeXt and other external commands like BibTeX and
'makeindex' from within Emacs, viewing and printing the results, and
moreover allowing you to _debug_ your documents.
AUCTeX comes with a special tool bar for TeX and LaTeX which provides
buttons for the most important commands. You can enable or disable it
by customizing the options 'plain-TeX-enable-toolbar' and
'LaTeX-enable-toolbar' in the 'TeX-tool-bar' customization group. You
can also customize the buttons by the options 'TeX-bar-TeX-buttons',
'TeX-bar-TeX-all-button-alists', 'TeX-bar-LaTeX-buttons' and
'TeX-bar-LaTeX-button-alist'.
* Menu:
* Commands:: Invoking external commands.
* Viewing:: Invoking external viewers.
* Debugging:: Debugging TeX and LaTeX output.
* Checking:: Checking the document.
* Control:: Controlling the processes.
* Cleaning:: Cleaning intermediate and output files.
* Documentation:: Documentation about macros and packages.

File: auctex.info, Node: Commands, Next: Viewing, Up: Processing
4.1 Executing Commands
======================
Formatting the document with TeX, LaTeX or ConTeXt, viewing with a
previewer, printing the document, running BibTeX, making an index, or
checking the document with 'lacheck' or 'chktex' all require running an
external command.
* Menu:
* Starting a Command:: Starting a Command on a Document or Region
* Selecting a Command:: Selecting and Executing a Command
* Processor Options:: Options for TeX Processors

File: auctex.info, Node: Starting a Command, Next: Selecting a Command, Up: Commands
4.1.1 Starting a Command on a Document or Region
------------------------------------------------
There are two ways to run an external command, you can either run it on
the current document with 'TeX-command-master', or on the current region
with 'TeX-command-region'. A special case of running TeX on a region is
'TeX-command-buffer' which differs from 'TeX-command-master' if the
current buffer is not its own master file.
-- Command: TeX-command-master
('C-c C-c') Query the user for a command, and run it on the master
file associated with the current buffer. The name of the master
file is controlled by the variable 'TeX-master'. The available
commands are controlled by the variable 'TeX-command-list'.
-- Command: TeX-command-region
('C-c C-r') Query the user for a command, and run it on the
contents of the selected region. The region contents are written
into the region file, after extracting the header and trailer from
the master file. If mark is inactive (which can happen with
Transient Mark mode), use the old region. See also the command
'TeX-pin-region' about how to fix a region.
The name of the region file is controlled by the variable
'TeX-region'. The name of the master file is controlled by the
variable 'TeX-master'. The header is all text up to the line
matching the regular expression 'TeX-header-end'. The trailer is
all text from the line matching the regular expression
'TeX-trailer-start'. The available commands are controlled by the
variable 'TeX-command-list'.
-- Command: TeX-command-buffer
('C-c C-b') Query the user for a command, and apply it to the
contents of the current buffer. The buffer contents are written
into the region file, after extracting the header and trailer from
the master file. The command is then actually run on the region
file. See above for details.
-- Command: LaTeX-command-section
('C-c C-z') Query the user for a command, and apply it to the
current section (or part, chapter, subsection, paragraph, or
subparagraph). What makes the current section is determined by
'LaTeX-command-section-level' which can be enlarged/shrunken using
'LaTeX-command-section-change-level' ('C-c M-z'). The given
numeric prefix arg is added to the current value of
'LaTeX-command-section-level'. By default,
'LaTeX-command-section-level' is initialized with the current
document's 'LaTeX-largest-level'. The buffer contents are written
into the region file, after extracting the header and trailer from
the master file. The command is then actually run on the region
file. See 'TeX-command-region' for details.
It is also possible to compile automatically the whole document until
it is ready with a single command: 'TeX-command-run-all'.
-- Command: TeX-command-run-all
('C-c C-a') Compile the current document until an error occurs or
it is finished. If compilation finishes successfully, run the
viewer at the end.
Here are some relevant variables.
-- User Option: TeX-region
The name of the file for temporarily storing the text when
formatting the current region.
-- User Option: TeX-header-end
A regular expression matching the end of the header. By default,
this is '\begin{document}' in LaTeX mode and '%**end of header' in
plain TeX mode.
-- User Option: TeX-trailer-start
A regular expression matching the start of the trailer. By
default, this is '\end{document}' in LaTeX mode and '\bye' in plain
TeX mode.
If you want to change the values of 'TeX-header-end' and
'TeX-trailer-start' you can do this for all files by setting the
variables in a mode hook or per file by specifying them as file
variables (*note (emacs)File Variables::).
-- Command: TeX-pin-region
('C-c C-t C-r') If you don't have a mode like Transient Mark mode
active, where marks get disabled automatically, the region would
need to get properly set before each call to 'TeX-command-region'.
If you fix the current region with 'C-c C-t C-r', then it will get
used for more commands even though mark and point may change. An
explicitly activated mark, however, will always define a new region
when calling 'TeX-command-region'.
If the last process you started was on the region, the commands
described in *note Debugging:: and *note Control:: will work on that
process, otherwise they will work on the process associated with the
current document.
Don't run more than one process at the same time. AUCTeX doesn't
support simultaneous typeset including region typeset. Wait for the
previous process to finish before you start a new process, in particular
when you are editing multiple documents in parallel. This limitation
applies for preview by preview-latex as well.

File: auctex.info, Node: Selecting a Command, Next: Processor Options, Prev: Starting a Command, Up: Commands
4.1.2 Selecting and Executing a Command
---------------------------------------
Once you started the command selection with 'C-c C-c', 'C-c C-r' or 'C-c
C-b' you will be prompted for the type of command. AUCTeX will try to
guess which command is appropriate in the given situation and propose it
as default. Usually this is a processor like 'TeX' or 'LaTeX' if the
document was changed or a viewer if the document was just typeset.
Other commands can be selected in the minibuffer with completion support
by typing <TAB>.
The available commands are defined by the variable
'TeX-command-list'. Per default it includes commands for typesetting
the document (e.g. 'LaTeX'), for viewing the output ('View'), for
printing ('Print'), for generating an index ('Index') or for spell
checking ('Spell') to name but a few. You can also add your own
commands by adding entries to 'TeX-command-list'. Refer to its doc
string for information about its syntax. You might also want to look at
'TeX-expand-list' to learn about the expanders you can use in
'TeX-command-list'.
Note that the default of the variable occasionally changes.
Therefore it is advisable to add to the list rather than overwriting it.
You can do this with a call to 'add-to-list' in your init file. For
example, if you wanted to add a command for running a program called
'foo' on the master or region file, you could do this with the following
form.
(eval-after-load "tex"
'(add-to-list 'TeX-command-list
'("Foo" "foo %s" TeX-run-command t t :help "Run foo")
t))
As mentioned before, AUCTeX will try to guess what command you want
to invoke. If you want to use another command than 'TeX', 'LaTeX' or
whatever processor AUCTeX thinks is appropriate for the current mode,
set the variable 'TeX-command-default'. You can do this for all files
by setting it in a mode hook or per file by specifying it as a file
variable (*note (emacs)File Variables::).
-- User Option: TeX-command-default
The default command to run in this buffer. Must be an entry in
'TeX-command-list'.
In case you use biblatex in a document, when automatic parsing is
enabled AUCTeX checks the value of 'backend' option given to biblatex at
load time to decide whether to use BibTeX or Biber for bibliography
processing. Should AUCTeX fail to detect the right backend, you can use
the file local 'LaTeX-biblatex-use-Biber' variable.
-- Variable: LaTeX-biblatex-use-Biber
If this boolean variable is set as file local, it tells to AUCTeX
whether to use Biber with biblatex. In this case, the
autodetection of the biblatex backend will be overridden. You may
want to set locally this variable if automatic parsing is not
enabled.
After confirming a command to execute, AUCTeX will try to save any
buffers related to the document, and check if the document needs to be
reformatted. If the variable 'TeX-save-query' is non-nil, AUCTeX will
query before saving each file. By default AUCTeX will check emacs
buffers associated with files in the current directory, in one of the
'TeX-macro-private' directories, and in the 'TeX-macro-global'
directories. You can change this by setting the variable
'TeX-check-path'.
-- User Option: TeX-check-path
Directory path to search for dependencies.
If nil, just check the current file. Used when checking if any
files have changed.
When performing spell checking on a document or a region (invoked
through AUCTeX's 'Spell' command or 'M-x ispell <RET>'), you want the
spell checking program to skip certain macro arguments and environments,
most notably the arguments of referencing macros and the contents of
verbatim environments. The skipped parts are controlled by variable
'ispell-tex-skip-alists' provided by 'ispell.el'. AUCTeX has a library
which can be added to this variable depending on the value of
'TeX-ispell-extend-skip-list' which is set to 't' by default.
-- User Option: TeX-ispell-extend-skip-list
This boolean option controls whether AUCTeX activates its extension
for skipping certain macro arguments and environments when spell
checking.
When non-'nil', AUCTeX loads the file 'tex-ispell.el' and adds its
content to 'ispell-tex-skip-alists'. This library can and will
never be complete, but the interface can be used to add selected
and private macro names within your init file or on a file local
basis.
'ispell-tex-skip-alists' has the following structure:
(defvar ispell-tex-skip-alists
'((;; First list
("\\\\addcontentsline" ispell-tex-arg-end 2)
("\\\\\\([aA]lph\\|arabic\\)" ispell-tex-arg-end)
("\\\\makebox" ispell-tex-arg-end 0)
("\\\\documentclass" . "\\\\begin{document}"))
(;; Second list
("\\(figure\\|table\\)\\*?" ispell-tex-arg-end 0)
("list" ispell-tex-arg-end 2)
("verbatim\\*?" . "\\\\end{verbatim\\*?}")))
"Lists of regions to be skipped in TeX mode.
First list is used raw.
Second list has key placed inside \\begin{}.")
Each item is an alist and the structure of it is described in
'ispell-skip-region-alist':
(defvar ispell-skip-region-alist
'((...))
"Alist expressing beginning and end of regions not to spell check.
The alist key must be a regular expression.
Valid forms include:
(KEY) - just skip the key.
(KEY . REGEXP) - skip to the end of REGEXP.
REGEXP may be string or symbol.
(KEY REGEXP) - skip to end of REGEXP. REGEXP must be a string.
(KEY FUNCTION ARGS) - FUNCTION called with ARGS
returns end of region.")
Let's go through the first list of 'ispell-tex-skip-alists' line by
line:
("\\\\addcontentsline" ispell-tex-arg-end 2)
'KEY' is the string '"\\\\addcontentsline"', 'FUNCTION' is
'ispell-tex-arg-end' called with 'ARGS', here '2'.
'ispell-tex-arg-end' is a function provided by 'ispell.el' which
skips as many subsequent optional arguments in square brackets as
it sees and then skips 'ARGS' number of mandatory arguments in
braces. Omitting 'ARGS' means skip '1' mandatory argument. In
practice, when you have something like this in your document:
\addcontentsline{toc}{chapter}{Some text}
The first two arguments are left out and 'Some text' will be spell
checked. For the next line
("\\\\\\([aA]lph\\|arabic\\)" ispell-tex-arg-end)
the name of the counter as argument is skipped. Next line is
("\\\\makebox" ispell-tex-arg-end 0)
where only optional arguments are skipped, the first mandatory
argument is checked, e.g.
\makebox[0pt][l]{Some text}
Finally, the next line
("\\\\documentclass" . "\\\\begin{document}"))
ensures that the entire preamble of a document is discarded.
Second list works the same; it is more convenient for environments
since 'KEY' is wrapped inside '\begin{}'.
AUCTeX provides two functions to add items to car and cdr of
'ispell-tex-arg-end', namely 'TeX-ispell-skip-setcar' and
'TeX-ispell-skip-setcdr'. The argument of these functions is
exactly as in 'ispell-tex-skip-alists'. Additions can be done via
init file, e.g.:
(eval-after-load "tex-ispell"
'(progn
(TeX-ispell-skip-setcar
'(("\\\\mymacro" ispell-tex-arg-end)))
(TeX-ispell-skip-setcdr
'(("myverbatim" . "\\\\end{myverbatim}")))))
Another possibility is to use file local additions at the end of
your TeX file, e.g.:
%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% eval: (TeX-ispell-skip-setcar '(("\\\\mymacro" . "{[-0-9]+}")))
%%% End:
Finally, AUCTeX provides a function called 'TeX-ispell-tex-arg-end'
which sees more arguments than 'ispell-tex-arg-end'. Refer to its
doc string for more information.
AUCTeX also provides a facility to skip the argument of in-line
verbatim macros like '\Verb' from 'fancyvrb.sty' or '\mintinline' from
'minted.sty'. Characters delimiting the verbatim text are stored in
'TeX-ispell-verb-delimiters'.
-- User Option: TeX-ispell-verb-delimiters
String with delimiters recognized for in-line verbatim macros.
This variable is initialized to '!|#~"*/+^-'. Since this string is
used to build a character alternative inside a regular expression,
special characters '^' and '-' should come last. Other characters
like opening brace '{', asterisk '*' or at sign '@' should be
avoided as they are not recognized by 'font-latex.el'.

File: auctex.info, Node: Processor Options, Prev: Selecting a Command, Up: Commands
4.1.3 Options for TeX Processors
--------------------------------
There are some options you can customize affecting which processors are
invoked or the way this is done and which output they produce as a
result. These options control if DVI or PDF output should be produced,
if TeX should be started in interactive or nonstop mode, if source
specials or a SyncTeX file should be produced for making inverse and
forward search possible or which TeX engine should be used instead of
regular TeX, like PDFTeX, Omega or XeTeX, and the style error messages
are printed with.
-- Command: TeX-PDF-mode
('C-c C-t C-p') This command toggles the PDF mode of AUCTeX, a
buffer-local minor mode which is enabled by default. You can
customize 'TeX-PDF-mode' to give it a different default or set it
as a file local variable on a per-document basis. This option
usually results in calling either PDFTeX or ordinary TeX.
-- User Option: TeX-DVI-via-PDFTeX
If this is set, DVI will also be produced by calling PDFTeX,
setting '\pdfoutput=0'. This makes it possible to use PDFTeX
features like character protrusion even when producing DVI files.
Contemporary TeX distributions do this anyway, so that you need not
enable the option within AUCTeX.
-- Command: TeX-interactive-mode
('C-c C-t C-i') This command toggles the interactive mode of
AUCTeX, a global minor mode. You can customize
'TeX-interactive-mode' to give it a different default. In
interactive mode, TeX will pause with an error prompt when errors
are encountered and wait for the user to type something.
-- Command: TeX-source-correlate-mode
('C-c C-t C-s') Toggles support for forward and inverse search.
Forward search refers to jumping to the place in the previewed
document corresponding to where point is located in the document
source and inverse search to the other way round. *Note I/O
Correlation::.
You can permanently activate 'TeX-source-correlate-mode' by
customizing the variable 'TeX-source-correlate-mode'. There is a
bunch of customization options for the mode, use 'M-x
customize-group <RET> TeX-view <RET>' to find out more.
AUCTeX is aware of three different means to do I/O correlation:
source specials (only DVI output), the pdfsync LaTeX package (only
PDF output) and SyncTeX. The choice between source specials and
SyncTeX can be controlled with the variable
'TeX-source-correlate-method'.
Should you use source specials it has to be stressed _very_
strongly however, that source specials can cause differences in
page breaks and spacing, can seriously interfere with various
packages and should thus _never_ be used for the final version of a
document. In particular, fine-tuning the page breaks should be
done with source specials switched off.
Sometimes you are requested, by journal rules or packages, to compile
the document into DVI output. Thus, if you want a PDF document in the
end you can either use XeTeX engine, see below for information about how
to set engines, or compile the document with 'tex' and then convert to
PDF with 'dvips'-'ps2pdf' before viewing it. In addition, current
Japanese TeX engines cannot generate PDF directly so they rely on
DVI-to-PDF converters. Usually 'dvipdfmx' command is used for this
purpose. You can use the 'TeX-PDF-from-DVI' variable to let AUCTeX know
you want to generate the final PDF by converting a DVI file.
-- User Option: TeX-PDF-from-DVI
This option controls if and how to produce a PDF file by converting
a DVI file.
When 'TeX-PDF-mode' is non-nil, if 'TeX-PDF-from-DVI' is non-nil
too the document is compiled to DVI instead of PDF. When the
document is ready, 'C-c C-c' will suggest to run the converter to
PDF or an intermediate format.
If non-nil, 'TeX-PDF-from-DVI' should be the name of the command in
'TeX-command-list', as a string, used to convert the DVI file to
PDF or to an intermediate format. Values currently supported are:
* '"Dvips"': the DVI file is converted to PS with 'dvips'.
After successfully running it, 'ps2pdf' will be the default
command to convert the PS file to PDF.
* '"Dvipdfmx"': the DVI file is converted to PDF with
'dvipdfmx'.
(case is significant; note the uppercase 'D' in both strings) When
the PDF file is finally ready, the next suggested command will be
'View' to open the viewer.
This option can also be set as a file local variable, in order to
use this conversion on a per-document basis.
Recall the whole sequence of 'C-c C-c' commands can be replaced by
the single 'C-c C-a'.
AUCTeX also allows you to easily select different TeX engines for
processing, either by using the entries in the 'TeXing Options' submenu
below the 'Command' menu or by calling the function 'TeX-engine-set'.
These eventually set the variable 'TeX-engine' which you can also modify
directly.
-- User Option: TeX-engine
This variable allows you to choose which TeX engine should be used
for typesetting the document, i.e. the executables which will be
used when you invoke the 'TeX' or 'LaTeX' commands. The value
should be one of the symbols defined in 'TeX-engine-alist-builtin'
or 'TeX-engine-alist'. The symbols 'default', 'xetex', 'luatex'
and 'omega' are available from the built-in list.
Note that 'TeX-engine' is buffer-local, so setting the variable
directly or via the above mentioned menu or function will not take
effect in other buffers. If you want to activate an engine for all
AUCTeX modes, set 'TeX-engine' in your init file, e.g. by using 'M-x
customize-option <RET>'. If you want to activate it for a certain
AUCTeX mode only, set the variable in the respective mode hook. If you
want to activate it for certain files, set it through file variables
(*note (emacs)File Variables::).
Should you need to change the executable names related to the
different engine settings, there are some variables you can tweak.
Those are 'TeX-command', 'LaTeX-command', 'TeX-Omega-command',
'LaTeX-Omega-command', 'ConTeXt-engine' and 'ConTeXt-Omega-engine'. The
rest of the executables is defined directly in
'TeX-engine-alist-builtin'. If you want to override an entry from that,
add an entry to 'TeX-engine-alist' that starts with the same symbol as
that the entry in the built-in list and specify the executables you want
to use instead. You can also add entries to 'TeX-engine-alist' in order
to add support for engines not covered per default.
-- User Option: TeX-engine-alist
Alist of TeX engines and associated commands. Each entry is a list
with a maximum of five elements. The first element is a symbol
used to identify the engine. The second is a string describing the
engine. The third is the command to be used for plain TeX. The
fourth is the command to be used for LaTeX. The fifth is the
command to be used for the '--engine' parameter of ConTeXt's
'texexec' program. Each command can either be a variable or a
string. An empty string or nil means there is no command
available.
In some systems, Emacs cannot inherit the 'PATH' environment variable
from the shell and thus AUCTeX may not be able to run TeX commands.
Before running them, AUCTeX checks if it is able to find those commands
and will warn you in case it fails. You can skip this test by changing
the option 'TeX-check-TeX'.
-- User Option: TeX-check-TeX
If non-nil, AUCTeX will check if it is able to find a working TeX
distribution before running TeX, LaTeX, ConTeXt, etc. It actually
checks if can run 'TeX-command' command or the shell returns a
command not found error. The error code returned by the shell in
this case can be set in 'TeX-check-TeX-command-not-found' option.
Some LaTeX packages requires the document to be compiled with a
specific engine. Notable examples are 'fontspec' and 'polyglossia'
packages, which require LuaTeX and XeTeX engines. If you try to compile
a document which loads one of such packages and the set engine is not
one of those allowed you will be asked to select a different engine
before running the LaTeX command. If you do not want to be warned by
AUCTeX in these cases, customize the option 'TeX-check-engine'.
-- User Option: TeX-check-engine
This boolean option controls whether AUCTeX should check the
correct engine has been set before running LaTeX commands.
As shown above, AUCTeX handles in a special way most of the main
options that can be given to the TeX processors. When you need to pass
to the TeX processor arbitrary options not handled by AUCTeX, you can
use the file local variable 'TeX-command-extra-options'.
-- User Option: TeX-command-extra-options
String with the extra options to be given to the TeX processor.
For example, if you need to enable the shell escape feature to
compile a document, add the following line to the list of local
variables of the source file:
%%% TeX-command-extra-options: "-shell-escape"
By default this option is not safe as a file-local variable because
a specially crafted document compiled with shell escape enabled can
be used for malicious purposes.
You can customize AUCTeX to show the processor output as it is
produced.
-- User Option: TeX-show-compilation
If non-nil, the output of TeX compilation is shown in another
window.
You can instruct TeX to print error messages in the form
'file:line:error' which is similar to the way many compilers format
them.
-- User Option: TeX-file-line-error
If non-nil, TeX will produce 'file:line:error' style error
messages.
ConTeXt users can choose between Mark II and Mark IV versions. This
is controlled by 'ConTeXt-Mark-version' option.
-- User Option: ConTeXt-Mark-version
This variables specifies which version of Mark should be used.
Values currently supported are '"II"', the default, and '"IV"'. It
can be set globally using customization interface or on a per-file
basis, by specifying it as a file variable.

File: auctex.info, Node: Viewing, Next: Debugging, Prev: Commands, Up: Processing
4.2 Viewing the Formatted Output
================================
AUCTeX allows you to start external programs for previewing the
formatted output of your document.
* Menu:
* Starting Viewers:: Starting viewers
* I/O Correlation:: Forward and inverse search

File: auctex.info, Node: Starting Viewers, Next: I/O Correlation, Up: Viewing
4.2.1 Starting Viewers
----------------------
Viewers are normally invoked by pressing 'C-c C-c' once the document is
formatted, which will propose the 'View' command, or by activating the
respective entry in the Command menu. Alternatively you can type 'C-c
C-v' which calls the function 'TeX-view'.
-- Command: TeX-view
('C-c C-v') Start a viewer without confirmation. The viewer is
started either on a region or the master file, depending on the
last command issued. This is especially useful for jumping to the
location corresponding to point in the viewer when using
'TeX-source-correlate-mode'.
AUCTeX will try to guess which type of viewer (DVI, PostScript or
PDF) has to be used and what options are to be passed over to it. This
decision is based on the output files present in the working directory
as well as the class and style options used in the document. For
example, if there is a DVI file in your working directory, a DVI viewer
will be invoked. In case of a PDF file it will be a PDF viewer. If you
specified a special paper format like 'a5paper' or use the 'landscape'
option, this will be passed to the viewer by the appropriate options.
Especially some DVI viewers depend on this kind of information in order
to display your document correctly. In case you are using 'pstricks' or
'psfrag' in your document, a DVI viewer cannot display the contents
correctly and a PostScript viewer will be invoked instead.
The association between the tests for the conditions mentioned above
and the viewers is made in the variable 'TeX-view-program-selection'.
Therefore this variable is the starting point for customization if you
want to use other viewers than the ones suggested by default.
-- User Option: TeX-view-program-selection
This is a list of predicates and viewers which is evaluated from
front to back in order to find out which viewer to call under the
given conditions. In the first element of each list item you can
reference one or more predicates defined in
'TeX-view-predicate-list' or 'TeX-view-predicate-list-builtin'. In
the second element you can reference a viewer defined in
'TeX-view-program-list' or 'TeX-view-program-list-builtin'. The
viewer of the first item with a positively evaluated predicate is
selected.
So 'TeX-view-program-selection' only contains references to the
actual implementations of predicates and viewer commands respectively
which can be found elsewhere. AUCTeX comes with a set of preconfigured
predicates and viewer commands which are stored in the variables
'TeX-view-predicate-list-builtin' and 'TeX-view-program-list-builtin'
respectively. If you are not satisfied with those and want to overwrite
one of them or add your own definitions, you can do so via the variables
'TeX-view-predicate-list' and 'TeX-view-program-list'.
-- User Option: TeX-view-predicate-list
This is a list of predicates for viewer selection and invocation.
The first element of each list item is a symbol and the second
element a Lisp form to be evaluated. The form should return nil if
the predicate is not fulfilled.
A built-in predicate from 'TeX-view-predicate-list-builtin' can be
overwritten by defining a new predicate with the same symbol.
-- User Option: TeX-view-program-list
This is a list of viewer specifications each consisting of a
symbolic name and either a command line or a function to be invoked
when the viewer is called. If a command line is used, parts of it
can be conditionalized by prefixing them with predicates from
'TeX-view-predicate-list' or 'TeX-view-predicate-list-builtin'.
(See the doc string for the exact format to use.) The command line
can also contain placeholders as defined in 'TeX-expand-list' and
'TeX-expand-list-builtin' which are expanded before the viewer is
called.
The third element of each item is a string, or a list of strings,
with the name of the executable, or executables, needed to open the
output file in the viewer. Placeholders defined in
'TeX-expand-list' and 'TeX-expand-list-builtin' can be used here.
This element is optional and is used to check whether the viewer is
actually available on the system.
A built-in viewer spec from 'TeX-view-program-list-builtin' can be
overwritten by defining a new viewer spec with the same name.
After the viewer is called via either the 'View' command or the key
stroke 'C-c C-v', the window system focus goes and stays on the viewer.
If you prefer that the focus is pulled back to Emacs immediately after
that and you are using evince-compatible viewer, customize the option
'TeX-view-enince-keep-focus'.
-- User Option: TeX-view-evince-keep-focus
When this option is non-nil and the viewer is compatible with
evince, the focus is pulled back to Emacs immediately after the
viewer is invoked or refreshed from within AUCTeX.
Note that the viewer selection and invocation as described above will
only work if certain default settings in AUCTeX are intact. For one,
the whole viewer selection machinery will only be triggered if there is
no '%V' expander in 'TeX-expand-list'. So if you have trouble with the
viewer invocation you might check if there is an older customization of
the variable in place. In addition, the use of a function in
'TeX-view-program-list' only works if the 'View' command in
'TeX-command-list' makes use of the hook 'TeX-run-discard-or-function'.

File: auctex.info, Node: I/O Correlation, Prev: Starting Viewers, Up: Viewing
4.2.2 Forward and Inverse Search
--------------------------------
Forward and inverse search refer to the correlation between the document
source in the editor and the typeset document in the viewer. Forward
search allows you to jump to the place in the previewed document
corresponding to a certain line in the document source and inverse
search vice versa.
AUCTeX supports three methods for forward and inverse search: source
specials (only DVI output), the pdfsync LaTeX package (only PDF output)
and SyncTeX (any type of output). If you want to make use of forward
and inverse searching with source specials or SyncTeX, switch on
'TeX-source-correlate-mode'. *Note Processor Options::, on how to do
that. The use of the pdfsync package is detected automatically if
document parsing is enabled. Customize the variable
'TeX-source-correlate-method' to select the method to use.
-- User Option: TeX-source-correlate-method
Method to use for enabling forward and inverse search. This can be
'source-specials' if source specials should be used, 'synctex' if
SyncTeX should be used, or 'auto' if AUCTeX should decide.
When the variable is set to 'auto', AUCTeX will always use SyncTeX
if your 'latex' processor supports it, source specials otherwise.
You must make sure your viewer supports the same method.
It is also possible to specify a different method depending on the
output, either DVI or PDF, by setting the variable to an alist of
the kind
((dvi . '<source-specials or synctex>')
(pdf . '<source-specials or synctex>'))
in which the CDR of each entry is a symbol specifying the method to
be used in the corresponding mode. The default value of the
variable is
((dvi . source-specials)
(pdf . synctex))
which is compatible with the majority of viewers.
Forward search happens automatically upon calling the viewer, e.g. by
typing 'C-c C-v' ('TeX-view'). This will open the viewer or bring it to
front and display the output page corresponding to the position of point
in the source file. AUCTeX will automatically pass the necessary
command line options to the viewer for this to happen.
You can also make special mouse event do forward search at the
clicked position. Use 'TeX-source-correlate-map'(1) and
'TeX-view-mouse' like this:
(eval-after-load "tex"
'(define-key TeX-source-correlate-map [C-down-mouse-1]
#'TeX-view-mouse))
This example binds 'C-down-mouse-1', which usually opens a concise
menu to select buffer, to the command to do forward search.
Upon opening the viewer you will be asked if you want to start a
server process (Gnuserv or Emacs server) which is necessary for inverse
search. This happens only if there is no server running already. You
can customize the variable 'TeX-source-correlate-start-server' to
inhibit the question and always or never start the server respectively.
-- User Option: TeX-source-correlate-start-server
If 'TeX-source-correlate-mode' is active and a viewer is invoked,
the default behavior is to ask if a server process should be
started. Set this variable to 't' if the question should be
inhibited and the server should always be started. Set it to 'nil'
if the server should never be started. Inverse search will not be
available in the latter case.
Inverse search, i.e. jumping to the part of your document source in
Emacs corresponding to a certain position in the viewer, is triggered
from the viewer, typically by a mouse click. Refer to the documentation
of your viewer to find out how it has to be configured and what you have
to do exactly. In xdvi you normally have to use 'C-down-mouse-1'.
Note that inverse search with the Evince PDF viewer or its MATE fork
Atril might fail in raising the Emacs frame after updating point in your
document's buffer. There is simply no way to raise the Emacs frame
reliably accross different operating systems and different window
managers with their different focus stealing policies. If the Emacs
frame is not raised after performing an inverse search from Evince or
Atril, you can customize the following option.
-- User Option: TeX-raise-frame-function
A function that will be called after performing an inverse search
from Evince or Atril in order to raise the current Emacs frame.
If your Emacs frame is already raised in that situation, just leave
this variable set to its default value 'raise-frame'. Otherwise,
here are some alternative settings that work for some users.
;; Alternative 1: For some users, `x-focus-frame' works.
(setq TeX-raise-frame-function #'x-focus-frame)
;; Alternative 2: Under GNOME 3.20 (and probably others), it
;; seems some focus stealing prevention policy prohibits that
;; some window gets the focus immediately after the user has
;; clicked in some other window. Here waiting a bit before
;; issuing the request seems to work.
(setq TeX-raise-frame-function
(lambda ()
(run-at-time 0.5 nil #'x-focus-frame)))
;; Alternative 3: Use the external wmctrl tool in order to
;; force Emacs into the focus.
(setq TeX-raise-frame-function
(lambda ()
(call-process
"wmctrl" nil nil nil "-i" "-R"
(frame-parameter (selected-frame) 'outer-window-id))))
---------- Footnotes ----------
(1) The keymap name is 'TeX-source-correlate-map', not
'TeX-source-correlate-mode-map'. Actually, this keymap isn't
implemented as minor mode map of 'TeX-source-correlate-mode', in order
that its bindings don't affect buffers outside of AUCTeX.

File: auctex.info, Node: Debugging, Next: Checking, Prev: Viewing, Up: Processing
4.3 Catching the errors
=======================
Once you've formatted your document you may 'debug' it, i.e. browse
through the errors (La)TeX reported. You may also have a look at a
nicely formatted list of all errors and warnings reported by the
compiler.
-- Command: TeX-next-error ARG REPARSE
('C-c `') Go to the next error reported by TeX. The view will be
split in two, with the cursor placed as close as possible to the
error in the top view. In the bottom view, the error message will
be displayed along with some explanatory text.
An optional numeric ARG, positive or negative, specifies how many
error messages to move. A negative ARG means to move back to
previous error messages, see also 'TeX-previous-error'.
The optional REPARSE argument makes AUCTeX reparse the error
message buffer and start the debugging from the first error. This
can also be achieved by calling the function with a prefix argument
('C-u').
-- Command: TeX-previous-error ARG
('M-g p') Go to the previous error reported by TeX. An optional
numeric ARG specifies how many error messages to move backward.
This is like calling 'TeX-next-error' with a negative argument.
The command 'TeX-previous-error' works only if AUCTeX can parse the
whole TeX log buffer. This is controlled by the 'TeX-parse-all-errors'
variable.
-- User Option: TeX-parse-all-errors
If t, AUCTeX automatically parses the whole output log buffer right
after running a TeX command, in order to collect all warnings and
errors. This makes it possible to navigate back and forth between
the error messages using 'TeX-next-error' and 'TeX-previous-error'.
This is the default. If nil, AUCTeX does not parse the whole
output log buffer and 'TeX-previous-error' cannot be used.
As default, AUCTeX will display a special help buffer containing the
error reported by TeX along with the documentation. There is however an
'expert' option, which allows you to display the real TeX output.
-- User Option: TeX-display-help
If t AUCTeX will automatically display a help text whenever an
error is encountered using 'TeX-next-error' ('C-c `'). If nil a
terse information about the error is displayed in the echo area.
If 'expert' AUCTeX will display the output buffer with the raw TeX
output.
* Menu:
* Ignoring warnings:: Controlling warnings to be reported
* Error overview:: List of all errors and warnings

File: auctex.info, Node: Ignoring warnings, Next: Error overview, Up: Debugging
4.3.1 Controlling warnings to be reported
-----------------------------------------
Normally AUCTeX will only report real errors, but you may as well ask it
to report 'bad boxes' and warnings as well.
-- Command: TeX-toggle-debug-bad-boxes
('C-c C-t C-b') Toggle whether AUCTeX should stop at bad boxes
(i.e. overfull and underfull boxes) as well as normal errors. The
boolean option 'TeX-debug-bad-boxes' is set accordingly.
-- Command: TeX-toggle-debug-warnings
('C-c C-t C-w') Toggle whether AUCTeX should stop at warnings as
well as normal errors. The boolean option 'TeX-debug-warnings' is
set accordingly.
While many users desire to have warnings reported after compilation,
there are certain warnings that are considered unimportant and users
want to ignore them. For a more fine-grained control of what kinds of
warnings should be shown after compilation, AUCTeX provides other
options.
-- User Option: TeX-ignore-warnings
Controls which warnings are to be ignored.
It can be a regexp matching the message of the warnings to be
ignored.
More advanced users can set also this option to a symbol with the
name of a custom function taking as arguments all the information
of the warning listed in 'TeX-error-list' variable, except the last
one about whether to ignore the warning. See the code of
'TeX-warning' function and the documentation of 'TeX-error-list'
for more details.
-- Command: TeX-toggle-suppress-ignored-warnings
('C-c C-t C-x') Toggle whether AUCTeX should actually hide the
ignored warnings specified with 'TeX-ignore-warnings'. The boolean
option 'TeX-suppress-ignored-warnings' is set accordingly. If this
is nil, all warnings are shown, even those matched by
'TeX-ignore-warnings', otherwise these are hidden.
Note that 'TeX-debug-warnings' takes the precedence: if it is nil,
all warnings are hidden in any case.

File: auctex.info, Node: Error overview, Prev: Ignoring warnings, Up: Debugging
4.3.2 List of all errors and warnings
-------------------------------------
When the option 'TeX-parse-all-errors' is non-nil, you will be also able
to open an overview of all errors and warnings reported by the TeX
compiler.
-- Command: TeX-error-overview
Show an overview of the errors and warnings occurred in the last
TeX run.
In this window you can visit the error on which point is by
pressing <RET>, and visit the next or previous issue by pressing
<n> or <p> respectively. A prefix argument to these keys specifies
how many errors to move forward or backward. You can visit an
error also by clicking on its message. Jump to error point in the
source code with <j>, and use <l> see the error in the log buffer.
In addition, you can toggle visibility of bad boxes, generic
warnings, and ignored warnings with <b>, <w>, and <x>, respectively
(see *note Ignoring warnings:: for details). Press <q> to quit the
overview.
-- User Option: TeX-error-overview-open-after-TeX-run
When this boolean variable is non-nil, the error overview will be
automatically opened after running TeX if there are errors or
warnings to show.
The error overview is opened in a new window of the current frame by
default, but you can change this behavior by customizing the option
'TeX-error-overview-setup'.
-- User Option: TeX-error-overview-setup
Controls the frame setup of the error overview. The possible value
is: 'separate-frame'; with a nil value the current frame is used
instead.
The parameters of the separate frame can be set with the
'TeX-error-overview-frame-parameters' option.
If the display does not support multi frame, the current frame will
be used regardless of the value of this variable.

File: auctex.info, Node: Checking, Next: Control, Prev: Debugging, Up: Processing
4.4 Checking for problems
=========================
Running TeX or LaTeX will only find regular errors in the document, not
examples of bad style. Furthermore, description of the errors may often
be confusing. The utilities 'lacheck' and 'chktex' can be used to find
style errors, such as forgetting to escape the space after an
abbreviation or using '...' instead of '\ldots' and other similar
problems. You start 'lacheck' with 'C-c C-c Check <RET>' and 'chktex'
with 'C-c C-c ChkTeX <RET>'. The result will be a list of errors in the
'*compilation*' buffer. You can go through the errors with 'C-x `'
('next-error', *note (emacs)Compilation::), which will move point to the
location of the next error.
Alternatively, you may want in-buffer notation. AUCTeX provides
support for this using the Flymake package in Emacs 26 or newer (*note
(Flymake)Using Flymake:: for details). To enable, call 'M-x
flymake-mode <RET>' in the buffer or enable it in all buffers by adding
this to your init file:
(add-hook 'LaTeX-mode-hook #'flymake-mode)
Note that AUCTeX currently only provides support for using 'chktex'
as the flymake backend.
Each of the two utilities 'lacheck' and 'chktex' will find some
errors the other doesn't, but 'chktex' is more configurable, allowing
you to create your own errors. You may need to install the programs
before using them. You can get 'lacheck' from
URL:<https://www.ctan.org/pkg/lacheck> and 'chktex' from
URL:<https://www.ctan.org/pkg/chktex>. TeX Live contains both.

File: auctex.info, Node: Control, Next: Cleaning, Prev: Checking, Up: Processing
4.5 Controlling the output
==========================
A number of commands are available for controlling the output of an
application running under AUCTeX
-- Command: TeX-kill-job
('C-c C-k') Kill currently running external application. This may
be either of TeX, LaTeX, previewer, BibTeX, etc.
-- Command: TeX-recenter-output-buffer
('C-c C-l') Recenter the output buffer so that the bottom line is
visible.
-- Command: TeX-home-buffer
('C-c ^') Go to the 'master' file in the document associated with
the current buffer, or if already there, to the file where the
current process was started.
Additionally, output files produced by AUCTeX can be placed in a
separate directory.
-- User Option: TeX-output-dir
Set this option to the path of a directory where output files will
be placed. The output files include those that are produced by
applications running under AUCTeX, temporary files related to
region processing and the preview-latex files. If a relative path
is specified, it is interpreted as being relative to the master
file in a mutlifile document.
This is a buffer local variable and must be set separately for all
documents and all files in a multifile document. For example,
%%% Local Variables:
%%% mode: latex
%%% TeX-output-dir: "build"
%%% End:
Alternatively, you may use 'setq-default' to set the default value
of this option or set it as a directory local variable (*note
(emacs)Directory Variables::).
Note that a non-nil value of 'TeX-output-dir' might be incompatible
with some TeX commands and macros. In particular, the LaTeX macro
'\include' is known to not work with this option. Some TeX
packages which produce intermediary files might also be
incompatible. A possible workaround for those packages is to
append the value of 'TeX-output-dir' to the environment variables
'TEXINPUTS' and 'BIBINPUTS'.

File: auctex.info, Node: Cleaning, Next: Documentation, Prev: Control, Up: Processing
4.6 Cleaning intermediate and output files
==========================================
-- Command: TeX-clean
Remove generated intermediate files. In case a prefix argument is
given, remove output files as well.
Canonical access to the function is provided by the 'Clean' and
'Clean All' entries in 'TeX-command-list', invokable with 'C-c C-c'
or the Command menu.
The patterns governing which files to remove can be adapted
separately for each AUCTeX mode by means of the following
variables:
* 'plain-TeX-clean-intermediate-suffixes'
* 'plain-TeX-clean-output-suffixes'
* 'LaTeX-clean-intermediate-suffixes'
* 'LaTeX-clean-output-suffixes'
* 'docTeX-clean-intermediate-suffixes'
* 'docTeX-clean-output-suffixes'
* 'Texinfo-clean-intermediate-suffixes'
* 'Texinfo-clean-output-suffixes'
* 'ConTeXt-clean-intermediate-suffixes'
* 'ConTeXt-clean-output-suffixes'
* 'AmSTeX-clean-intermediate-suffixes'
* 'AmSTeX-clean-output-suffixes'
-- User Option: TeX-clean-confirm
Control if deletion of intermediate and output files has to be
confirmed before it is actually done. If non-nil, ask before
deleting files.

File: auctex.info, Node: Documentation, Prev: Cleaning, Up: Processing
4.7 Documentation about macros and packages
===========================================
-- Command: TeX-documentation-texdoc
('C-c ?') Get documentation about the packages installed on your
system, using 'texdoc' to find the manuals. The function will
prompt for the name of packages. If point is on a word, this will
be suggested as default.
If the command is called with a prefix argument, you will be shown
a list of manuals of the given package among to choose.
The command can be invoked by the key binding mentioned above as
well as the 'Find Documentation...' entry in the mode menu.

File: auctex.info, Node: Customization, Next: Appendices, Prev: Processing, Up: Top
5 Customization and Extension
*****************************
* Menu:
* Modes and Hooks:: Modes and Hooks
* Multifile:: Multifile Documents
* Parsing Files:: Automatic Parsing of TeX Files
* Internationalization:: Language Support
* Automatic:: Automatic Customization
* Style Files:: Writing Your Own Style Support

File: auctex.info, Node: Modes and Hooks, Next: Multifile, Up: Customization
5.1 Modes and Hooks
===================
AUCTeX supports a wide variety of derivatives and extensions of TeX.
Besides plain TeX those are LaTeX, AMS-TeX, ConTeXt, Texinfo and docTeX.
For each of them there is a separate major mode in AUCTeX and each major
mode runs 'text-mode-hook', 'TeX-mode-hook' as well as a hook special to
the mode in this order. (As an exception, Texinfo mode does not run
'TeX-mode-hook'.) The following table provides an overview of the
respective mode functions and hooks.
Type Mode function Hook
-------------------------------------------------------
Plain TeX 'plain-tex-mode' 'plain-TeX-mode-hook'
LaTeX 'latex-mode' 'LaTeX-mode-hook'
AMS-TeX 'ams-tex-mode' 'AmS-TeX-mode-hook'
ConTeXt 'context-mode' 'ConTeXt-mode-hook'
Texinfo 'texinfo-mode' 'Texinfo-mode-hook'
DocTeX 'doctex-mode' 'docTeX-mode-hook'
If you need to make a customization via a hook which is only relevant
for one of the modes listed above, put it into the respective mode hook,
if it is relevant for any AUCTeX mode, add it to 'TeX-mode-hook' and if
it is relevant for all text modes, append it to 'text-mode-hook'.
Other useful hooks are listed below.
-- Variable: TeX-after-compilation-finished-functions
Hook which is run after the TeX/LaTeX processor has successfully
finished compiling your document. (*Note Processing::, for finding
out how to compile your document.) Each function in the hook is
run with the compiled output document as its argument.
This is useful for automatically refreshing the viewer after
re-compilation especially when using Emacs viewers such as DocView
or PDF Tools. The function 'TeX-revert-document-buffer' can be
added to the hook for this purpose.

File: auctex.info, Node: Multifile, Next: Parsing Files, Prev: Modes and Hooks, Up: Customization
5.2 Multifile Documents
=======================
You may wish to spread a document over many files (as you are likely to
do if there are multiple authors, or if you have not yet discovered the
power of the outline commands (*note Outline::)). This can be done by
having a "master" file in which you include the various files with the
TeX macro '\input' or the LaTeX macro '\include'. These files may also
include other files themselves. However, to format the document you
must run the commands on the top level master file.
When you, for example, ask AUCTeX to run a command on the master
file, it has no way of knowing the name of the master file. By default,
it will assume that the current file is the master file. If you insert
the following in your init file ('init.el' or '.emacs'), AUCTeX will use
a more advanced algorithm.
(setq-default TeX-master nil) ; Query for master file.
In this case, AUCTeX will ask for the name of the master file
associated with the buffer. To avoid asking you again, AUCTeX will
automatically insert the name of the master file as a file variable
(*note (emacs)File Variables::). You can also insert the file variable
yourself, by putting the following text at the end of your files.
%%% Local Variables:
%%% TeX-master: "master"
%%% End:
You should always set this variable to the name of the top level
document. If you always use the same name for your top level documents,
you can set 'TeX-master' in your init file such as 'init.el' or
'.emacs'.
(setq-default TeX-master "master") ; All master files called "master".
-- User Option: TeX-master
The master file associated with the current buffer. If the file
being edited is actually included from another file, then you can
tell AUCTeX the name of the master file by setting this variable.
If there are multiple levels of nesting, specify the top level
file.
If this variable is 'nil', AUCTeX will query you for the name.
If the variable is 't', then AUCTeX will assume the file is a
master file itself.
If the variable is 'shared', then AUCTeX will query for the name,
but will not change the file.
If the variable is 'dwim', AUCTeX will try to avoid querying by
attempting to "do what I mean"; and then change the file.
-- User Option: TeX-one-master
Regular expression matching ordinary TeX files.
You should set this variable to match the name of all files, for
which it is a good idea to append a 'TeX-master' file variable
entry automatically. When AUCTeX adds the name of the master file
as a file variable, it does not need to ask next time you edit the
file.
If you dislike AUCTeX automatically modifying your files, you can
set this variable to '"<none>"'. By default, AUCTeX will modify
any file with an extension of '.tex', '.texi' or '.dtx'.
-- Command: TeX-master-file-ask
('C-c _') Query for the name of a master file and add the
respective File Variables (*note (emacs)File Variables::) to the
file for setting this variable permanently.
AUCTeX will not ask for a master file when it encounters existing
files. This function shall give you the possibility to insert the
variable manually.
AUCTeX keeps track of macros, environments, labels, and style files
that are used in a given document. For this to work with multifile
documents, AUCTeX has to have a place to put the information about the
files in the document. This is done by having an 'auto' subdirectory
placed in the directory where your document is located. Each time you
save a file, AUCTeX will write information about the file into the
'auto' directory. When you load a file, AUCTeX will read the
information in the 'auto' directory about the file you loaded _and the
master file specified by 'TeX-master'_. Since the master file (perhaps
indirectly) includes all other files in the document, AUCTeX will get
information from all files in the document. This means that you will
get from each file, for example, completion for all labels defined
anywhere in the document.
AUCTeX will create the 'auto' directory automatically if
'TeX-auto-save' is non-'nil'. Without it, the files in the document
will not know anything about each other, except for the name of the
master file. *Note Automatic Local::.
-- Command: TeX-save-document
('C-c C-d') Save all buffers known to belong to the current
document.
-- User Option: TeX-save-query
If non-nil, then query the user before saving each file with
'TeX-save-document'.

File: auctex.info, Node: Parsing Files, Next: Internationalization, Prev: Multifile, Up: Customization
5.3 Automatic Parsing of TeX Files
==================================
AUCTeX depends heavily on being able to extract information from the
buffers by parsing them. Since parsing the buffer can be somewhat slow,
the parsing is initially disabled. You are encouraged to enable them by
adding the following lines to your init file such as 'init.el' or
'.emacs'.
(setq TeX-parse-self t) ; Enable parse on load.
(setq TeX-auto-save t) ; Enable parse on save.
The latter command will make AUCTeX store the parsed information in
an 'auto' subdirectory in the directory each time the TeX files are
stored, *note Automatic Local::. If AUCTeX finds the pre-parsed
information when loading a file, it will not need to reparse the buffer.
The information in the 'auto' directory is also useful for multifile
documents, *note Multifile::, since it allows each file to access the
parsed information from all the other files in the document. This is
done by first reading the information from the master file, and then
recursively the information from each file stored in the master file.
The variables can also be set on a per file basis, by changing the
file local variables.
%%% Local Variables:
%%% TeX-parse-self: t
%%% TeX-auto-save: t
%%% End:
Even when you have disabled the automatic parsing, you can force the
generation of style information by pressing 'C-c C-n'. This is often
the best choice, as you will be able to decide when it is necessary to
reparse the file.
-- User Option: TeX-parse-self
Parse file after loading it if no style hook is found for it.
-- User Option: TeX-auto-save
Automatically save style information when saving the buffer.
-- Command: TeX-normal-mode ARG
('C-c C-n') Remove all information about this buffer, and apply the
style hooks again. Save buffer first including style information.
With optional argument, also reload the style hooks.
When AUCTeX saves your buffer, it can optionally convert all tabs in
your buffer into spaces. Tabs confuse AUCTeX's error message parsing
and so should generally be avoided. However, tabs are significant in
some environments, and so by default AUCTeX does not remove them. To
convert tabs to spaces when saving a buffer, insert the following in
your init file such as 'init.el' or '.emacs':
(setq TeX-auto-untabify t)
-- User Option: TeX-auto-untabify
Automatically remove all tabs from a file before saving it.
Instead of disabling the parsing entirely, you can also speed it
significantly up by limiting the information it will search for (and
store) when parsing the buffer. You can do this by setting the default
values for the buffer local variables 'TeX-auto-regexp-list' and
'TeX-auto-parse-length' in your init file such as 'init.el' or '.emacs'.
;; Only parse LaTeX class and package information.
(setq-default TeX-auto-regexp-list 'LaTeX-auto-minimal-regexp-list)
;; The class and package information is usually near the beginning.
(setq-default TeX-auto-parse-length 2000)
This example will speed the parsing up significantly, but AUCTeX will
no longer be able to provide completion for labels, macros,
environments, or bibitems specified in the document, nor will it know
what files belong to the document.
These variables can also be specified on a per file basis, by
changing the file local variables.
%%% Local Variables:
%%% TeX-auto-regexp-list: TeX-auto-full-regexp-list
%%% TeX-auto-parse-length: 999999
%%% End:
-- User Option: TeX-auto-regexp-list
List of regular expressions used for parsing the current file.
-- User Option: TeX-auto-parse-length
Maximal length of TeX file that will be parsed.
The pre-specified lists of regexps are defined below. You can use
these before loading AUCTeX by quoting them, as in the example above.
-- Constant: TeX-auto-empty-regexp-list
Parse nothing
-- Constant: LaTeX-auto-minimal-regexp-list
Only parse LaTeX class and packages.
-- Constant: LaTeX-auto-label-regexp-list
Only parse LaTeX labels.
-- Constant: LaTeX-auto-index-regexp-list
Only parse LaTeX index and glossary entries.
-- Constant: LaTeX-auto-class-regexp-list
Only parse macros in LaTeX classes and packages.
-- Constant: LaTeX-auto-pagestyle-regexp-list
Only parse LaTeX pagestyles.
-- Constant: LaTeX-auto-counter-regexp-list
Only parse LaTeX counters.
-- Constant: LaTeX-auto-length-regexp-list
Only parse LaTeX lengths.
-- Constant: LaTeX-auto-savebox-regexp-list
Only parse LaTeX saveboxes.
-- Constant: LaTeX-auto-regexp-list
Parse common LaTeX commands.
-- Constant: plain-TeX-auto-regexp-list
Parse common plain TeX commands.
-- Constant: TeX-auto-full-regexp-list
Parse all TeX and LaTeX commands that AUCTeX can use.

File: auctex.info, Node: Internationalization, Next: Automatic, Prev: Parsing Files, Up: Customization
5.4 Language Support
====================
TeX and Emacs are usable for European (Latin, Cyrillic, Greek) based
languages. Some LaTeX and EmacsLisp packages are available for easy
typesetting and editing documents in European languages.
All Emacs versions supported by current AUCTeX can handle CJK
(Chinese, Japanese, and Korean) languages by default.
In most cases, special versions of TeX engines are needed for
high-quality typesetting of CJK languages: CTeX and ChinaTeX for
Chinese, ASCII pTeX, upTeX and NTT jTeX for Japanese, HLaTeX and kTeX
for Korean. They are necessary as well when you want to typeset
documents saved in their domestic encodings such as 'Shift-JIS'.
Currently, AUCTeX offers native support for pTeX, upTeX and jTeX only.
If you don't need fine tuning in the result with respect to the
typesetting rules of their respective national standards, most unicode
based TeX engines, e.g. LuaTeX and XeTeX, can handle CJK languages by
default if they are encoded in UTF-8. The CJK-LaTeX package is provided
for supporting CJK scripts in a standard LaTeX document.
* Menu:
* European:: Using AUCTeX with European Languages
* Japanese:: Using AUCTeX with Japanese

File: auctex.info, Node: European, Next: Japanese, Up: Internationalization
5.4.1 Using AUCTeX with European Languages
------------------------------------------
5.4.1.1 Typing and Displaying Non-ASCII Characters
..................................................
First you will need a way to write non-ASCII characters. You can either
use macros, or teach TeX about the ISO character sets. I prefer the
latter, it has the advantage that the usual standard emacs word movement
and case change commands will work.
Recommended encoding for LaTeX document is UTF-8. Recent LaTeX2e has
native support for UTF-8. If your LaTeX2e is not recent enough, just
add '\usepackage[utf8]{inputenc}'.
You can still use ISO 8859 Latin 1 encoding with
'\usepackage[latin1]{inputenc}'.
To be able to display non-ASCII characters you will need an
appropriate font. All Emacs versions supported by current AUCTeX can
display 8-bit characters, provided that suitable fonts are installed.
A compromise is to use an European character set when editing the
file, and convert to TeX macros when reading and writing the files.
'iso-cvt.el'
Much like 'iso-tex.el' but is bundled with Emacs 19.23 and later.
'X-Symbol'
a much more complete package for Emacs that can also handle a lot
of mathematical characters and input methods.
5.4.1.2 Style Files for Different Languages
...........................................
AUCTeX supports style files for several languages. Each style file may
modify AUCTeX to better support the language, and will run a language
specific hook that will allow you to for example change ispell
dictionary, or run code to change the keyboard remapping. The following
will for example choose a Danish dictionary for documents including
'\usepackage[danish]{babel}'. This requires parsing to be enabled,
*note Parsing Files::.
(add-hook 'TeX-language-dk-hook
(lambda () (ispell-change-dictionary "danish")))
The following style files are recognized:
'brazilian'
'brazil'
Runs style hook 'TeX-language-pt-br-hook'. Gives '"' word syntax,
makes the <"> key inserts '``' or '''' depending on context.
Typing <"> twice will insert a literal '"'. Typing <-> twice will
insert '"=', three times '--'.
'bulgarian'
Runs style hook 'TeX-language-bg-hook'. Gives '"' word syntax,
makes the <"> key insert a literal '"'. Typing <"> twice will
insert '"`' or '"'' depending on context. Typing <-> twice will
insert '"=', three times '--'.
'czech'
Runs style hook 'TeX-language-cz-hook'. Pressing <"> will insert
'\uv{' and '}' depending on context.
'danish'
Runs style hook 'TeX-language-dk-hook'. Pressing <"> will insert
'"`' and '"'' depending on context. Typing <-> twice will insert
'"=', i.e. a hyphen string allowing hyphenation in the composing
words.
'dutch'
Runs style hook 'TeX-language-nl-hook'.
'english'
'australian'
'canadian'
'newzealand'
Runs style hook 'TeX-language-en-hook'.
'frenchb'
'francais'
Runs style hook 'TeX-language-fr-hook'. Pressing <"> will insert
'\og' and '\fg' depending on context. Note that the language name
for customizing 'TeX-quote-language-alist' is 'french'.
'german'
'ngerman'
Runs style hook 'TeX-language-de-hook'. Gives '"' word syntax,
makes the <"> key insert a literal '"'. Pressing the key twice
will give you opening or closing German quotes ('"`' or '"'').
Typing <-> twice will insert '"=', three times '--'.
'icelandic'
Runs style hook 'TeX-language-is-hook'. Gives '"' word syntax,
makes the <"> key insert a literal '"'. Typing <"> twice will
insert '"`' or '"'' depending on context. Typing <-> twice will
insert '"=', three times '--'.
'italian'
Runs style hook 'TeX-language-it-hook'. Pressing <"> will insert
'"<' and '">' depending on context.
'polish'
Runs style hook 'TeX-language-pl-hook'. Gives '"' word syntax and
makes the <"> key insert a literal '"'. Pressing <"> twice will
insert '"`' or '"'' depending on context.
'polski'
Runs style hook 'TeX-language-pl-hook'. Makes the <"> key insert a
literal '"'. Pressing <"> twice will insert ',,' or '''' depending
on context.
'portuguese'
'portuges'
Runs style hook 'TeX-language-pt-hook'. Gives '"' word syntax,
makes the <"> key inserts '"<' or '">' depending on context.
Typing <"> twice will insert a literal '"'. Typing <-> twice will
insert '"=', three times '--'. Note that the language name for
customizing 'TeX-quote-language-alist' is 'portuguese'.
'slovak'
Runs style hook 'TeX-language-sk-hook'. Pressing <"> will insert
'\uv{' and '}' depending on context.
'swedish'
Runs style hook 'TeX-language-sv-hook'. Pressing <"> will insert
''''. Typing <-> twice will insert '"=', three times '--'.
Replacement of language-specific hyphen strings like '"=' with dashes
does not require to type <-> three times in a row. You can put point
after the hypen string anytime and trigger the replacement by typing
<->.
In case you are not satisfied with the suggested behavior of quote
and hyphen insertion you can change it by customizing the variables
'TeX-quote-language-alist' and 'LaTeX-babel-hyphen-language-alist'
respectively.
-- User Option: TeX-quote-language-alist
Used for overriding the default language-specific quote insertion
behavior. This is an alist where each element is a list consisting
of four items. The first item is the name of the language in
concern as a string. See the list of supported languages above.
The second item is the opening quotation mark. The third item is
the closing quotation mark. Opening and closing quotation marks
can be specified directly as strings or as functions returning a
string. The fourth item is a boolean controlling quote insertion.
It should be non-nil if if the special quotes should only be used
after inserting a literal '"' character first, i.e. on second key
press.
-- User Option: LaTeX-babel-hyphen-language-alist
Used for overriding the behavior of hyphen insertion for specific
languages. Every element in this alist is a list of three items.
The first item should specify the affected language as a string.
The second item denotes the hyphen string to be used as a string.
The third item, a boolean, controls the behavior of hyphen
insertion and should be non-nil if the special hyphen should be
inserted after inserting a literal '-' character, i.e. on second
key press.
The defaults of hyphen insertion are defined by the variables
'LaTeX-babel-hyphen' and 'LaTeX-babel-hyphen-after-hyphen' respectively.
-- User Option: LaTeX-babel-hyphen
String to be used when typing <->. This usually is a hyphen
alternative or hyphenation aid provided by 'babel' and the related
language style files, like '"=', '"~' or '"-'.
Set it to an empty string or nil in order to disable
language-specific hyphen insertion.
-- User Option: LaTeX-babel-hyphen-after-hyphen
Control insertion of hyphen strings. If non-nil insert normal
hyphen on first key press and swap it with the language-specific
hyphen string specified in the variable 'LaTeX-babel-hyphen' on
second key press. If nil do it the other way round.

File: auctex.info, Node: Japanese, Prev: European, Up: Internationalization
5.4.2 Using AUCTeX with Japanese TeX
------------------------------------
To write Japanese text with AUCTeX, you need the versions of TeX and
Emacs that support Japanese. AUCTeX supports three Japanese TeX engines
by default: NTT jTeX, ASCII pTeX and upTeX.
Activate 'japanese-plain-tex-mode' or 'japanese-latex-mode' to use
the Japanese TeX engines. If it doesn't work, send mail to Masayuki
Ataka <masayuki.ataka@gmail.com> or Ikumi Keita
<ikumikeita@jcom.home.ne.jp>, who currently concern with stuff related
to Japanese in AUCTeX. None of the primary AUCTeX maintainers
understand Japanese, so they cannot help you.
It is recommended to enable 'TeX-parse-self' for typical Japanese
LaTeX users. When enabled, 'japanese-latex-mode' selects the suitable
Japanese TeX engine automatically based on the class file name (such as
'jbook', 'jsarticle' and 'tjreport') and its option. *Note Parsing
Files::.
It is important to select the suitable Japanese TeX engine because
the selected engine determines the command name such as 'platex' and
'uptex' to typeset the document. If you find that wrong command is
used, check the value of 'TeX-engine' on that buffer. If the value does
not suit the current document, change the value by the 'TeXing Options'
submenu below the 'Command' menu. *Note Processor Options::.
To make the selected engine to persist across Emacs sessions, there
are two ways from which you can choose one according to your needs:
1. If you use a specific engine (almost) exclusively, customize the
option 'japanese-TeX-engine-default'.
-- User Option: japanese-TeX-engine-default
The default 'TeX-engine' in Japanese TeX mode.
The default value is 'ptex'.
2. If you want to set the engine on a per file basis, use the file
local variables to set 'TeX-engine'.
Here is a sample code to set 'TeX-engine' to 'uptex':
%%% Local Variables:
%%% mode: japanese-latex
%%% TeX-engine: uptex
%%% End:
In the both cases above, the valid value is one of 'ptex', 'jtex' and
'uptex'.
You can override the command names associated with the above three
engines or define your own engine by customizing 'TeX-engine-alist'.
*Note Processor Options::.
It is sometimes necessary to use an engine which differs from the one
AUCTeX selects automatically. For example, even when you want to use
'j-article' document class deliberately with ASCII pLaTeX, AUCTeX
selects NTT jLaTeX command if 'TeX-parse-self' is enabled, because
'j-article' originally belongs to NTT jLaTeX. In such cases, use the
file local variable method above to select the engine you intend to use.
If you usually use AUCTeX in Japanese, setting the following
variables is useful.
-- User Option: TeX-default-mode
Mode to enter for a new file when it cannot be determined whether
the file is plain TeX or LaTeX or what.
If you want to enter Japanese LaTeX mode whenever this may happen,
set the variable like this:
(setq TeX-default-mode 'japanese-latex-mode)
-- User Option: japanese-LaTeX-default-style
The default style/class when creating a new Japanese LaTeX
document.
The default value is '"jarticle"'.
It is recommended also for Japanese users to customize the option
'TeX-PDF-from-DVI' to '"Dvipdfmx"'. *Note Processor Options::.
There are three customize options with regard to the encoding of
Japanese text.
-- User Option: japanese-TeX-use-kanji-opt-flag
If non-nil, AUCTeX adds '-kanji' option to the typesetting command
when 'TeX-engine' is 'ptex'.
Usually AUCTeX guesses the right coding systems for input to and
output from the Japanese TeX process, but you can override them by the
following two customize options.
-- User Option: TeX-japanese-process-input-coding-system
If non-nil, used for encoding input to Japanese TeX process. When
'nil', AUCTeX tries to choose suitable coding system.
-- User Option: TeX-japanese-process-output-coding-system
If non-nil, used for decoding output from Japanese TeX process.
When 'nil', AUCTeX tries to choose suitable coding system.
The former customize options 'japanese-TeX-command-default',
'japanese-LaTeX-command-default' and 'japanese-TeX-command-list' are
removed from AUCTeX. Use 'japanese-TeX-engine-default' instead. If you
need to customize the executable file name such as '"latex"', the
options for them, or both, customize 'TeX-engine-alist'.
The following two additional font commands are available in LaTeX
mode buffer.
'C-c C-f g'
Insert gothic font command '\textgt{-!-}' or '\mathgt{-!-}'
depending on the context.
'C-c C-f m'
Insert mincho font command '\textmc{-!-}' or '\mathmc{-!-}'
depending on the context.
Although they are meaningful only with 'ptex' and 'uptex' engines, it
won't matter in buffers with other engines.
See 'tex-jp.el' for more information.

File: auctex.info, Node: Automatic, Next: Style Files, Prev: Internationalization, Up: Customization
5.5 Automatic Customization
===========================
Since AUCTeX is so highly customizable, it makes sense that it is able
to customize itself. The automatic customization consists of scanning
TeX files and extracting symbols, environments, and things like that.
The automatic customization is done on three different levels. The
global level is the level shared by all users at your site, and consists
of scanning the standard TeX style files, and any extra styles added
locally for all users on the site. The private level deals with those
style files you have written for your own use, and use in different
documents. You may have a '~/lib/TeX/' directory where you store useful
style files for your own use. The local level is for a specific
directory, and deals with writing customization for the files for your
normal TeX documents.
If compared with the environment variable 'TEXINPUTS', the global
level corresponds to the directories built into TeX. The private level
corresponds to the directories you add yourself, except for '.', which
is the local level.
* Menu:
* Automatic Global:: Automatic Customization for the Site
* Automatic Private:: Automatic Customization for a User
* Automatic Local:: Automatic Customization for a Directory
By default AUCTeX will search for customization files in all the
global, private, and local style directories, but you can also set the
path directly. This is useful if you for example want to add another
person's style hooks to your path. Please note that all matching files
found in 'TeX-style-path' are loaded, and all hooks defined in the files
will be executed.
-- User Option: TeX-style-path
List of directories to search for AUCTeX style files.
By default, when AUCTeX searches a directory for files, it will
recursively search through subdirectories.
-- User Option: TeX-file-recurse
Whether to search TeX directories recursively: nil means do not
recurse, a positive integer means go that far deep in the directory
hierarchy, t means recurse indefinitely.
By default, AUCTeX will ignore files named '.', '..', 'SCCS', 'RCS',
and 'CVS'.
-- User Option: TeX-ignore-file
Regular expression matching file names to ignore.
These files or directories will not be considered when searching
for TeX files in a directory.

File: auctex.info, Node: Automatic Global, Next: Automatic Private, Up: Automatic
5.5.1 Automatic Customization for the Site
------------------------------------------
Assuming that the automatic customization at the global level was done
when AUCTeX was installed, your choice is now: will you use it? If you
use it, you will benefit by having access to all the symbols and
environments available for completion purposes. The drawback is slower
load time when you edit a new file and perhaps too many confusing
symbols when you try to do a completion.
You can disable the automatic generated global style hooks by setting
the variable 'TeX-auto-global' to nil.
-- User Option: TeX-macro-global
Directories containing the site's TeX style files.
-- User Option: TeX-style-global
Directory containing hand generated TeX information.
These correspond to TeX macros shared by all users of a site.
-- User Option: TeX-auto-global
Directory containing automatically generated information.
For storing automatic extracted information about the TeX macros
shared by all users of a site.

File: auctex.info, Node: Automatic Private, Next: Automatic Local, Prev: Automatic Global, Up: Automatic
5.5.2 Automatic Customization for a User
----------------------------------------
You should specify where you store your private TeX macros, so AUCTeX
can extract their information. The extracted information will go to the
directories listed in 'TeX-auto-private'
Use 'M-x TeX-auto-generate <RET>' to extract the information.
-- User Option: TeX-macro-private
Directories where you store your personal TeX macros. The value
defaults to the directories listed in the 'TEXINPUTS' and
'BIBINPUTS' environment variables or to the respective directories
in '$TEXMFHOME' of 'kpsewhich' setting if no results can be
obtained from the environment variables.
-- User Option: TeX-auto-private
List of directories containing automatically generated AUCTeX style
files. These correspond to the personal TeX macros.
-- Command: TeX-auto-generate TEX AUTO
('M-x TeX-auto-generate <RET>') Generate style hook for TEX and
store it in AUTO. If TEX is a directory, generate style hooks for
all files in the directory.
-- User Option: TeX-style-private
List of directories containing hand generated AUCTeX style files.
These correspond to the personal TeX macros.

File: auctex.info, Node: Automatic Local, Prev: Automatic Private, Up: Automatic
5.5.3 Automatic Customization for a Directory
---------------------------------------------
AUCTeX can update the style information about a file each time you save
it if 'TeX-auto-save' option is enabled. Saved information will be
stored in the directory 'TeX-auto-local', set to '"auto"' by default.
The advantage of doing this is that macros, labels, etc. defined in
any file in a multifile document will be known in all the files in the
document. The disadvantage is that saving will be slower. To disable,
set 'TeX-auto-local' to 'nil'.
-- User Option: TeX-style-local
Directory containing hand generated TeX information.
These correspond to TeX macros found in the current directory.
-- User Option: TeX-auto-local
Directory containing automatically generated TeX information.
These correspond to TeX macros found in the current directory.
-- User Option: TeX-auto-save-aggregate
When non-'nil', save parsed information in 'auto' subdirectory of
master directory.
Otherwise, save in each 'auto' subdirectory of the parsed file.
Subdirectory name is actually taken from 'TeX-auto-local'.

File: auctex.info, Node: Style Files, Prev: Automatic, Up: Customization
5.6 Writing Your Own Style Support
==================================
*Note Automatic::, for a discussion about automatically generated
global, private, and local style files. The hand generated style files
are equivalent, except that they by default are found in 'style'
directories instead of 'auto' directories.
* Menu:
* Simple Style:: A Simple Style File
* Adding Macros:: Adding Support for Macros
* Adding Environments:: Adding Support for Environments
* Adding Other:: Adding or Examining Other Information
* Hacking the Parser:: Automatic Extraction of New Things
If you write some useful support for a public TeX style file, please
send it to us.

File: auctex.info, Node: Simple Style, Next: Adding Macros, Up: Style Files
5.6.1 A Simple Style File
-------------------------
Here is a simple example of a style file.
;;; book.el - Special code for book style.
(TeX-add-style-hook
"book"
(lambda ()
(LaTeX-largest-level-set "part"))
TeX-dialect)
The example is from the AUCTeX sources and is loaded for any LaTeX
document using the book document class (or style before LaTeX2e). (Note
that the above code is much simplified for explanatory purpose.) The
file specifies that the largest kind of section in such a document is
'part'. The interesting thing to notice is that the style file defines
an (anonymous) function, and adds it to the list of loaded style hooks
by calling 'TeX-add-style-hook'.
The first time the user indirectly tries to access some
style-specific information, such as the largest sectioning command
available, the style hooks for all files directly or indirectly read by
the current document are executed. The actual files will only be
evaluated once, but the hooks will be called for each buffer using the
style file.
Note that the basename of the style file and the name of the style
hook should usually be identical.
-- Function: TeX-add-style-hook STYLE HOOK &optional DIALECT-EXPR
Add HOOK to the list of functions to run when we use the TeX file
STYLE and the current dialect is one in the set derived from
DIALECT-EXPR. When DIALECT-EXPR is omitted, then HOOK is allowed
to be run whatever the current dialect is.
DIALECT-EXPR may be one of:
* A symbol indicating a singleton containing one basic TeX
dialect, this symbol shall be selected among:
':latex'
For all files in LaTeX mode, or any mode derived thereof.
':bibtex'
For all files in BibTeX mode, or any mode derived
thereof.
':texinfo'
For all files in Texinfo mode.
':plain-tex'
For all files in plain-TeX mode, or any mode derived
thereof.
':context'
For all files in ConTeXt mode.
':classopt'
For class options of LaTeX document. This is provided as
pseudo-dialect for style hooks associated with class
options.
* A logical expression like:
'(or DIALECT-EXPRESSION1 ... DIALECT-EXPRESSION_N)'
For union of the sets of dialects corresponding to
DIALECT-EXPRESSION1 through DIALECT-EXPRESSION_N
'(and DIALECT-EXPRESSION1 ... DIALECT-EXPRESSION_N)'
For intersection of the sets of dialects corresponding to
DIALECT-EXPRESSION1 through DIALECT-EXPRESSION_N
'(nor DIALECT-EXPRESSION1 ... DIALECT-EXPRESSION_N)'
For complement of the union sets of dialects
corresponding to DIALECT-EXPRESSION1 through
DIALECT-EXPRESSION_N relatively to the set of all
supported dialects
'(not DIALECT-EXPR)'
For complement set of dialect corresponding to
DIALECT-EXPR relatively to the set of all supported
dialects
In case of adding a style hook for LaTeX, when calling function
'TeX-add-style-hook' it is thought more futureproof for argument
DIALECT-EXPR to pass constant 'TeX-dialect' currently defined to
':latex', rather than passing ':latex' directly.
-- Constant: TeX-dialect
Default dialect for use with function 'TeX-add-style-hook' for
argument DIALECT-EXPR when the hook is to be run only on LaTeX
file, or any mode derived thereof.

File: auctex.info, Node: Adding Macros, Next: Adding Environments, Prev: Simple Style, Up: Style Files
5.6.2 Adding Support for Macros
-------------------------------
The most common thing to define in a style hook is new symbols (TeX
macros). Most likely along with a description of the arguments to the
function, since the symbol itself can be defined automatically.
Here are a few examples from 'latex.el'.
(TeX-add-style-hook
"latex"
(lambda ()
(TeX-add-symbols
'("arabic" TeX-arg-counter)
'("label" TeX-arg-define-label)
'("ref" TeX-arg-ref)
'("newcommand" TeX-arg-define-macro [ "Number of arguments" ] t)
'("newtheorem" TeX-arg-define-environment
[ TeX-arg-environment "Numbered like" ]
t [ TeX-arg-counter "Within counter" ]))))
-- Function: TeX-add-symbols SYMBOL ...
Add each SYMBOL to the list of known symbols.
Each argument to 'TeX-add-symbols' is a list describing one symbol.
The head of the list is the name of the symbol, the remaining elements
describe each argument.
If there are no additional elements, the symbol will be inserted with
point inside braces. Otherwise, each argument of this function should
match an argument of the TeX macro. What is done depends on the
argument type.
If a macro is defined multiple times, AUCTeX will choose the one with
the longest definition (i.e. the one with the most arguments).
Thus, to overwrite
'("tref" 1) ; one argument
you can specify
'("tref" TeX-arg-ref ignore) ; two arguments
'ignore' is a function that does not do anything, so when you insert
a 'tref' you will be prompted for a label and no more.
You can use the following types of specifiers for arguments:
'string'
Use the string as a prompt to prompt for the argument.
'number'
Insert that many braces, leave point inside the first. 0 and -1
are special. 0 means that no braces are inserted. -1 means that
braces are inserted around the macro and an active region (e.g.
'{\tiny foo}'). If there is no active region, no braces are
inserted.
'nil'
Insert empty braces.
't'
Insert empty braces, leave point between the braces.
'other symbols'
Call the symbol as a function. You can define your own hook, or
use one of the predefined argument hooks.
'list'
If the car is a string, insert it as a prompt and the next element
as initial input. Otherwise, call the car of the list with the
remaining elements as arguments.
'vector'
Optional argument. If it has more than one element, parse it as a
list, otherwise parse the only element as above. Use square
brackets instead of curly braces, and is not inserted on empty user
input.
A lot of argument hooks have already been defined. The first
argument to all hooks is a flag indicating if it is an optional
argument. It is up to the hook to determine what to do with the
remaining arguments, if any. Typically the next argument is used to
overwrite the default prompt.
'TeX-arg-conditional'
Implements if EXPR THEN ELSE. If EXPR evaluates to true, parse
THEN as an argument list, else parse ELSE as an argument list.
'TeX-arg-literal'
Insert its arguments into the buffer. Used for specifying extra
syntax for a macro.
'TeX-arg-free'
Parse its arguments but use no braces when they are inserted.
'TeX-arg-eval'
Evaluate arguments and insert the result in the buffer.
'TeX-arg-label'
Prompt for a label completing with known labels. If RefTeX is
active, prompt for the reference format.
'TeX-arg-ref'
Prompt for a label completing with known labels. If RefTeX is
active, do not prompt for the reference format. Usually, reference
macros should use this function instead of 'TeX-arg-label'.
'TeX-arg-index-tag'
Prompt for an index tag. This is the name of an index, not the
entry.
'TeX-arg-index'
Prompt for an index entry completing with known entries.
'TeX-arg-length'
Prompt for a LaTeX length completing with known lengths.
'TeX-arg-macro'
Prompt for a TeX macro with completion.
'TeX-arg-date'
Prompt for a date, defaulting to the current date. The format of
the date is specified by the 'TeX-date-format' option. If you want
to change the format when the 'babel' package is loaded with a
specific language, set 'TeX-date-format' inside the appropriate
language hook (for details *note European::).
'TeX-arg-version'
Prompt for the version of a file, using as initial input the
current date.
'TeX-arg-environment'
Prompt for a LaTeX environment with completion.
'TeX-arg-cite'
Prompt for a BibTeX citation. If the variable
'TeX-arg-cite-note-p' is non-nil, ask also for optional note in
citations.
'TeX-arg-counter'
Prompt for a LaTeX counter completing with known counters.
'TeX-arg-savebox'
Prompt for a LaTeX savebox completing with known saveboxes.
'TeX-arg-file'
Prompt for a filename in the current directory, and use it with the
extension.
'TeX-arg-file-name'
Prompt for a filename and use as initial input the name of the file
being visited in the current buffer, with extension.
'TeX-arg-file-name-sans-extension'
Prompt for a filename and use as initial input the name of the file
being visited in the current buffer, without extension.
'TeX-arg-input-file'
Prompt for the name of an input file in TeX's search path, and use
it without the extension. Run the style hooks for the file. (Note
that the behavior (type of prompt and inserted file name) of the
function can be controlled by the variable
'TeX-arg-input-file-search'.)
'TeX-arg-define-label'
Prompt for a label completing with known labels. Add label to list
of defined labels.
'TeX-arg-define-length'
Prompt for a LaTeX length completing with known lengths. Add
length to list of defined lengths.
'TeX-arg-define-macro'
Prompt for a TeX macro with completion. Add macro to list of
defined macros.
'TeX-arg-define-environment'
Prompt for a LaTeX environment with completion. Add environment to
list of defined environments.
'TeX-arg-define-cite'
Prompt for a BibTeX citation.
'TeX-arg-define-counter'
Prompt for a LaTeX counter.
'TeX-arg-define-savebox'
Prompt for a LaTeX savebox.
'TeX-arg-document'
Prompt for a LaTeX document class, using 'LaTeX-default-style' as
default value and 'LaTeX-default-options' as default list of
options. If the variable 'TeX-arg-input-file-search' is t, you
will be able to complete with all LaTeX classes available on your
system, otherwise classes listed in the variable 'LaTeX-style-list'
will be used for completion. It is also provided completion for
options of many common classes.
'LaTeX-arg-usepackage'
Prompt for LaTeX packages. If the variable
'TeX-arg-input-file-search' is t, you will be able to complete with
all LaTeX packages available on your system. It is also provided
completion for options of many common packages.
'TeX-arg-bibstyle'
Prompt for a BibTeX style file completing with all style available
on your system.
'TeX-arg-bibliography'
Prompt for BibTeX database files completing with all databases
available on your system.
'TeX-arg-corner'
Prompt for a LaTeX side or corner position with completion.
'TeX-arg-lr'
Prompt for a LaTeX side with completion.
'TeX-arg-tb'
Prompt for a LaTeX side with completion.
'TeX-arg-pagestyle'
Prompt for a LaTeX pagestyle with completion.
'TeX-arg-verb'
Prompt for delimiter and text.
'TeX-arg-verb-delim-or-brace'
Prompt for delimiter and text. This function is similar to
'TeX-arg-verb', but is intended for macros which take their
argument enclosed in delimiters or in braces.
'TeX-arg-pair'
Insert a pair of numbers, use arguments for prompt. The numbers
are surrounded by parentheses and separated with a comma.
'TeX-arg-size'
Insert width and height as a pair. No arguments.
'TeX-arg-coordinate'
Insert x and y coordinates as a pair. No arguments.
'LaTeX-arg-author'
Prompt for document author, using 'LaTeX-default-author' as initial
input.
'TeX-read-hook'
Prompt for a LaTeX hook and return it.
'TeX-arg-hook'
Prompt for a LaTeX hook and insert it as a TeX macro argument.
'TeX-read-key-val'
Prompt for a 'key=value' list of options and return them.
'TeX-arg-key-val'
Prompt for a 'key=value' list of options and insert it as a TeX
macro argument.
If you add new hooks, you can assume that point is placed directly
after the previous argument, or after the macro name if this is the
first argument. Please leave point located after the argument you are
inserting. If you want point to be located somewhere else after all
hooks have been processed, set the value of 'TeX-exit-mark'. It will
point nowhere, until the argument hook sets it.
Some packages provide macros that are rarely useful to non-expert
users. Those should be marked as expert macros using
'TeX-declare-expert-macros'.
-- Function: TeX-declare-expert-macros STYLE MACROS...
Declare MACROS as expert macros of STYLE.
Expert macros are completed depending on
'TeX-complete-expert-commands'.

File: auctex.info, Node: Adding Environments, Next: Adding Other, Prev: Adding Macros, Up: Style Files
5.6.3 Adding Support for Environments
-------------------------------------
Adding support for environments is very much like adding support for TeX
macros, except that each environment normally only takes one argument,
an environment hook. The example is again a short version of
'latex.el'.
(TeX-add-style-hook
"latex"
(lambda ()
(LaTeX-add-environments
'("document" LaTeX-env-document)
'("enumerate" LaTeX-env-item)
'("itemize" LaTeX-env-item)
'("list" LaTeX-env-list))))
It is completely up to the environment hook to insert the
environment, but the function 'LaTeX-insert-environment' may be of some
help. The hook will be called with the name of the environment as its
first argument, and extra arguments can be provided by adding them to a
list after the hook.
For simple environments with arguments, for example defined with
'\newenvironment', you can make AUCTeX prompt for the arguments by
giving the prompt strings in the call to 'LaTeX-add-environments'. The
fact that an argument is optional can be indicated by wrapping the
prompt string in a vector.
For example, if you have defined a 'loop' environment with the three
arguments FROM, TO, and STEP, you can add support for them in a style
file.
%% loop.sty
\newenvironment{loop}[3]{...}{...}
;; loop.el
(TeX-add-style-hook
"loop"
(lambda ()
(LaTeX-add-environments
'("loop" "From" "To" "Step"))))
If an environment is defined multiple times, AUCTeX will choose the
one with the longest definition. Thus, if you have an enumerate style
file, and want it to replace the standard LaTeX enumerate hook above,
you could define an 'enumerate.el' file as follows, and place it in the
appropriate style directory.
(TeX-add-style-hook
"latex"
(lambda ()
(LaTeX-add-environments
'("enumerate" LaTeX-env-enumerate foo))))
(defun LaTeX-env-enumerate (environment &optional _ignore) ...)
The symbol 'foo' will be passed to 'LaTeX-env-enumerate' as the
second argument, but since we only added it to overwrite the definition
in 'latex.el' it is just ignored.
-- Function: LaTeX-add-environments ENV ...
Add each ENV to list of loaded environments.
-- Function: LaTeX-insert-environment ENV [ EXTRA ]
Insert environment of type ENV, with optional argument EXTRA.
Following is a list of available hooks for 'LaTeX-add-environments':
'LaTeX-env-item'
Insert the given environment and the first item.
'LaTeX-env-figure'
Insert the given figure-like environment with a caption and a
label.
'LaTeX-env-array'
Insert the given array-like environment with position and column
specifications.
'LaTeX-env-label'
Insert the given environment with a label.
'LaTeX-env-list'
Insert the given list-like environment, a specifier for the label
and the first item.
'LaTeX-env-minipage'
Insert the given minipage-like environment with position and width
specifications.
'LaTeX-env-tabular*'
Insert the given tabular*-like environment with width, position and
column specifications.
'LaTeX-env-picture'
Insert the given environment with width and height specifications.
'LaTeX-env-bib'
Insert the given environment with a label for a bibitem.
'LaTeX-env-contents'
Insert the given environment with a filename as its argument.
'LaTeX-env-args'
Insert the given environment with arguments. You can use this as a
hook in case you want to specify multiple complex arguments just
like in elements of 'TeX-add-symbols'. This is most useful if the
specification of arguments to be prompted for with strings and
strings wrapped in a vector as described above is too limited.
Here is an example from 'listings.el' which calls a function with
one argument in order to prompt for a 'key=value' list to be
inserted as an optional argument of the 'lstlisting' environment:
(LaTeX-add-environments
'("lstlisting" LaTeX-env-args
[TeX-arg-key-val (LaTeX-listings-key-val-options)]))
Some packages provide environments that are rarely useful to
non-expert users. Those should be marked as expert environments using
'LaTeX-declare-expert-environments'.
-- Function: LaTeX-declare-expert-environments STYLE ENVIRONMENTS...
Declare ENVIRONMENTS as expert environments of STYLE.
Expert environments are completed depending on
'TeX-complete-expert-commands'.

File: auctex.info, Node: Adding Other, Next: Hacking the Parser, Prev: Adding Environments, Up: Style Files
5.6.4 Adding or Examining Other Information
-------------------------------------------
5.6.4.1 Adding bibliographies in style hooks
............................................
You can also specify bibliographical databases and labels in the style
file. This is probably of little use, since this information will
usually be automatically generated from the TeX file anyway.
-- Function: LaTeX-add-bibliographies BIBLIOGRAPHY ...
Add each BIBLIOGRAPHY to list of loaded bibliographies.
-- Function: LaTeX-add-labels LABEL ...
Add each LABEL to the list of known labels.
5.6.4.2 Examining Package/Class Options
.......................................
In LaTeX documents, style hooks can find the package names and those
options given as optional argument(s) of '\usepackage' in
'LaTeX-provided-package-options'.
-- Variable: LaTeX-provided-package-options
Buffer local variable holding alist of options provided to LaTeX
packages. Each element is a cons cell '(PACKAGE . OPTION-LIST)'.
For example, its value will be
(("babel" . ("german"))
("geometry" . ("a4paper" "top=2cm" "left=2.5cm" "right=2.5cm"))
...)
You can examine whether there is a specific package-option pair by
'LaTeX-provided-package-options-member'.
-- Function: LaTeX-provided-package-options-member PACKAGE OPTION
Return non-'nil' if OPTION has been given to PACKAGE. The value is
actually the tail of the list of options given to PACKAGE.
There are similar facilities for class names and those options given
in '\documentclass' declaration.
-- Variable: LaTeX-provided-class-options
Buffer local variable holding alist of options provided to LaTeX
classes. Each element is a cons cell '(CLASS . OPTION-LIST)'. For
example, its value will be
(("book" . ("a4paper" "11pt" "openany" "fleqn"))
...)
-- Function: LaTeX-provided-class-options-member CLASS OPTION
Return non-'nil' if OPTION has been given to CLASS. The value is
actually the tail of the list of options given to CLASS.
-- Function: LaTeX-match-class-option REGEXP
Check if a documentclass option matching REGEXP is active. Return
first found class option matching REGEXP, or nil if not found.
These functions are also useful to implement customized predicate(s)
in 'TeX-view-predicate-list'. *Note Starting Viewers::.
5.6.4.3 Adding Support for Option Completion
............................................
When the user inserts '\usepackage' by 'C-c C-m', AUCTeX asks for the
optional arguments after the package name is given. The style file of
that package can provide completion support for the optional arguments.
-- Variable: LaTeX-PACKAGENAME-package-options
List of optional arguments available for the package.
Here is an excerption from 'acronym.el':
(defvar LaTeX-acronym-package-options
'("footnote" "nohyperlinks" "printonlyused" "withpage"
"smaller" "dua" "nolist")
"Package options for the acronym package.")
When the package accepts key-value style optional arguments, more
sophisticated completion support is needed. The package style file can
provide dynamic completion support by custom elisp function.
-- Function: LaTeX-PACKAGENAME-package-options
This function should ask the user for optional arguments and return
them as a string, instead of built-in option query facility. When
this function is defined, AUCTeX calls it with no argument.
Here is an excerption from 'acro.el':
(defun LaTeX-acro-package-options ()
"Prompt for package options for the acro package."
(TeX-read-key-val t LaTeX-acro-package-options-list))
As you can see in the above example, a utility function
'TeX-read-key-val' is available to read key-value pair(s) from users.
Note that 'defvar' or 'defun' of 'LaTeX-PACKAGENAME-package-options'
should be at the top level of the style file and not inside the style
hook, because the style hook is not yet called when the user inputs the
optional arguments in response to 'C-c C-m'.
There are similar facilities for class options. When the user
inserts '\documentclass' by 'C-c C-e', the respective class style file
can provide completion support for the optional arguments.
-- Variable: LaTeX-CLASSNAME-class-options
List of optional arguments available for the class.
-- Function: LaTeX-CLASSNAME-class-options
Which see.

File: auctex.info, Node: Hacking the Parser, Prev: Adding Other, Up: Style Files
5.6.5 Automatic Extraction of New Things
----------------------------------------
The automatic TeX information extractor works by searching for regular
expressions in the TeX files, and storing the matched information. You
can add support for new constructs to the parser, something that is
needed when you add new commands to define symbols.
For example, in the file 'macro.tex' I define the following macro.
\newcommand{\newmacro}[5]{%
\def#1{#3\index{#4@#5~cite{#4}}\nocite{#4}}%
\def#2{#5\index{#4@#5~cite{#4}}\nocite{#4}}%
}
AUCTeX will automatically figure out that 'newmacro' is a macro that
takes five arguments. However, it is not smart enough to automatically
see that each time we use the macro, two new macros are defined. We can
specify this information in a style hook file.
;;; macro.el --- Special code for my own macro file.
;;; Code:
(defvar TeX-newmacro-regexp
'("\\\\newmacro{\\\\\\([a-zA-Z]+\\)}{\\\\\\([a-zA-Z]+\\)}"
(1 2) TeX-auto-multi)
"Matches \\newmacro definitions.")
(defvar TeX-auto-multi nil
"Temporary for parsing \\newmacro definitions.")
(defun TeX-macro-cleanup ()
"Move symbols from `TeX-auto-multi' to `TeX-auto-symbol'."
(mapc (lambda (list)
(mapc (lambda (symbol)
(setq TeX-auto-symbol
(cons symbol TeX-auto-symbol)))
list))
TeX-auto-multi))
(defun TeX-macro-prepare ()
"Clear `Tex-auto-multi' before use."
(setq TeX-auto-multi nil))
(add-hook 'TeX-auto-prepare-hook #'TeX-macro-prepare)
(add-hook 'TeX-auto-cleanup-hook #'TeX-macro-cleanup)
(TeX-add-style-hook
"macro"
(lambda ()
(TeX-auto-add-regexp TeX-newmacro-regexp)
(TeX-add-symbols '("newmacro"
TeX-arg-macro
(TeX-arg-macro "Capitalized macro: \\")
t
"BibTeX entry: "
nil))))
;;; macro.el ends here
When this file is first loaded, it adds a new entry to
'TeX-newmacro-regexp', and defines a function to be called before the
parsing starts, and one to be called after the parsing is done. It also
declares a variable to contain the data collected during parsing.
Finally, it adds a style hook which describes the 'newmacro' macro, as
we have seen it before.
So the general strategy is: Add a new entry to 'TeX-newmacro-regexp'.
Declare a variable to contain intermediate data during parsing. Add
hook to be called before and after parsing. In this case, the hook
before parsing just initializes the variable, and the hook after parsing
collects the data from the variable, and adds them to the list of
symbols found.
-- Variable: TeX-auto-regexp-list
List of regular expressions matching TeX macro definitions.
The list has the following format ((REGEXP MATCH TABLE) ...), that
is, each entry is a list with three elements.
REGEXP. Regular expression matching the macro we want to parse.
MATCH. A number or list of numbers, each representing one
parenthesized subexpression matched by REGEXP.
TABLE. The symbol table to store the data. This can be a
function, in which case the function is called with the argument
MATCH. Use 'TeX-match-buffer' to get match data. If it is not a
function, it is presumed to be the name of a variable containing a
list of match data. The matched data (a string if MATCH is a
number, a list of strings if MATCH is a list of numbers) is put in
front of the table.
-- Variable: TeX-auto-prepare-hook nil
List of functions to be called before parsing a TeX file.
-- Variable: TeX-auto-cleanup-hook nil
List of functions to be called after parsing a TeX file.

File: auctex.info, Node: Appendices, Next: Indices, Prev: Customization, Up: Top
Appendix A Copying, Changes, Development, FAQ, Texinfo Mode
***********************************************************
* Menu:
* Copying this Manual::
* Changes::
* Development::
* FAQ::
* Texinfo mode::

File: auctex.info, Node: Copying this Manual, Next: Changes, Up: Appendices
A.1 Copying this Manual
=======================
The copyright notice for this manual is:
This manual is for AUCTeX (version 13.1.5 from 2022-10-20), a
sophisticated TeX environment for Emacs.
Copyright (C) 1992-1995, 2001, 2002, 2004-2022 Free Software
Foundation, Inc.
Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License,
Version 1.3 or any later version published by the Free Software
Foundation; with no Invariant Sections, no Front-Cover Texts and no
Back-Cover Texts. A copy of the license is included in the section
entitled "GNU Free Documentation License."
The full license text can be read here:
* Menu:
* GNU Free Documentation License:: License for copying this manual.

File: auctex.info, Node: GNU Free Documentation License, Up: Copying this Manual
A.1.1 GNU Free Documentation License
------------------------------------
Version 1.3, 3 November 2008
Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software
Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
0. PREAMBLE
The purpose of this License is to make a manual, textbook, or other
functional and useful document "free" in the sense of freedom: to
assure everyone the effective freedom to copy and redistribute it,
with or without modifying it, either commercially or
noncommercially. Secondarily, this License preserves for the
author and publisher a way to get credit for their work, while not
being considered responsible for modifications made by others.
This License is a kind of "copyleft", which means that derivative
works of the document must themselves be free in the same sense.
It complements the GNU General Public License, which is a copyleft
license designed for free software.
We have designed this License in order to use it for manuals for
free software, because free software needs free documentation: a
free program should come with manuals providing the same freedoms
that the software does. But this License is not limited to
software manuals; it can be used for any textual work, regardless
of subject matter or whether it is published as a printed book. We
recommend this License principally for works whose purpose is
instruction or reference.
1. APPLICABILITY AND DEFINITIONS
This License applies to any manual or other work, in any medium,
that contains a notice placed by the copyright holder saying it can
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"Document", below, refers to any such manual or work. Any member
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A "Modified Version" of the Document means any work containing the
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A "Secondary Section" is a named appendix or a front-matter section
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The "Invariant Sections" are certain Secondary Sections whose
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To "Preserve the Title" of such a section when you modify the
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The Document may include Warranty Disclaimers next to the notice
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2. VERBATIM COPYING
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You may also lend copies, under the same conditions stated above,
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If the required texts for either cover are too voluminous to fit
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5. COMBINING DOCUMENTS
You may combine the Document with other documents released under
this License, under the terms defined in section 4 above for
modified versions, provided that you include in the combination all
of the Invariant Sections of all of the original documents,
unmodified, and list them all as Invariant Sections of your
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their Warranty Disclaimers.
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copy. If there are multiple Invariant Sections with the same name
but different contents, make the title of each such section unique
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unique number. Make the same adjustment to the section titles in
the list of Invariant Sections in the license notice of the
combined work.
In the combination, you must combine any sections Entitled
"History" in the various original documents, forming one section
Entitled "History"; likewise combine any sections Entitled
"Acknowledgements", and any sections Entitled "Dedications". You
must delete all sections Entitled "Endorsements."
6. COLLECTIONS OF DOCUMENTS
You may make a collection consisting of the Document and other
documents released under this License, and replace the individual
copies of this License in the various documents with a single copy
that is included in the collection, provided that you follow the
rules of this License for verbatim copying of each of the documents
in all other respects.
You may extract a single document from such a collection, and
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File: auctex.info, Node: Changes, Next: Development, Prev: Copying this Manual, Up: Appendices
A.2 Changes and New Features
============================
News since last release
-----------------------
* AUCTeX underlines the argument of macros which produce underlined
text in the final product with 'font-latex-underline-face'. The
corresponding keyword class is called 'underline-command'. *Note
Fontification of macros:: if you dislike this feature and wish to
deactivate it.
* Support for the Sioyek document viewer is added.
* AUCTeX now requires GNU Emacs 25.1 or higher.
* AUCTeX tracks the change in Emacs where initial inputs in the
minibuffer during queries are getting phased out. Queries for the
mandatory arguments of macros and environments are adjusted where
applicable. The value which will be used after hitting 'RET'
without other input is shown in the prompt in parentheses prefixed
with 'default'. For this change the signature of the function
'TeX-arg-length' is altered. The old argument list was:
(defun TeX-arg-length (optional &optional prompt
initial-input definition default)
whereas the new one is:
(defun TeX-arg-length (optional &optional prompt
default initial-input definition)
Note the position change of 'DEFAULT'.
* Indenting of conditionals is improved. Code inside constructs like
'\ifx . \else . \fi' is correctly indented. An interface for style
files is also introduced which can add their macros to the
indentation engine. Check the file 'algpseudocode.el' for an
example.
* You can optionally enable indent inside square brackets '[]' by new
user options 'TeX-indent-open-delimiters' and
'TeX-indent-close-delimiters'. *Note Indenting::.
* Now 'tex-buf.el' is merged into 'tex.el' and no longer exists. If
your personal code has '(require 'tex-buf)', one of the following
prescriptions would serve.
1. Remove '(require 'tex-buf)'.
2. Replace it with '(require 'tex)'.
3. Replace it with '(require 'latex)'.
* When you edit a document divided into multiple files, auto parsed
information for all sub files are saved under 'auto' subdirectory
at master directory when 'TeX-parse-self' and 'TeX-auto-save'
options are enabled. Now you can have support '.el' file saved
under 'auto' subdirectory of each directory of the sub file when
the sub files aren't located at the master directory.
To achieve that, set new user option 'TeX-auto-save-aggregate' to
'nil'.
* There was another hook where former dynamic free variables could be
used. The usage was invalidated at version 13.1, by introduction
of lexical binding over AUCTeX.
The functions in 'TeX-region-hook' could access the free variables
'master-buffer' and 'orig-buffer'. Those are now named
'TeX-region-master-buffer' and 'TeX-region-orig-buffer',
respectively.
News in 13.1
------------
* In math environments 'gather', 'gather*', 'gathered', 'multline'
and 'multline*', fill commands such as 'M-q' and 'C-c C-q C-e' are
disabled. This sorts out the inconsistency between those and
'equation', 'displaymath' environments, in latter of which filling
is already disabled.
If you want filling in such environments, customize
'LaTeX-indent-environment-list' to remove them.
Auto fill continues to work in such environment anyway.
In addition, AUCTeX adds support of alignment at '&' sign in
'align'-like environments such as 'alignat', 'aligned' and so on,
as well as 'matrix'-like environments such as 'pmatrix', 'bmatrix'
and so on.
* Now two commands 'Texindex' and 'Texi2dvi' are available when you
type 'C-c C-c' in Texinfo mode. The command 'Texindex' runs
'texindex' on index files and 'Texi2dvi' runs 'pdftexi2dvi' or
'texi2dvi' according to the value of 'TeX-PDF-mode'.
So you can typeset Texinfo documents into PDF or DVI format from
within AUCTeX.
* AUCTeX's own help messages for LaTeX errors are now shown only for
LaTeX runs. AUCTeX shows raw error/warning messages found in
'.log' files for runs of formats other than LaTeX, such as plain
TeX, ConTeXt and Texinfo, as it does even for LaTeX runs when it
can't find a matching entry in its own help message catalogue.
Due to this change, customize option 'TeX-error-description-list'
can no longer have a fallback entry that matches any error. If
your customized value includes such entry, typically '(".*" . "No
help available")', please remove it.
* Two functions 'TeX-split-string' and 'TeX-assoc' are now obsolete
and will be removed in future release. If your personal code uses
these functions, use 'split-string' and 'assoc-string' instead.
* The function 'TeX-read-key-val' now accepts a function call as
second argument. This change should help AUCTeX style writers who
use 'TeX-arg-key-val' and have to deal with dynamic key-values.
Example of usage:
(TeX-add-style-hook "foo"
(lambda ()
(TeX-add-symbols
'("bar" (TeX-arg-key-val (function-returning-key-val))))))
* Since AUCTeX 12.2, 'C-x C-w' accidentally disabled the parse on
save in that buffer, even when you enabled 'TeX-auto-save' option.
This bug was fixed.
* AUCTeX now requires GNU Emacs 24.3 or higher.
* Old implementations for viewers were discarded, as announced long
before. The variables 'TeX-output-view-style' and 'TeX-view-style'
have no effect now. The former placeholders '%v' and '%vv' in
'TeX-command-list' are ignored.
* AUCTeX now uses lexical binding which has been introduced in Emacs
24. This change should have no user-visible effect and require no
manual adaptions except in the following cases.
- Entries added to the customization variable 'TeX-expand-list'
also had access to variables 'command' and 'pos'. Those are
now properly declared and named 'TeX-expand-command' and
'TeX-expand-pos'.
- Entries added to the customization variable 'TeX-expand-list'
had access to a variable 'file' which was bound to
'TeX-active-master', i.e., it evaluated to either the master
or region file. This usage must be replaced with either
'TeX-active-master' or 'TeX-active-master-with-quotes'.
- Viewer entries in 'TeX-view-program-list' also had access to a
variable 'file' which was bound to the name of the master or
region file without extension. Instead, the function
'TeX-active-master' has to be used now.
- Macro argument parsing functions could set a variable
'exit-mark' to the buffer position where point should be left
after all arguments have been read. This variable is now
named 'TeX-exit-mark'.
- The functions in 'LaTeX-section-hook' had access or modified
the previously undeclared variables 'title', 'name', 'level',
'done-mark', and 'toc'. These variables are now properly
declared and have the 'LaTeX-' prefix, e.g.,
'LaTeX-done-mark'.
- The functions in 'ConTeXt-numbered-section-hook' and
'ConTeXt-unnumbered-section-hook' had access or modified the
previously undeclared variables 'title', 'name', 'level',
'done-mark', and 'reference'. These variables are now
properly declared and have the 'ConTeXt-' prefix, e.g.,
'ConTeXt-title'.
- The functions in 'TeX-translate-location-hook' could access
and modify the free variables 'file', 'line', 'error',
'offset', 'context', and 'string'. Those are now properly
declared variables with the prefix 'TeX-translate-location-',
e.g., 'TeX-translate-location-file'.
* The constant 'LaTeX-dialect' has been renamed to 'TeX-dialect' and
moved from 'latex.el' to 'tex.el'. 'LaTeX-dialect' now is an
obsolete alias.
* The style 'latexinfo.el' is removed from AUCTeX. 'latexinfo.el'
was meant to support latexinfo which in return was a LaTeX-2.09
extension of Texinfo, but didn't manage to replace Texinfo.
* The style 'siunitx.el' is updated to support package version 3.
Key-value options provided by older package versions are removed,
deprecated macros and units are not supported anymore.
* AUCTeX has preliminary support for LaTeX-hooks. Hooks provided by
LaTeX kernel are known and available for completion in
'\AddToHook', '\RemoveFromHook' and '\AddToHookNext'.
* AUCTeX is now able to place all generated output files, including
those that are produced by applications running under AUCTeX,
temporary files related to region processing and preview-latex
files, in an output directory. To use this feature, set the new
user option 'TeX-output-dir' to the absolute path of the output
directory or a relative path which would be interpreted as being
relative to the master file in a multifile document.
Note that this feature doesn't work if the document includes sub
file placed in sub directory below the main file via '\include'
command.
* Many other bugs were fixed.
News in 12.3
------------
* Support for 'PSTricks' is now PDF-oriented. AUCTeX no longer turns
off PDF mode for 'PSTricks' documents even without 'pst-pdf'. It
now sets up 'TeX-PDF-from-DVI' option so that PDF output is
generated when 'TeX-PDF-mode' is enabled (default). Users who want
DVI output should disable PDF mode explicitly by file local
variable, or customize 'TeX-PDF-mode' to 'nil'.
* The function 'font-latex-update-font-lock' has been obsoleted in
order to fix 'bug#37945'. That function was used by several style
files in order to refresh fontification after adding new symbols or
verbatim constructs. It is better to call 'font-lock-flush' in the
former case and 'font-latex-set-syntactic-keywords' in the latter
case. The function 'font-latex-update-font-lock' still exists as a
no-op which only shows a warning explaining how to update font-lock
as mentioned above.
* Math expression highlighting was improved. Highlighting for
documents with a lot of inline math expressions '$...$' won't get
scrambled now ('bug#33139').
In addition, it is no longer recommended to customize
'font-latex-math-environments'. Use 'texmathp-tex-commands'
instead. *Note Fontification of math::.
* AUCTeX tracks changes in LaTeX2e 2020-02-02 release. AUCTeX
supports the improvements to LaTeX font selection mechanism (NFSS).
New macros like '\textsw' or '\textulc' are added to font insertion
keyboard commands. *Note Font Specifiers::, for details. Further,
the entries in the menu 'LaTeX', 'Insert Font' are reorganized and
adjusted accordingly.
Macros previously provided by 'textcomp.sty' are now part of LaTeX
kernel. AUCTeX tracks this change as well and support for the new
macro '\legacyoldstylenums' is added.
* Insertion of environments in LaTeX documents (i.e. 'C-c C-e') was
improved. The former code had a few bugs, which sometimes resulted
in either spurious empty line or spurious comment prefix, or both,
especially when the region is active. Those bugs are now fixed.
* More bugs fixed, other minor features implemented.
News in 12.2
------------
* AUCTeX reflects the changes in LaTeX2e 2019-10-01 release.
'filecontents' environment now takes an optional argument and can
be used anywhere in a document. The macros '\Ref' and
'\labelformat' are moved from 'varioref.sty' to LaTeX kernel.
'amsmath' has a new macro '\overunderset'.
* A new method is implemented in preview-latex to adjust the
foreground colors of generated images to those of Emacs, when the
LaTeX command produces PDF. The traditional method became invalid
because of the change introduced in Ghostscript 9.27.
Unfortunately, the new method doesn't work due to a bug in
Ghostscript 9.27 and is valid only for Ghostscript > 9.27. There
is also a fallback method for gs 9.27 users which displays plain
"black on white" images. For successful function of preview-latex,
the users are encouraged to set up the new user option
'preview-pdf-color-adjust-method' to choose appropriate option
among the three: new, traditional and fallback method.
* AUCTeX has support for the Flymake package in Emacs 26 or newer.
To enable, call 'M-x flymake-mode <RET>' or add this to your
'.emacs' file:
(add-hook 'LaTeX-mode-hook #'flymake-mode)
* The way the option 'TeX-record-buffer' is used was corrected. It
was used in just the opposite way as the document says. Erase the
customization if you have customized this option since it now acts
in reverse to your expectation.
* A former customize option 'japanese-TeX-command-list' is removed.
Use 'japanese-TeX-engine-default', or if it's really necessary,
customize 'TeX-command-list' directly if the task which the option
used to carry is required.
* Support for standard LaTeX without e-TeX extension is now very
limited. It doesn't work if raw TeX code is put on the command
line to invoke 'latex' command. It also fails for region
compilation ('C-c C-r' and so on) with documents of non-ascii file
name. In addition, it no longer works with preview-latex. We
consider this incompatibility is permissible because e-TeX
extension is enabled for standard LaTeX by default long ago. LaTeX
variants such as XeLaTeX and LuaLaTeX are not affected.
* Key binds in Texinfo mode are improved. Typing '$', '^', '_' and
'\' now just self-inserts without pointless side effects in Texinfo
mode.
In addition, the option 'TeX-electric-escape' is now effective in
Texinfo mode. When it is enabled, typing '@' will invoke
'TeX-electric-macro' offering completion in similar style with
other TeX modes of AUCTeX.
* Fontification support for 'biblatex' package is improved and
updated to macros provided by package version 3.12. For qualified
lists, at least 2 mandatory arguments are fontified.
* Support for column specifiers 'w' and 'W' provided by 'array'
package is added to 'array.el'. The correct counting of columns
only works when the 'align' parameter is enclosed in braces, e.g.,
'w{l}{3cm}'. The short version 'wl{3cm}' is not supported.
* Entries for 'PDF Tools' are added in
'TeX-view-program-list-builtin' for Windows and macOS. This viewer
can be configured under these operating systems with an entry like
this in an init file:
(setq TeX-view-program-selection '((output-pdf "PDF Tools")))
* Several other bugs were fixed, many minor features were added.
News in 12.1
------------
* AUCTeX now requires GNU Emacs 24 or higher. Support for XEmacs has
been dropped.
* Besides the change in the supported version of Emacs, there has
been no functional change in this release, which is equivalent to
version 11.92.
News in 11.92
-------------
* preview-latex is compatible with Ghostscript 9.22 where the
operator '.runandhide' is removed. All occurrences of
'.runandhide' in preview-latex are replaced by alternative code
making it work with Ghostscript 9.22 again.
* AUCTeX has a new customize option
'TeX-math-input-method-off-regexp'. When you begin to input a math
formula, the current input method is turned off if its name matches
this regular expression.
In fact this variable was introduced long before, but has not been
documented in info files nor turned into a customize option with
'defcustom' until this release.
* The window system focus is pulled back to Emacs when viewing with
evince-compatible viewers if a new customize option
'TeX-view-evince-keep-focus' is non-nil.
* The usual dose of bug fixes was administered.
News in 11.91
-------------
* Now AUCTeX has a logo. The LaTeX code to create it is available in
the 'etc/' directory of the package.
* Add support for 'upmendex', an extension of 'makeindex' capable of
sorting indexes by unicode based ICU.
* Fix preview-latex to interact correctly with Japanese LaTeX. The
parsing routine was made robust not to be confused by the 7-bit
encoding of Japanese text and the necessary option to LaTeX command
is kept even when preamble caching is enabled.
* The new "Glossaries" entry in 'TeX-command-list' runs the command
'makeglossaries'.
* Fontification of control symbols has been improved. Characters
defined in 'font-latex-match-simple-exclude-list' do not receive
any fontification. In DocTeX mode, the character '_' is removed
from 'font-latex-match-simple-exclude-list' in order to fontify
macros like '\__module_foo:nnn' correctly.
* Fontification of math environments has been improved. Optional
and/or mandatory argument(s) to environments are not fontified.
* 'preview.sty' loads 'luatex85.sty' if possible and should be
compatible with newer luaTeX versions.
* AUCTeX has a new customize option 'TeX-ispell-verb-delimiters'.
This string contains usual characters used as delimiters for
in-line verbatim macros like '\verb'. Text between delimiters
after an in-line verbatim macro will be skipped during spell
checking.
* Fontification of in-line verbatim macros has been improved.
'font-latex.el' recognizes an optional or a mandatory argument for
macros like '\Verb' from 'fancyvrb.sty', '\mint' and '\mintinline'
from 'minted.sty' and fontifies verbatim content correctly.
* AUCTeX can put and parse labels in optional argument of
environments. Inserting labels is done by new function
'LaTeX-env-label-as-keyval'. A new customize option
'LaTeX-listing-label' is available as prefix to labels in code
typesetting environments, e.g. 'lstlisting' environment provided by
'listings' package. 'LaTeX-listing-label' defaults to 'lst:'.
Parsing of labels for later referencing relies on two requirements:
1. Label should come as last key-value argument, and
2. label must be enclosed in braces, e.g.
\begin{lstlisting}[caption=Some Caption,label={lst:foo}]
...
\end{lstlisting}
* The function 'LaTeX-label' now takes a second optional argument
'NO-INSERT'. When non-'nil', 'LaTeX-label' reads a label and
returns it as a string. This argument is also passed to any
function bound to 'LaTeX-label-function' (see next item).
* *Incompatible change:* The signature for the function passed with
the customize option 'LaTeX-label-function' has changed. The
function bound to this variable is now expected to take an optional
second argument 'NO-INSERT'. When this argument is non-'nil', the
function should read and only return a label as a string; insertion
is done by another function.
* Directory local variables were ineffective for
'japanese-latex-mode' and 'japanese-plain-tex-mode'. This bug was
fixed. (This was actually done in AUCTeX 11.90, but not
advertised)
* The output of Japanese text from Japanese TeX engines is decoded
correctly for most cases, according to the encoding of the TeX
documents and the locale. The difference between MS Windows, macOS
and unix-like OS is taken into account. (This was actually done in
AUCTeX 11.90, but not advertised)
* Quite a few new LaTeX packages are supported.
* As usual, many bugs were fixed.
News in 11.90
-------------
* In addition to the completion performed by 'TeX-complete-symbol',
AUCTeX now also supports the new Emacs standard completion-at-point
facility (see the Emacs command 'completion-at-point'). This also
means that modern completion UIs like company-mode work out of the
box in TeX and LaTeX buffers. *Note Completion::, for details.
* Completion is now aware of being inside a math environment and then
completes math macros.
* AUCTeX is able to display several levels of super- and subscripts,
each one raised above and a bit smaller than its basis. For this
feature, have a look at the customize options
'font-latex-fontify-script' (especially the new values
'multi-level' and 'invisible') and
'font-latex-fontify-script-max-level'. Also, the script characters
'^' and '_' are also fontified with a special face named
'font-latex-script-char-face'. *Note Fontification of math::, for
details.
* Parsing of format specification in various tabular environments has
been improved. The function 'LaTeX-insert-item' ('C-c <LFD>')
inserts suitable number of ampersands for '*{num}{cols}'
constructs. Style files for LaTeX packages 'tabularx', 'tabulary',
'longtable', 'dcolumn' and 'siunitx' are adapted to take advantage
of this improvement.
* AUCTeX has a new Ispell dictionary 'tex-ispell.el' for macros and
environments which will be skipped during spell checking. The
activiation of this feature is controlled by a new customize option
'TeX-ispell-extend-skip-list', which is set to 't' and activated by
default.
* AUCTeX has a new customize option 'TeX-raise-frame-function' that
is currently only used by Evince and Atril inverse search to raise
the Emacs frame.
* When inserting a new float, AUCTeX will now prompt for a
short-caption if the length of the caption provided is greater than
a certain size. This size is controlled via a new user option
'LaTeX-short-caption-prompt-length'.
* Parsing of the compilation log has been reworked. You should
encounter fewer mistaken files while navigating through errors and
warnings.
* Two new user options, 'TeX-ignore-warnings' and
'TeX-suppress-ignored-warnings', allow ignoring certain warnings
after compilation of the document. *Note Ignoring warnings::, for
details.
* A new option, 'TeX-PDF-from-DVI', controls if and how to produce a
PDF file by converting a DVI file. This supersedes
'TeX-PDF-via-dvips-ps2pdf' which is still recognized but marked as
obsolete and may be removed in future releases.
* Support for a number of external viewers has been added:
* Atril viewer. Forward and inverse search requires version
1.9.1 or later to work.
* dviout viewer on Windows. Note that this setup works when
'TeX-source-correlate-method' is set to use 'source-specials'
for DVI, e.g.:
(setq TeX-source-correlate-method
'((dvi . source-specials)
(pdf . synctex)))
which is the default.
* SumatraPDF viewer on Windows.
* Zathura viewer. Forward and inverse search requires a recent
version of the program to work (3.4 or later).
* A new function, 'TeX-documentation-texdoc', for reading
documentation with 'texdoc' has been added. 'TeX-doc' is still
available but now 'C-c ?' runs 'TeX-documentation-texdoc'.
* AUCTeX has a new custom option
'LaTeX-reftex-cite-format-auto-activate' which controls the
automatic activation of citation formats provided by RefTeX when a
style file is loaded and RefTeX is enabled. Currently,
'biblatex.el', 'harvard.el', 'jurabib.el' and 'natbib.el' use this
feature. If you have customized 'reftex-cite-format' and want to
use your settings, you should set this variable to 'nil'.
* AUCTeX now has limited support for the TikZ package. For the
moment, this includes some basic support for prompting the user of
arguments to the '\draw' macro.
* The style 'graphicx.el' went through a bigger overhaul. The
optional argument of command '\includegraphics' now supports
key-val query; keys can independently be chosen anytime by pressing
the <,> key. As a side effect, the variable
'LaTeX-includegraphics-options-alist' is now no-op and is removed
from 'tex-style.el'. You can safely remove any customization of it
from your init file. The mandatory argument of '\includegraphics'
knows about image file extensions supported by the used engine and
offers them for inclusion.
* Support for other LaTeX packages was improved, and style files for
several new packages were added.
* Many bugs were crushed along the way.
News in 11.89
-------------
* You can now run all commands needed to compile a document and then
open the viewer with a single command: 'TeX-command-run-all', bound
to 'C-c C-a'.
* Commands such as 'LaTeX' and 'View' can now be executed
conveniently on the current section (or part, chapter, subsection,
etc). See 'LaTeX-command-section' and
'LaTeX-command-section-change-level'. *Note Starting a Command::,
for details.
* Forward and backward search with Evince now also work when only a
region of the document is compiled/viewed.
* To open the PDF output file you can now use also PDF Tools, a
document viewer for Emacs. With it, as a plus, forward and
backward search is accurate at word level.
* With new option 'TeX-PDF-via-dvips-ps2pdf' it is possible to
compile a document to DVI and then convert it to PDF using
'dvips'-'ps2pdf' before viewing it.
* New option 'TeX-file-line-error' allows to select file:line:error
style for error messages.
* Indent '\[...\]' math mode as a regular environment by default.
* Now AUCTeX suggests to run 'makeindex' when appropriate.
* 'TeX-view-program-list' can contain, as third optional element of
each item, the name of the executable(s) needed to open the viewer.
* 'TeX-expand-list' variable has been split into 'TeX-expand-list'
and 'TeX-expand-list-builtin'. Only the former is intended to be
customized by the user, the latter contains built-in expanders.
You might want to keep in 'TeX-expand-list' only new expansion
strings.
* Before running commands like TeX and LaTeX, now AUCTeX performs
some checks. If 'TeX-check-TeX' is non-nil, it will test whether a
working TeX distribution is actually present in the system and
available to Emacs. Instead, when 'TeX-check-engine' is non-nil,
before running LaTeX commands AUCTeX will check whether the correct
engine has been set, based upon known restrictions posed by LaTeX
packages.
* Basic support to ConTeXt Mark IV has been added. Users can now
select the Mark version to be used with new option
'ConTeXt-Mark-version', and AUCTeX is able to catch error messages
in the output log of a Mark IV document.
* Support for tons of LaTeX packages has been added.
* Numbers of bugs have been fixed, many minor features have been
added.
News in 11.88
-------------
* 'TeX-PDF-mode' is now enabled by default.
* Now 'TeX-previous-error' works with TeX commands if the new option
'TeX-parse-all-errors' is non-nil, which is the default. When this
option is non-nil, an overview of errors and warnings reported by
the TeX compiler can be opened with 'M-x TeX-error-overview <RET>'.
*Note Debugging::, for details.
* Style file authors are encouraged to distinguish common from expert
macros and environments, and mark the latter using
'TeX-declare-expert-macros' and
'LaTeX-declare-expert-environments'.
Users can then restrict completion using
'TeX-complete-expert-commands'.
* Management of LaTeX package options in the parser was improved.
You might need to reparse your documents, especially if you loaded
the 'babel' package with language options.
* Now you can insert '$...$' or '\(...\)' by typing a single '$'. To
do this, customize the new option 'TeX-electric-math'.
'TeX-math-close-double-dollar' was removed. *Note Quotes::, for
details.
* 'C-c <RET> documentclass <RET>' completes with all available LaTeX
classes, if the 'TeX-arg-input-file-search' variable is non-nil.
Completion for class options of the standard LaTeX classes is
provided as well.
* New user options 'LaTeX-default-author',
'LaTeX-fontspec-arg-font-search',
'LaTeX-fontspec-font-list-default', 'TeX-date-format', and
'TeX-insert-braces-alist'. A new possible value
('show-all-optional-args') for 'TeX-insert-macro-default-style' was
added. The default value of 'TeX-source-correlate-method' has been
changed.
* 'biblatex' support was greatly expanded. If parsing is enabled,
AUCTeX looks at 'backend' option to decide whether to use Biber or
BibTeX. The 'LaTeX-biblatex-use-Biber' variable was changed to be
file local only and is no more customizable.
* With some LaTeX classes, the default environment suggested by
'LaTeX-environment' ('C-c C-e') when the current environment is
'document' was changed. With 'beamer' class the default
environment is 'frame', with 'letter' it is 'letter', with 'slides'
it is 'slide'.
* Brace pairing feature was enhanced in LaTeX documents. Support for
'\bigl', '\Bigl', '\biggl' and '\Biggl', the same as the one for
'\left', was added to 'TeX-insert-macro'. For example, 'C-c <RET>
bigl <RET> ( <RET>' inserts '\bigl(\bigr)'.
You can insert brace pair '()', '{}' and '[]' by typing a single
left brace if the new user option 'LaTeX-electric-left-right-brace'
is enabled.
Macros '\langle', '\lfloor' and '\lceil', which produce the left
part of the paired braces, are treated similarly as '(', '{' and
'[' during the course of 'TeX-insert-macro'. *Note Quotes::, for
details.
* Support for dozens of LaTeX packages was added.
* Tabular-like environments ('tabular', 'tabular*', 'tabularx',
'tabulary', 'array', 'align', ...) are indented in a nicer and
more informative way when the column values of a table line are
written across multiple lines in the tex file.
* The suitable number of ampersands are inserted when you insert
'array', 'tabular' and 'tabular*' environments with 'C-c C-e'.
Similar experience is obtained if you terminate rows in these
environments with 'C-c <LFD>'. It supplies line break macro '\\'
and inserts the suitable number of ampersands on the next line.
Similar supports are provided for various 'amsmath' environments.
*Note Tabular-like::, for details.
* Commands for narrowing to a group ('TeX-narrow-to-group') and to
LaTeX environments ('LaTeX-narrow-to-environment') were added.
* Now arbitrary options can be passed to the TeX processor on a per
file basis using the 'TeX-command-extra-options' option. *Note
Processor Options::, for details.
* Now 'C-c C-e document <RET>', in an empty document, prompts for
'\usepackage' macros in addition to '\documentclass'.
* 'TeX-add-style-hook' has now a third argument to tell AUCTeX for
which dialect (LaTeX, Texinfo or BibTeX) the style hook is
registers. Labelling style hook by dialect will avoid applying
them not in the right context.
* There have been lots of bug fixes and feature additions.
News in 11.87
-------------
* AUCTeX now supports Biber in conjunction with biblatex in addition
to BibTeX.
* Each AUCTeX mode now has its own abbrev table. On Emacsen which
provide the possibility to inherit abbrevs from other tables, the
abbrevs from the Text mode abbrev table are available as well.
Newly defined abbrevs are written to the mode-specific tables,
though.
* The file 'tex-fptex.el' was removed.
* Forward/backward search for Evince has been improved. If Emacs is
compiled with DBUS support and a recent Evince version (3.x) is
installed, the communication goes over the desktop bus instead of
the command line, resulting in more accurate positioning of point
in Emacs and highlighting of the target paragraph in Evince.
* A problem where Ghostscript threw an '/invalidfileaccess' error
when running preview-latex was fixed.
* A lot of smaller fixes and additions have been made.
News in 11.86
-------------
* Parsing of LaTeX output was improved. It is now less likely that
AUCTeX opens a non-existent file upon calling 'TeX-next-error'; a
problem for example encountered when using MiKTeX 2.8. In addition
quoted file names as emitted by MiKTeX are now supported.
* A new framework for the definition and selection of viewers was
implemented. If you have customizations regarding viewers you will
have to redo them in this new framework or reenable the old one.
*Note Starting Viewers::, for details.
* Comprehensive editing support for PSTricks was added.
* Support for various LaTeX packages was added, e.g. 'tabularx',
'CJK', and 'hyperref'.
* An easy way to switch between TeX engines (PDFTeX, LuaTeX, XeTeX,
Omega) was added.
* Support for SyncTeX was added. This involves the command line
options for LaTeX and the viewer.
* Folding can now be customized to use macro arguments as replacement
text.
* 'preview.sty' now works with XeTeX.
* A lot of smaller and larger bugs have been squashed.
News in 11.85
-------------
* Font locking has been improved significantly. It is now less prone
to color bleeding which could lead to high resource usage. In
addition it now includes information about LaTeX macro syntax and
can indicate syntactically incorrect macros in LaTeX mode.
* The license was updated to GPLv3.
* Support for the nomencl, flashcards and comment LaTeX packages as
well as the Icelandic language option of babel were added.
* Support for folding of math macros was added.
* Lots of minor bugs in features and documentation fixed.
News in 11.84
-------------
* There have been problems with the '-without-texmf-dir' option to
'configure' when the value of '-with-kpathsea-sep' was set or
determined for an installation system with a default different from
that of the runtime system. 'with-kpathsea-sep' has been removed;
the setting is now usually determined at runtime.
Due to this and other problems, preview-latex in the released
XEmacs package failed under Windows or with anything except recent
21.5 XEmacsen.
* AUCTeX and preview-latex have been changed in order to accommodate
file names containing spaces. preview-latex now tolerates bad
PostScript code polluting the stack (like some Omega fonts).
* 'preview.sty' had in some cases failed to emit PostScript header
specials.
* Support for folding of comments was added.
* The 'polish' language option of the babel LaTeX package as well as
the polski LaTeX package are now supported. Most notably this
means that AUCTeX will help to insert quotation marks as defined by
'polish.sty' ('"`..."'') and 'polski.sty' (',,...''').
* The TeX tool bar is now available and enabled by default in plain
TeX mode. *Note Processing Facilities::.
* Bug fix in the display of math subscripts and superscripts.
* Bug fix 'TeX-doc' for Emacs 21.
* There has been quite a number of other bug fixes to various
features and documentation across the board.
News in 11.83
-------------
* The new function 'TeX-doc' provides easy access to documentation
about commands and packages or information related to TeX and
friends in general. *Note Documentation::.
* You can now get rid of generated intermediate and output files by
means of the new 'Clean' and 'Clean All' entries in
'TeX-command-list' accessible with 'C-c C-c' or the Command menu.
*Note Cleaning::.
* Support for forward search with PDF files was added. That means
you can jump to a place in the output file corresponding to the
position in the source file. *Note Viewing::.
Adding support for this feature required the default value of the
variable 'TeX-output-view-style' to be changed. Please make sure
you either remove any customizations overriding the new default or
incorporate the changes into your customizations if you want to use
this feature.
* TeX error messages of the '-file-line-error' kind are now
understood in AUCTeX and preview-latex (parsers are still
separate).
* Bug fix in XyMTeX support.
* The LaTeX tool bar is now enabled by default. *Note Processing
Facilities::.
News in 11.82
-------------
* Support for the MinionPro LaTeX package was added.
* Warnings and underfull/overfull boxes are now being indicated in
the echo area after a LaTeX run, if the respective debugging
options are activated with 'TeX-toggle-debug-warnings' ('C-c C-t
C-w') or 'TeX-toggle-debug-bad-boxes' ('C-c C-t C-b'). In this
case 'TeX-next-error' will find these warnings in addition to
normal errors.
The key binding 'C-c C-w' for 'TeX-toggle-debug-bad-boxes' (which
was renamed from 'TeX-toggle-debug-boxes') now is deprecated.
* AUCTeX now can automatically insert a pair of braces after typing
<_> or <^> in math constructs if the new variable
'TeX-electric-sub-and-superscript' is set to a non-nil value.
* Some language-specific support for French was added. There now is
completion support for the commands provided by the 'frenchb' (and
'francais') options of the babel LaTeX package and easier input of
French quotation marks ('\og ...\fg') which can now be inserted by
typing <">.
* Completion support for options of some LaTeX packages was added.
* Already in version 11.81 the way to activate AUCTeX changed
substantially. This should now be done with '(load "auctex.el" nil
t t)' instead of the former '(require 'tex-site)'. Related to this
change 'tex-mik.el' does not load 'tex-site.el' anymore. That
means if you used only '(require 'tex-mik)' in order to activate
AUCTeX, you have to add '(load "auctex.el" nil t t)' before the
latter statement. *Note Loading the package::.
* Handling of verbatim constructs was consolidated across AUCTeX.
This resulted in the font-latex-specific variables
'font-latex-verb-like-commands', 'font-latex-verbatim-macros', and
'font-latex-verbatim-environments' being removed and the more
general variables 'LaTeX-verbatim-macros-with-delims',
'LaTeX-verbatim-macros-with-braces', and
'LaTeX-verbatim-environments' being added.
* The output of a BibTeX run is now checked for warnings and errors,
which are reported in the echo area.
* The aliases for 'font-latex-title-fontify' were removed. Use
'font-latex-fontify-sectioning' instead.
* The problem that Japanese macros where broken across lines was
fixed.
* Various bug fixes.
News in 11.81
-------------
* 'LaTeX-mark-section' now marks subsections of a given section as
well. The former behavior is available via the prefix argument.
* preview-latex which was previously available separately became a
subsystem of AUCTeX. There is no documented provision for building
or installing preview-latex separately. It is still possible to
use and install AUCTeX without preview-latex, however.
* The installation procedures have been overhauled and now also
install startup files as part of the process (those had to be
copied manually previously). You are advised to remove previous
installations of AUCTeX and preview-latex before starting the
installation procedure. A standard installation from an unmodified
tarball no longer requires Makeinfo or Perl.
Also note that the way AUCTeX is supposed to be activated changed.
Instead of '(require 'tex-site)' you should now use '(load
"auctex.el" nil t t)'. While the former method may still work, the
new method has the advantage that you can deactivate a preactivated
AUCTeX with the statement '(unload-feature 'tex-site)' before any
of its modes have been used. This may be important especially for
site-wide installations.
* Support for the babel LaTeX package was added.
* Folding a buffer now ensures that the whole buffer is fontified
before the actual folding is carried out. If this results in
unbearably long execution times, you can fall back to the old
behavior of relying on stealth font locking to do this job in the
background by customizing the variable 'TeX-fold-force-fontify'.
* Folded content now reveals part of its original text in a tooltip
or the echo area when hovering with the mouse pointer over it.
* The language-specific insertion of quotation marks was generalized.
The variables 'LaTeX-german-open-quote',
'LaTeX-german-close-quote', 'LaTeX-german-quote-after-quote',
'LaTeX-italian-open-quote', 'LaTeX-italian-close-quote', and
'LaTeX-italian-quote-after-quote' are now obsolete. If you are not
satisfied with the default settings, you should customize
'TeX-quote-language-alist' instead.
* Similar to language-specific quote insertion, AUCTeX now helps you
with hyphens in different languages as well. *Note European::, for
details.
* Fill problems in Japanese text introduced in AUCTeX 11.55 were
fixed. AUCTeX tries not to break lines between 1-byte and 2-byte
chars. These features will work in Chinese text, too.
* The scaling factor of the fontification of sectioning commands can
now be customized using the variable
'font-latex-fontify-sectioning'. This variable was previously
called 'font-latex-title-fontify'; In this release we provide an
alias but this will disappear in one of the the next releases. The
faces for the sectioning commands are now called
'font-latex-sectioning-N-face' (N=0...5) instead of
'font-latex-title-N-face' (N=1...4). Analogously the names of the
variables holding the related keyword lists were changed from
'font-latex-title-N-keywords' to
'font-latex-sectioning-N-keywords'. *Note Font Locking::, for
details. Make sure to adjust your customizations.
* Titles in beamer slides marked by the "\frametitle" command are
know displayed with the new face 'font-latex-slide-title-face'.
You can add macros to be highlighted with this face to
'font-latex-match-slide-title-keywords'.
* Of course a lot of bugs have been fixed.
News in 11.55
-------------
* A bug was fixed which lead to the insertion of trailing whitespace
during filling. In particular extra spaces were added to sentence
endings at the end of lines. You can make this whitespace visible
by setting the variable 'show-trailing-whitespace' to 't'. If you
want to delete all trailing whitespace in a buffer, type 'M-x
delete-trailing-whitespace <RET>'.
* A bug was fixed which lead to a '*Compile-Log*' buffer popping up
when the first LaTeX file was loaded in an Emacs session.
* On some systems the presence of an outdated Emacspeak package lead
to the error message 'File mode specification error: (error
"Variable binding depth exceeds max-specpdl-size")'. Precautions
were added which prevent this error from happening. But
nevertheless, it is advised to upgrade or uninstall the outdated
Emacspeak package.
* The value of 'TeX-macro-global' is not determined during
configuration anymore but at load time of AUCTeX. Consequently the
associated configuration option '--with-tex-input-dirs' was
removed.
* Support for the LaTeX Japanese classes 'jsarticle' and 'jsbook' was
added.
News in 11.54
-------------
* The parser (used e.g. for 'TeX-auto-generate-global') was extended
to recognize keywords common in LaTeX packages and classes, like
"\DeclareRobustCommand" or "\RequirePackage". Additionally a bug
was fixed which led to duplicate entries in AUCTeX style files.
* Folding can now be done for paragraphs and regions besides single
constructs and the whole buffer. With the new 'TeX-fold-dwim'
command content can both be hidden and shown with a single key
binding. In course of these changes new key bindings for unfolding
commands where introduced. The old bindings are still present but
will be phased out in future releases.
* Info files of the manual now have a .info extension.
* There is an experimental tool bar support now. It is not activated
by default. If you want to use it, add
(add-hook 'LaTeX-mode-hook 'LaTeX-install-toolbar)
to your init file.
* The manual now contains a new chapter "Quick Start". It explains
the main features and how to use them, and should be enough for a
new user to start using AUCTeX.
* A new section "Font Locking" was added to the manual which explains
syntax highlighting in AUCTeX and its customization. Together with
the sections related to folding and outlining, the section is part
of the new chapter "Display".
* Keywords for syntax highlighting of LaTeX constructs to be typeset
in bold, italic or typewriter fonts may now be customized. Besides
the built-in classes, new keyword classes may be added by
customizing the variable 'font-latex-user-keyword-classes'. The
customization options can be found in the customization group
'font-latex-keywords'.
* Verbatim content is now displayed with the 'fixed-pitch' face.
(GNU Emacs only)
* Syntax highlighting should not spill out of verbatim content
anymore. (GNU Emacs only)
* Verbatim commands like '\verb|...|' will not be broken anymore
during filling.
* You can customize the completion for graphic files with
'LaTeX-includegraphics-read-file'.
* Support for the LaTeX packages 'url', 'listings', 'jurabib' and
'csquotes' was added with regard to command completion and syntax
highlighting.
* Performance of fontification and filling was improved.
* Insertion of nodes in Texinfo mode now supports completion of
existing node names.
* Setting the variable 'LaTeX-float' to 'nil' now means that you will
not be prompted for the float position of figures and tables. You
can get the old behaviour of 'nil' by setting the variable to '""',
i.e. an empty string. See also *note Floats::.
* The XEmacs-specific bug concerning 'overlays-at' was fixed.
* Lots of bug fixes.
News in 11.53
-------------
* The LaTeX math menu can include Unicode characters if your Emacs
built supports it. See the variable 'LaTeX-math-menu-unicode',
*note Mathematics::.
* Bug fixes for XEmacs.
* Completion for graphic files in the TeX search path has been added.
* 'start' is used for the viewer for MiKTeX and fpTeX.
* The variable 'TeX-fold-preserve-comments' can now be customized to
deactivate folding in comments.
News in 11.52
-------------
* Installation and menus under XEmacs work again (maybe for the first
time).
* Fontification of subscripts and superscripts is now disabled when
the fontification engine is not able to support it properly.
* Bug fixes in the build process.
News in 11.51
-------------
* PDFTeX and Source Special support did not work with ConTeXt, this
has been fixed. Similar for Source Special support under Windows.
* Omega support has been added.
* Bug fixes in the build process.
* 'TeX-fold' now supports folding of environments in Texinfo mode.
News in 11.50
-------------
* The use of source specials when processing or viewing the document
can now be controlled with the new 'TeX-source-specials' minor mode
which can be toggled via an entry in the Command menu or the key
binding 'C-c C-t C-s'. If you have customized the variable
'TeX-command-list', you have to re-initialize it for this to work.
This means to open a customization buffer for the variable by
typing 'M-x customize-variable <RET> TeX-command-list <RET>',
selecting "Erase Customization" and do your customization again
with the new default.
* The content of the command menu now depends on the mode (plain TeX,
LaTeX, ConTeXt etc.). Any former customization of the variable
'TeX-command-list' has to be erased. Otherwise the command menu
and the customization will not work correctly.
* Support for hiding and auto-revealing macros, e.g. footnotes or
citations, and environments in a buffer was added, *note Folding::.
* You can now control if indentation is done upon typing <RET> by
customizing the variable 'TeX-newline-function', *note Indenting::.
* Limited support for 'doc.sty' and 'ltxdoc.cls' ('dtx' files) was
added. The new docTeX mode provides functionality for editing
documentation parts. This includes formatting (indenting and
filling), adding and completion of macros and environments while
staying in comments as well as syntax highlighting. (Please note
that the mode is not finished yet. For example syntax highlighting
does not work yet in XEmacs.)
* For macro completion in docTeX mode the AUCTeX style files
'doc.el', 'ltxdoc.el' and 'ltx-base.el' were included. The latter
provides general support for low-level LaTeX macros and may be used
with LaTeX class and style files as well. It is currently not
loaded automatically for those files.
* Support for ConTeXt with a separate ConTeXt mode is now included.
Macro definitions for completion are available in Dutch and
English.
* The filling and indentation code was overhauled and is now able to
format commented parts of the source syntactically correct. Newly
available functionality and customization options are explained in
the manual.
* Filling and indentation in XEmacs with preview-latex and activated
previews lead to the insertion of whitespace before multi-line
previews. AUCTeX now contains facilities to prevent this problem.
* If 'TeX-master' is set to 't', AUCTeX will now query for a master
file only when a new file is opened. Existing files will be left
alone. The new function 'TeX-master-file-ask' (bound to 'C-c _' is
provided for adding the variable manually.
* Sectioning commands are now shown in a larger font on display
devices which support such fontification. The variable
'font-latex-title-fontify' can be customized to restore the old
appearance, i.e. the usage of a different color instead of a change
in size.
* Support for 'alphanum.sty', 'beamer.cls', 'booktabs.sty',
'captcont.sty', 'emp.sty', 'paralist.sty', 'subfigure.sty' and
'units.sty'/'nicefrac.sty' was added. Credits go to the authors
mentioned in the respective AUCTeX style files.
* Inserting graphics with 'C-c <RET> includegraphics <RET>' was
improved. See the variable 'LaTeX-includegraphics-options-alist'.
* If 'LaTeX-default-position' is 'nil', don't prompt for position
arguments in Tabular-like environments, see *note Tabular-like::.
* Completion for available packages when using 'C-c <RET> usepackage
<RET>' was improved on systems using the kpathsea library.
* The commenting functionality was fixed. The separate functions for
commenting and uncommenting were unified in one function for
paragraphs and regions respectively which do both.
* Syntax highlighting can be customized to fontify quotes delimited
by either >>German<< or <<French>> quotation marks by changing the
variable 'font-latex-quotes'.
* Certain TeX/LaTeX keywords for functions, references, variables and
warnings will now be fontified specially. You may add your own
keywords by customizing the variables
'font-latex-match-function-keywords',
'font-latex-match-reference-keywords',
'font-latex-match-variable-keywords' and
'font-latex-match-warning-keywords'.
* If you include the style files 'german' or 'ngerman' in a document
(directly or via the 'babel' package), you should now customize
'LaTeX-german-open-quote', 'LaTeX-german-close-quote' and
'LaTeX-german-quote-after-quote' instead of 'TeX-open-quote',
'TeX-close-quote' and 'TeX-quote-after-quote' if you want to
influence the type of quote insertion.
* Upon viewing an output file, the right viewer and command line
options for it are now determined automatically by looking at the
extension of the output file and certain options used in the source
file. The behavior can be adapted or extended respectively by
customizing the variable 'TeX-output-view-style'.
* You can control whether 'TeX-insert-macro' ('C-c <RET>') ask for
all optional arguments by customizing the variable
'TeX-insert-macro-default-style', *note Completion::.
* 'TeX-run-discard' is now able to completely detach a process that
it started.
* The build process was enhanced and is now based on 'autoconf'
making installing AUCTeX a mostly automatic process. See *note
Installation:: and *note Installation under MS Windows:: for
details.
News in 11.14
-------------
* Many more LaTeX and LaTeX2e commands are supported. Done by
Masayuki Ataka <ataka@milk.freemail.ne.jp>
News in 11.12
-------------
* Support for the KOMA-Script classes. Contributed by Mark Trettin
<Mark.Trettin@gmx.de>.
News in 11.11
-------------
* Support for 'prosper.sty', see <http://prosper.sourceforge.net/>.
Contributed by Phillip Lord <p.lord@russet.org.uk>.
News in 11.10
-------------
* 'comment-region' now inserts %% by default. Suggested by "Davide
G. M. Salvetti" <salve@debian.org>>.
News in 11.06
-------------
* You can now switch between using the 'font-latex' (all emacsen),
the 'tex-font' (Emacs 21 only) or no special package for font
locking. Customize 'TeX-install-font-lock' for this.
News in 11.04
-------------
* Now use -t landscape by default when landscape option appears.
Suggested by Erik Frisk <frisk@isy.liu.se>.
News in 11.03
-------------
* Use 'tex-fptex.el' for fpTeX support. Contributed by Fabrice
Popineau <Fabrice.Popineau@supelec.fr>.
News in 11.02
-------------
* New user option 'LaTeX-top-caption-list' specifies environments
where the caption should go at top. Contributed by
<ataka@milk.freemail.ne.jp> (Masayuki Ataka).
* Allow explicit dimensions in 'graphicx.sty'. Contributed by
<ataka@milk.freemail.ne.jp> (Masayuki Ataka).
* Limited support for 'verbatim.sty'. Contributed by
<ataka@milk.freemail.ne.jp> (Masayuki Ataka).
* Better support for amsmath items. Patch by
<ataka@milk.freemail.ne.jp> (Masayuki Ataka).
* More accurate error parsing. Added by David Kastrup
<David.Kastrup@t-online.de>.
News in 11.01
-------------
* Bug fixes.
Older versions
--------------
See the file 'history.texi' for older changes.

File: auctex.info, Node: Development, Next: FAQ, Prev: Changes, Up: Appendices
A.3 Future Development
======================
The following sections describe future development of AUCTeX. Besides
mid-term goals, bug reports and requests we cannot fix or honor right
away are being gathered here. If you have some time for Emacs Lisp
hacking, you are encouraged to try to provide a solution to one of the
following problems. If you don't know Lisp, you may help us to improve
the documentation. It might be a good idea to discuss proposed changes
on the mailing list of AUCTeX first.
* Menu:
* Mid-term Goals::
* Wishlist::
* Bugs::

File: auctex.info, Node: Mid-term Goals, Next: Wishlist, Up: Development
A.3.1 Mid-term Goals
--------------------
* Integration of preview-latex into AUCTeX
As of AUCTeX 11.81 preview-latex is a part of AUCTeX in the sense
that the installation routines were merged and preview-latex is
being packaged with AUCTeX.
Further integration will happen at the backend. This involves
folding of error parsing and task management of both packages which
will ease development efforts and avoid redundant work.
* Error help catalogs
Currently, the help for errors is more or less hardwired into
'latex.el'. For supporting error help in other languages, it would
be sensible to instead arrange error messages in language-specific
files, make a common info file from all such catalogs in a given
language and look the error texts up in an appropriate index. The
user would then specify a preference list of languages, and the
errors would be looked up in the catalogs in sequence until they
were identified.
* Combining 'docTeX' with RefTeX
Macro cross references should also be usable for document
navigation using RefTeX.
* Fix remove-style feature
Currently 'TeX-remove-style' implementation isn't good. It is
common practice that major mode functions directly add macros and
environments via 'TeX-add-symbols' and 'LaTeX-add-environments',
but those macros and environments are lost once 'TeX-remove-style'
runs. It is necessary to run major mode function, by e.g.
'normal-mode', again to recover them, but that makes no point in
running 'TeX-remove-style' itself because major mode function kills
all buffer-local variables.
As of AUCTeX 12.3, 'TeX-remove-style' is no longer used by any
other codes.
* Factor out syntax propertization from 'font-latex.el'
Syntax propertization is implemented in 'font-latex.el'. This
means that features which depend on syntax parse don't work well
for 'tex-font.el' users and those who disable font lock.
Hence syntax propertization should be factored out from
'font-latex.el' and implemented as a major mode facility.
(Texinfo mode is an exception because it already has its own syntax
propertize function, which just copies the one available in Emacs
built-in texinfo mode.)
* Add documentation
Following entries should be included in the document:
- Variables 'LaTeX-insert-into-comments',
'TeX-translate-location-hook'
- How to use 'TeX-auto-add-type', as well as functions and
variables generated by that macro. They should be covered in
the node *note Hacking the Parser::.
- Usage of ConTeXt mode

File: auctex.info, Node: Wishlist, Next: Bugs, Prev: Mid-term Goals, Up: Development
A.3.2 Wishlist
--------------
* Enable syntactic font lock for verbatim constructs in 'docTeX' mode
In 'docTeX' mode buffer, '%' sign at the line beginning hinders
syntactic font lock of verbatim constructs. This should be
improved.
* Simplify tool bar implementation
The library 'toolbar-x.el' was developed as an abstraction layer to
absorb difference between XEmacs and GNU Emacs. Now that XEmacs is
no longer supported, the library, together with 'tex-bar.el' as a
whole, can be much simplified (or even unified).
* Documentation lookup for macros
A parser could gather information about which macros are defined in
which LaTeX packages and store the information in a hashtable which
can be used in a backend for 'TeX-doc' in order to open the
matching documentation for a given macro. The information could
also be used to insert an appropriate '\usepackage' statement if
the user tries to insert a macro for which the respective package
has not been requested yet.
* Improvements to error reporting
Fringe indicators for errors in the main text would be nice.
* A math entry grid
A separate frame with a table of math character graphics to click
on in order to insert the respective sequence into the buffer (cf.
the "grid" of 'x-symbol').
* Crossreferencing support
It would be nice if you could index process your favorite
collection of '.dtx' files (such as the LaTeX source), just call a
command on arbitrary control sequence, and get either the DVI
viewer opened right at the definition of that macro (using Source
Specials), or the source code of the '.dtx' file.
* Better plain TeX support
For starters, 'LaTeX-math-mode' is not very LaTeX-specific in the
first place, and similar holds for indentation and formatting.
* Page count when compiling should (optionally) go to modeline of the
window where the compilation command was invoked, instead of the
output window. Suggested by Karsten Tinnefeld
<tinnefeld@irb.informatik.uni-dortmund.de>.
* Command to insert a macrodefinition in the preamble, without moving
point from the current location. Suggested by "Jeffrey C. Ely"
<ely@nwu.edu>.
* A database of all commands defined in all stylefiles. When a
command or environment gets entered that is provided in one of the
styles, insert the appropriate '\usepackage' in the preamble.
* A way to add and overwrite math mode entries in style files, and to
decide where they should be. Suggested by Remo Badii
<Remo.Badii@psi.ch>.
* Create template for (first) line of tabular environment.
* I think prompting for the master is the intended behaviour. It
corresponds to a 'shared' value for 'TeX-master'.
There should probably be a 'none' value which wouldn't query for
the master, but instead disable all features that relies on
'TeX-master'.
This default value for 'TeX-master' could then be controled with
mapping based on the extension.
* Use index files (when available) to speed up 'C-c C-m include
<RET>'.
* Option not to calculate very slow completions like for 'C-c C-m
include <RET>'.
* Font menu should be created from 'TeX-font-list'.
* Installation procedure written purely in emacs lisp.
* Included PostScript files should also be counted as part of the
document.
* A nice hierarchical by-topic organization of all officially
documented LaTeX macros, available from the menu bar.
* 'TeX-command-default' should be set from the master file, if not
set locally. Suggested by Peter Whaite <peta@cim.mcgill.ca>.
* Make AUCTeX work with 'crypt++'. Suggested by Chris Moore
<Chris.Moore@src.bae.co.uk>.
* Make AUCTeX work with 'longlines'. This would also apply to
preview-latex, though it might make sense to unify error processing
before attempting this.
* The 'Spell' command should apply to all files in a document. Maybe
it could try to restrict to files that have been modified since
last spell check? Suggested by Ravinder Bhumbla
<rbhumbla@ucsd.edu>.
* Make <.> check for abbreviations and sentences ending with capital
letters.
* Use Emacs 19 minibuffer history to choose between previewers, and
other stuff. Suggested by John Interrante
<interran@uluru.Stanford.EDU>.
* Documentation of variables that can be set in a style hook.
We need a list of what can safely be done in an ordinary style
hook. You can not set a variable that AUCTeX depends on, unless
AUCTeX knows that it has to run the style hooks first.
Here is the start of such a list.
'LaTeX-add-environments'
'TeX-add-symbols'
'LaTeX-add-labels'
'LaTeX-add-bibliographies'
'LaTeX-largest-level'
* Outline should be (better) supported in TeX mode.
At least, support headers, trailers, as well as
'TeX-outline-extra'.
* 'TeX-header-start' and 'TeX-trailer-end'.
We might want these, just for fun (and outlines)
* Plain TeX and LaTeX specific header and trailer expressions.
We should have a way to globally specify the default value of the
header and trailer regexps.
* Get closer to original 'TeX-mode' keybindings.
A third initialization file ('tex-mode.el') containing an emulator
of the standard 'TeX-mode' would help convince some people to
change to AUCTeX.
* Use markers in 'TeX-error-list' to remember buffer positions in
order to be more robust with regard to line numbers and changed
files.
* Finish the Texinfo mode. For one thing, many Texinfo mode commands
do not accept braces around their arguments.
* Hook up the letter environment with 'bbdb.el'.

File: auctex.info, Node: Bugs, Prev: Wishlist, Up: Development
A.3.3 Bugs
----------
* The style hooks automatically generated by parsing files for
'example.dtx', 'example.sty', 'example.drv' and 'example.bib' all
clash. Bad. Clash with hand-written style hooks should be removed
by dialect discrimination -- to be checked.
* 'C-c `' should always stay in the current window, also when it
finds a new file.
* Do not overwrite emacs warnings about existing auto-save files when
loading a new file.
* Maybe the regexp for matching a TeX symbol during parsing should be
'"\\\\\\([a-zA-Z]+\\|.\\)"' --
<thiemann@informatik.uni-tuebingen.de> Peter Thiemann.
* AUCTeX should not parse verbatim environments.
* Make '`' check for math context in 'LaTeX-math-mode'. and simply
self insert if not in a math context.
* Make 'TeX-insert-dollar' more robust. Currently it can be fooled
by '\mbox''es and escaped double dollar for example.
* Correct indentation for tabbing, table, and math environments.

File: auctex.info, Node: FAQ, Next: Texinfo mode, Prev: Development, Up: Appendices
A.4 Frequently Asked Questions
==============================
1. Something is not working correctly. What should I do?
Well, you might have guessed it, the first place to look is in the
available documentation packaged with AUCTeX. This could be the
release notes (in the 'RELEASE' file) or the news section of the
manual in case you are experiencing problems after an upgrade, the
'INSTALL' file in case you are having problems with the
installation, the section about bugs in the manual in case you
encountered a bug or the relevant sections in the manual for other
related problems.
If this did not help, you can send a bug report to the AUCTeX bug
reporting list by using the command 'M-x TeX-submit-bug-report
<RET>'. But before you do this, you can try to get more
information about the problem at hand which might also help you
locate the cause of the error yourself.
First, you can try to generate a so-called backtrace which shows
the functions involved in a program error. In order to do this,
start Emacs with the command line 'emacs --debug-init' and/or put
the line
(setq debug-on-error t)
as the first line into your init file. After Emacs has started,
you can load a file which triggers the error and a new window
should pop up showing the backtrace. If you get such a backtrace,
please include it in the bug report.
Second, you can try to figure out if something in your personal or
site configuration triggers the error by starting Emacs without
such customizations. You can do this by invoking Emacs with the
following command line, depending on the installation scheme of
AUCTeX and your OS:
* If you installed AUCTeX from ELPA, use 'emacs -q -no-site-file
--eval "(progn (setq package-load-list '((auctex t)))
(package-initialize))"'. The '--eval' option activates only
AUCTeX among all installed EPLA packages.
* If you installed AUCTeX via traditional 'configure'-'make'
scheme, use 'emacs -q -no-site-file -l auctex'. The '-l'
option loads 'auctex.el' which you normally do in your init
file.
* In both above cases, use 'runemacs' instead of 'emacs' on
windows.
After you have started Emacs like this, you can load the file
triggering the error. If everything is working now, you know that
you have to search either in the site configuration file or your
personal init file for statements related to the problem.
2. What versions of Emacs are supported?
AUCTeX was tested with GNU Emacs 25.1. Older versions may work but
are unsupported.
3. What should I do when './configure' does not find programs like
'latex'?
This is problem often encountered on Windows. Make sure that the
'PATH' environment variable includes the directories containing the
relevant programs, as described in *note (auctex)Installation under
MS Windows::.
4. Why doesn't the completion, style file, or multifile stuff work?
It must be enabled first, insert this in your init file:
(setq-default TeX-master nil)
(setq TeX-parse-self t)
(setq TeX-auto-save t)
Read also the chapters about parsing and multifile documents in the
manual. *Note Parsing Files:: and *note Multifile::.
5. Why doesn't 'TeX-save-document' work?
'TeX-check-path' has to contain "'./'" somewhere.
6. Why is the information in 'foo.tex' forgotten when I save
'foo.bib'?
For various reasons, AUCTeX ignores the extension when it stores
information about a file, so you should use unique base names for
your files. E.g. rename 'foo.bib' to 'foob.bib'.
7. Why doesn't AUCTeX signal when processing a document is done?
If the message in the minibuffer stays "Type 'C-c C-l' to display
results of compilation.", you probably have a misconfiguration in
your init file ('.emacs', 'init.el' or similar). To track this
down either search in the '*Messages*' buffer for an error message
or put '(setq debug-on-error t)' as the first line into your init
file, restart Emacs and open a LaTeX file. Emacs will complain
loudly by opening a debugging buffer as soon as an error occurs.
The information in the debugging buffer can help you find the cause
of the error in your init file.
8. Why does 'TeX-next-error' ('C-c `') fail?
If 'TeX-file-line-error' is set to nil (not the default), these
sort of failures might be related to the the fact that when writing
the log file, TeX puts information related to a file, including
error messages, between a pair of parentheses. In this scenario
AUCTeX determines the file where the error happened by parsing the
log file and counting the parentheses. This can fail when there
are other, unbalanced parentheses present.
Activating so-called 'file:line:error' messages for the log file
usually solves this issue, as these kind of messages are are easier
to parse; however, they may lack some details. Activation can be
done either in the configuration of your TeX system (consult its
manual to see where this is) or by simply keeping the variable
'TeX-file-line-error' to the default value of non-nil.
9. What does 'AUC' stand for?
AUCTeX came into being at Aalborg University in Denmark. Back then
the Danish name of the university was Aalborg Universitetscenter;
'AUC' for short.

File: auctex.info, Node: Texinfo mode, Prev: FAQ, Up: Appendices
A.5 Features specific to AUCTeX's Texinfo major mode
====================================================
AUCTeX includes a major mode for editting Texinfo files. This major
mode is not the same mode as the native Texinfo mode (*note
(texinfo)Texinfo Mode::) of Emacs, although they have the same name.
However, AUCTeX still relies on a number of functions from the native
Texinfo mode.
The following text describes which functionality is offered by AUCTeX
and which by the native Texinfo mode. This should enable you to decide
when to consult the AUCTeX manual and when the manual of the native
mode. And in case you are a seasoned user of the native mode, the
information should help you to swiftly get to know the AUCTeX-specific
commands.
* Menu:
* Exploiting:: How AUCTeX and the native mode work together
* Superseding:: Where the native mode is superseded
* Mapping:: Where key bindings are mapped to the native mode
* Unbinding:: Which native mode key bindings are missing

File: auctex.info, Node: Exploiting, Next: Superseding, Up: Texinfo mode
A.5.1 How AUCTeX and the native mode work together
--------------------------------------------------
In a nutshell the split between AUCTeX Texinfo mode, and native Texinfo
mode is as follows:
* Most of the editing (environment creation, commenting, font command
insertions) and/or processing commands (e.g. compiling or printing)
which are available in other AUCTeX modes are also handled by
AUCTeX in Texinfo mode.
* Texinfo-related features (e.g. info node linkage or menu creation)
rely on the commands provided by the native Texinfo mode. AUCTeX
provides the key bindings to reach these functions, keeping the
same keys as in native Texinfo whenever possible, or similar ones
otherwise.

File: auctex.info, Node: Superseding, Next: Mapping, Prev: Exploiting, Up: Texinfo mode
A.5.2 Where the native mode is superseded
-----------------------------------------
This section is directed to users of the native Texinfo mode switching
to AUCTeX. It follows the summary of the native mode (*note
(texinfo)Texinfo Mode Summary::) and lists which of its commands are no
longer of use.
Insert commands
In the native Texinfo mode, frequently used Texinfo commands can be
inserted with key bindings of the form 'C-c C-c K' where K differs
for each Texinfo command; 'c' inserts '@code', 'd' inserts '@dfn',
'k' '@kbd', etc.
In AUCTeX commands are inserted with the key binding 'C-c C-m'
instead which prompts for the macro to be inserted. For font
selection commands (like '@b', '@i', or '@emph') and a few related
ones (like '@var', '@key' or '@code') there are bindings which
insert the respective macros directly. They have the form 'C-c C-f
K' or 'C-c C-f C-K' and call the function 'TeX-font'. Type 'C-c
C-f <RET>' to get a list of supported commands.
Note that the prefix argument is not handled the same way by
AUCTeX. Note also that the node insertion command from the native
mode ('texinfo-insert-@node') can still accessed from the Texinfo
menu in AUCTeX.
Insert braces
In AUCTeX braces can be inserted with the same key binding as in
the native Texinfo mode: 'C-c {'. But AUCTeX uses its own function
for the feature: 'TeX-insert-braces'.
Insert environments
The native Texinfo mode does not insert full environments.
Instead, it provides the function 'texinfo-insert-@end' (mapped to
'C-c C-c e') for closing an open environment with a matching '@end'
statement.
In AUCTeX you can insert full environments, i.e. both the opening
and closing statements, with the function 'Texinfo-environment'
(mapped to 'C-c C-e').
Format info files with makeinfo and TeX
In the native Texinfo mode there are various functions and bindings
to format a region or the whole buffer for info or to typeset the
respective text. For example, there is 'makeinfo-buffer' (mapped
to 'C-c C-m C-b') which runs 'makeinfo' on the buffer or there is
'texinfo-tex-buffer' (mapped to 'C-c C-t C-b') which runs TeX on
the buffer in order to produce a DVI file.
In AUCTeX different commands for formatting or typesetting can be
invoked through the function 'TeX-command-master' (mapped to 'C-c
C-c'). After typing 'C-c C-c', you can select the desired command,
e.g 'Makeinfo' or 'TeX', through a prompt in the mini buffer. Note
that you can make, say 'Makeinfo', the default by adding this
statement in your init file:
(add-hook 'Texinfo-mode-hook
(lambda () (setq TeX-command-default "Makeinfo")))
Note also that 'C-c C-c Makeinfo <RET>' is not completely
functionally equivalent to 'makeinfo-buffer' as the latter will
display the resulting info file in Emacs, showing the node
corresponding to the position in the source file, just after a
successful compilation. This is why, while using AUCTeX, invoking
'makeinfo-buffer' might still be more convenient.
Note also that in the case of a multifile document, 'C-c C-c' in
AUCTeX will work on the whole document (provided that the file
variable 'TeX-master' is set correctly), while 'makeinfo-buffer' in
the native mode will process only the current buffer, provided at
the '@setfilename' statement is provided.
Produce indexes and print
The native Texinfo mode provides the binding 'C-c C-t C-i'
('texinfo-texindex') for producing an index and the bindings 'C-c
C-t C-p' ('texinfo-tex-print') and 'C-c C-t C-q'
('tex-show-print-queue') for printing and showing the printer
queue. These are superseded by the respective commands available
through 'C-c C-c' ('TeX-command-master') in AUCTeX: 'Texindex',
'Print', and 'Queue'.
Kill jobs
The command 'C-c C-t C-k' ('tex-kill-job') in the native mode is
superseded by 'C-c C-k' ('TeX-kill-job') in AUCTeX.

File: auctex.info, Node: Mapping, Next: Unbinding, Prev: Superseding, Up: Texinfo mode
A.5.3 Where key bindings are mapped to the native mode
------------------------------------------------------
This node follows the native Texinfo mode summary (*note
(texinfo)Texinfo Mode Summary::) and lists only those commands to which
AUCTeX provides a keybinding.
Basically all commands of the native mode related to producing menus
and interlinking nodes are mapped to same or similar keys in AUCTeX,
while a few insertion commands are mapped to AUCTeX-like keys.
'@item' insertion
The binding 'C-c C-c i' for the insertion of '@item' in the native
mode is mapped to 'M-<RET>' or 'C-c C-j' in AUCTeX, similar to
other AUCTeX modes.
'@end' insertion
The binding 'C-c C-c e' for closing a '@FOO' command by a
corresponding '@end FOO' statement in the native mode is mapped to
'C-c ]' in AUCTeX, similar to other AUCTeX modes.
Move out of balanced braces
The binding 'C-c }' ('up-list') is available both in the native
mode and in AUCTeX. (This is because the command is not
implemented in either mode but a native Emacs command.) However,
in AUCTeX, you cannot use 'C-c ]' for this, as it is used for
'@end' insertion.
Update pointers
The bindings 'C-c C-u C-n' ('texinfo-update-node') and 'C-c C-u
C-e' ('texinfo-every-node-update') from the native mode are
available in AUCTeX as well.
Update menus
The bindings 'C-c C-u m' ('texinfo-master-menu'), 'C-c C-u C-m'
('texinfo-make-menu'), and 'C-c C-u C-a'
('texinfo-all-menus-update') from the native mode are available in
AUCTeX as well. The command 'texinfo-start-menu-description',
bound to 'C-c C-c C-d' in the native mode, is bound to 'C-c C-u
C-d' in AUCTeX instead.

File: auctex.info, Node: Unbinding, Prev: Mapping, Up: Texinfo mode
A.5.4 Which native mode key bindings are missing
------------------------------------------------
The following commands from the native commands might still be useful
when working with AUCTeX, however, they are not accessible with a key
binding any longer.
'@node' insertion
The node insertion command, mapped to 'C-c C-c n' in the native
mode, is not mapped to any key in AUCTeX. You can still access it
through the Texinfo menu, though. Another alternative is to use
the 'C-c C-m' binding for macro insertion in AUCTeX.
Show the section structure
The command 'texinfo-show-structure' ('C-c C-s') from the native
mode does not have a key binding in AUCTeX. The binding is used by
AUCTeX for sectioning.

File: auctex.info, Node: Indices, Prev: Appendices, Up: Top
Indices
*******
* Menu:
* Key Index::
* Function Index::
* Variable Index::
* Concept Index::

File: auctex.info, Node: Key Index, Next: Function Index, Up: Indices
Key Index
=========
[index]
* Menu:
* ": Quotes. (line 15)
* $: Quotes. (line 61)
* (: Quotes. (line 154)
* [: Quotes. (line 154)
* ^: Mathematics. (line 64)
* _: Mathematics. (line 64)
* {: Quotes. (line 154)
* C-c %: Commenting. (line 23)
* C-c *: Marking (LaTeX). (line 7)
* C-c * <1>: Marking (Texinfo). (line 7)
* C-c .: Marking (LaTeX). (line 16)
* C-c . <1>: Marking (Texinfo). (line 25)
* C-c ;: Commenting. (line 15)
* C-c ?: Documentation. (line 7)
* C-c C-a: Starting a Command. (line 59)
* C-c C-b: Starting a Command. (line 35)
* C-c C-c: Starting a Command. (line 13)
* C-c C-d: Multifile. (line 99)
* C-c C-e: Environments. (line 23)
* C-c C-f: Font Specifiers. (line 55)
* C-c C-f C-b: Editing Facilities. (line 72)
* C-c C-f C-b <1>: Font Specifiers. (line 16)
* C-c C-f C-c: Editing Facilities. (line 93)
* C-c C-f C-c <1>: Editing Facilities. (line 96)
* C-c C-f C-c <2>: Font Specifiers. (line 40)
* C-c C-f C-c <3>: Font Specifiers. (line 52)
* C-c C-f C-e: Editing Facilities. (line 78)
* C-c C-f C-e <1>: Font Specifiers. (line 25)
* C-c C-f C-f: Editing Facilities. (line 87)
* C-c C-f C-f <1>: Font Specifiers. (line 34)
* C-c C-f C-i: Editing Facilities. (line 75)
* C-c C-f C-i <1>: Font Specifiers. (line 22)
* C-c C-f C-l: Font Specifiers. (line 43)
* C-c C-f C-m: Font Specifiers. (line 19)
* C-c C-f C-n: Font Specifiers. (line 49)
* C-c C-f C-r: Editing Facilities. (line 84)
* C-c C-f C-r <1>: Font Specifiers. (line 31)
* C-c C-f C-s: Editing Facilities. (line 81)
* C-c C-f C-s <1>: Font Specifiers. (line 28)
* C-c C-f C-t: Editing Facilities. (line 90)
* C-c C-f C-t <1>: Font Specifiers. (line 37)
* C-c C-f C-w: Font Specifiers. (line 46)
* C-c C-f g: Japanese. (line 113)
* C-c C-f m: Japanese. (line 117)
* C-c C-k: Control. (line 10)
* C-c C-l: Control. (line 14)
* C-c C-m: Completion. (line 69)
* C-c C-n: Parsing Files. (line 45)
* C-c C-o b: Folding. (line 121)
* C-c C-o C-b: Folding. (line 43)
* C-c C-o C-c: Folding. (line 118)
* C-c C-o C-e: Folding. (line 102)
* C-c C-o C-f: Folding. (line 31)
* C-c C-o C-m: Folding. (line 93)
* C-c C-o C-o: Folding. (line 140)
* C-c C-o C-p: Folding. (line 89)
* C-c C-o C-r: Folding. (line 86)
* C-c C-o i: Folding. (line 133)
* C-c C-o p: Folding. (line 129)
* C-c C-o r: Folding. (line 125)
* C-c C-q C-e: Filling. (line 90)
* C-c C-q C-p: Filling. (line 84)
* C-c C-q C-r: Filling. (line 99)
* C-c C-q C-s: Filling. (line 95)
* C-c C-r: Starting a Command. (line 19)
* C-c C-s: Sectioning. (line 22)
* C-c C-t C-b: Ignoring warnings. (line 10)
* C-c C-t C-i: Processing Facilities.
(line 53)
* C-c C-t C-i <1>: Processor Options. (line 30)
* C-c C-t C-o: Processing Facilities.
(line 59)
* C-c C-t C-p: Processing Facilities.
(line 50)
* C-c C-t C-p <1>: Processor Options. (line 16)
* C-c C-t C-r: Starting a Command. (line 85)
* C-c C-t C-s: Processing Facilities.
(line 56)
* C-c C-t C-s <1>: Processor Options. (line 37)
* C-c C-t C-w: Ignoring warnings. (line 15)
* C-c C-t C-x: Ignoring warnings. (line 39)
* C-c C-v: Starting Viewers. (line 12)
* C-c C-z: Starting a Command. (line 42)
* C-c LFD: Itemize-like. (line 11)
* C-c LFD <1>: Tabular-like. (line 34)
* C-c ]: Environments. (line 102)
* C-c ^: Control. (line 18)
* C-c _: Multifile. (line 71)
* C-c `: Debugging. (line 12)
* C-c {: Quotes. (line 122)
* C-c ~: Mathematics. (line 12)
* C-j: Indenting. (line 78)
* C-M-a: Environments. (line 107)
* C-M-e: Environments. (line 117)
* C-M-h: Marking (Texinfo). (line 34)
* C-x n e: Narrowing. (line 17)
* C-x n g: Narrowing. (line 14)
* LFD: Indenting. (line 78)
* M-g p: Debugging. (line 27)
* M-q: Filling. (line 87)
* M-RET: Itemize-like. (line 11)
* M-RET <1>: Tabular-like. (line 34)
* M-TAB: Completion. (line 24)
* TAB: Indenting. (line 74)

File: auctex.info, Node: Function Index, Next: Variable Index, Prev: Key Index, Up: Indices
Function Index
==============
[index]
* Menu:
* align-current: Indenting. (line 58)
* ams-tex-mode: Modes and Hooks. (line 22)
* auto-fill-mode: Filling. (line 6)
* context-mode: Modes and Hooks. (line 22)
* doctex-mode: Modes and Hooks. (line 22)
* indent-region: Indenting. (line 29)
* japanese-latex-mode: Japanese. (line 6)
* japanese-plain-tex-mode: Japanese. (line 6)
* LaTeX-add-bibliographies: Adding Other. (line 13)
* LaTeX-add-environments: Adding Environments. (line 66)
* LaTeX-add-labels: Adding Other. (line 16)
* LaTeX-arg-author: Adding Macros. (line 244)
* LaTeX-arg-usepackage: Adding Macros. (line 200)
* LaTeX-CLASSNAME-class-options: Adding Other. (line 107)
* LaTeX-close-environment: Environments. (line 101)
* LaTeX-command-section: Starting a Command. (line 41)
* LaTeX-declare-expert-environments: Adding Environments. (line 128)
* LaTeX-env-args: Adding Environments. (line 109)
* LaTeX-env-array: Adding Environments. (line 81)
* LaTeX-env-bib: Adding Environments. (line 103)
* LaTeX-env-contents: Adding Environments. (line 106)
* LaTeX-env-figure: Adding Environments. (line 77)
* LaTeX-env-item: Adding Environments. (line 74)
* LaTeX-env-label: Adding Environments. (line 85)
* LaTeX-env-list: Adding Environments. (line 88)
* LaTeX-env-minipage: Adding Environments. (line 92)
* LaTeX-env-picture: Adding Environments. (line 100)
* LaTeX-env-tabular*: Adding Environments. (line 96)
* LaTeX-environment: Environments. (line 22)
* LaTeX-fill-environment: Filling. (line 79)
* LaTeX-fill-environment <1>: Filling. (line 90)
* LaTeX-fill-paragraph: Filling. (line 84)
* LaTeX-fill-region: Filling. (line 99)
* LaTeX-fill-section: Filling. (line 95)
* LaTeX-find-matching-begin: Environments. (line 106)
* LaTeX-find-matching-end: Environments. (line 116)
* LaTeX-indent-line: Indenting. (line 74)
* LaTeX-insert-environment: Adding Environments. (line 69)
* LaTeX-insert-item: Itemize-like. (line 10)
* LaTeX-insert-item <1>: Tabular-like. (line 33)
* LaTeX-mark-environment: Marking (LaTeX). (line 15)
* LaTeX-mark-section: Marking (LaTeX). (line 6)
* LaTeX-match-class-option: Adding Other. (line 55)
* LaTeX-math-mode: Mathematics. (line 11)
* latex-mode: Modes and Hooks. (line 22)
* LaTeX-narrow-to-environment: Narrowing. (line 16)
* LaTeX-PACKAGENAME-package-options: Adding Other. (line 82)
* LaTeX-provided-class-options-member: Adding Other. (line 51)
* LaTeX-provided-package-options-member: Adding Other. (line 37)
* LaTeX-section: Sectioning. (line 21)
* LaTeX-section-heading: Sectioning. (line 69)
* LaTeX-section-label: Sectioning. (line 83)
* LaTeX-section-section: Sectioning. (line 77)
* LaTeX-section-title: Sectioning. (line 72)
* LaTeX-section-toc: Sectioning. (line 75)
* plain-tex-mode: Modes and Hooks. (line 22)
* TeX--completion-at-point: Completion. (line 51)
* TeX-add-style-hook: Simple Style. (line 34)
* TeX-add-symbols: Adding Macros. (line 24)
* TeX-arg-bibliography: Adding Macros. (line 210)
* TeX-arg-bibstyle: Adding Macros. (line 206)
* TeX-arg-cite: Adding Macros. (line 136)
* TeX-arg-conditional: Adding Macros. (line 86)
* TeX-arg-coordinate: Adding Macros. (line 241)
* TeX-arg-corner: Adding Macros. (line 214)
* TeX-arg-counter: Adding Macros. (line 141)
* TeX-arg-date: Adding Macros. (line 122)
* TeX-arg-define-cite: Adding Macros. (line 182)
* TeX-arg-define-counter: Adding Macros. (line 185)
* TeX-arg-define-environment: Adding Macros. (line 178)
* TeX-arg-define-label: Adding Macros. (line 166)
* TeX-arg-define-length: Adding Macros. (line 170)
* TeX-arg-define-macro: Adding Macros. (line 174)
* TeX-arg-define-savebox: Adding Macros. (line 188)
* TeX-arg-document: Adding Macros. (line 191)
* TeX-arg-environment: Adding Macros. (line 133)
* TeX-arg-eval: Adding Macros. (line 97)
* TeX-arg-file: Adding Macros. (line 147)
* TeX-arg-file-name: Adding Macros. (line 151)
* TeX-arg-file-name-sans-extension: Adding Macros. (line 155)
* TeX-arg-free: Adding Macros. (line 94)
* TeX-arg-hook: Adding Macros. (line 251)
* TeX-arg-index: Adding Macros. (line 113)
* TeX-arg-index-tag: Adding Macros. (line 109)
* TeX-arg-input-file: Adding Macros. (line 159)
* TeX-arg-key-val: Adding Macros. (line 257)
* TeX-arg-label: Adding Macros. (line 100)
* TeX-arg-length: Adding Macros. (line 116)
* TeX-arg-literal: Adding Macros. (line 90)
* TeX-arg-lr: Adding Macros. (line 217)
* TeX-arg-macro: Adding Macros. (line 119)
* TeX-arg-pagestyle: Adding Macros. (line 223)
* TeX-arg-pair: Adding Macros. (line 234)
* TeX-arg-ref: Adding Macros. (line 104)
* TeX-arg-savebox: Adding Macros. (line 144)
* TeX-arg-size: Adding Macros. (line 238)
* TeX-arg-tb: Adding Macros. (line 220)
* TeX-arg-verb: Adding Macros. (line 226)
* TeX-arg-verb-delim-or-brace: Adding Macros. (line 229)
* TeX-arg-version: Adding Macros. (line 129)
* TeX-auto-add-regexp: Hacking the Parser. (line 6)
* TeX-auto-generate: Automatic Private. (line 23)
* TeX-clean: Cleaning. (line 6)
* TeX-command-buffer: Starting a Command. (line 34)
* TeX-command-master: Starting a Command. (line 12)
* TeX-command-region: Starting a Command. (line 18)
* TeX-command-run-all: Starting a Command. (line 58)
* TeX-comment-or-uncomment-paragraph: Commenting. (line 22)
* TeX-comment-or-uncomment-region: Commenting. (line 14)
* TeX-complete-symbol: Completion. (line 23)
* TeX-declare-expert-macros: Adding Macros. (line 272)
* TeX-documentation-texdoc: Documentation. (line 6)
* TeX-electric-macro: Completion. (line 107)
* TeX-error-overview: Error overview. (line 10)
* TeX-fold-buffer: Folding. (line 42)
* TeX-fold-clearout-buffer: Folding. (line 120)
* TeX-fold-clearout-item: Folding. (line 132)
* TeX-fold-clearout-paragraph: Folding. (line 128)
* TeX-fold-clearout-region: Folding. (line 124)
* TeX-fold-comment: Folding. (line 117)
* TeX-fold-dwim: Folding. (line 139)
* TeX-fold-env: Folding. (line 101)
* TeX-fold-macro: Folding. (line 92)
* TeX-fold-math: Folding. (line 108)
* TeX-fold-mode: Folding. (line 31)
* TeX-fold-paragraph: Folding. (line 88)
* TeX-fold-region: Folding. (line 85)
* TeX-font: Font Specifiers. (line 54)
* TeX-home-buffer: Control. (line 17)
* TeX-insert-braces: Quotes. (line 121)
* TeX-insert-dollar: Quotes. (line 60)
* TeX-insert-macro: Completion. (line 68)
* TeX-insert-quote: Quotes. (line 14)
* TeX-interactive-mode: Processor Options. (line 29)
* TeX-ispell-skip-setcar: Selecting a Command. (line 147)
* TeX-ispell-skip-setcdr: Selecting a Command. (line 147)
* TeX-ispell-tex-arg-end: Selecting a Command. (line 167)
* TeX-kill-job: Control. (line 9)
* TeX-master-file-ask: Multifile. (line 70)
* TeX-narrow-to-group: Narrowing. (line 13)
* TeX-next-error: Debugging. (line 11)
* TeX-normal-mode: Parsing Files. (line 44)
* TeX-PDF-mode: Processor Options. (line 15)
* TeX-pin-region: Starting a Command. (line 84)
* TeX-previous-error: Debugging. (line 26)
* TeX-read-hook: Adding Macros. (line 248)
* TeX-read-key-val: Adding Macros. (line 254)
* TeX-recenter-output-buffer: Control. (line 13)
* TeX-revert-document-buffer: Modes and Hooks. (line 39)
* TeX-save-document: Multifile. (line 98)
* TeX-source-correlate-mode: Processor Options. (line 36)
* TeX-source-correlate-mode <1>: I/O Correlation. (line 12)
* TeX-toggle-debug-bad-boxes: Ignoring warnings. (line 9)
* TeX-toggle-debug-warnings: Ignoring warnings. (line 14)
* TeX-toggle-suppress-ignored-warnings: Ignoring warnings. (line 38)
* TeX-view: Starting Viewers. (line 11)
* TeX-view <1>: I/O Correlation. (line 42)
* TeX-view-mouse: I/O Correlation. (line 48)
* Texinfo-mark-environment: Marking (Texinfo). (line 24)
* Texinfo-mark-node: Marking (Texinfo). (line 33)
* Texinfo-mark-section: Marking (Texinfo). (line 6)
* texinfo-mode: Modes and Hooks. (line 22)
* turn-on-auto-fill: Filling. (line 6)

File: auctex.info, Node: Variable Index, Next: Concept Index, Prev: Function Index, Up: Indices
Variable Index
==============
[index]
* Menu:
* AmS-TeX-mode-hook: Modes and Hooks. (line 22)
* AmSTeX-clean-intermediate-suffixes: Cleaning. (line 7)
* AmSTeX-clean-output-suffixes: Cleaning. (line 7)
* ConTeXt-clean-intermediate-suffixes: Cleaning. (line 7)
* ConTeXt-clean-output-suffixes: Cleaning. (line 7)
* ConTeXt-engine: Processor Options. (line 121)
* ConTeXt-Mark-version: Processor Options. (line 200)
* ConTeXt-mode-hook: Modes and Hooks. (line 22)
* ConTeXt-Omega-engine: Processor Options. (line 121)
* docTeX-clean-intermediate-suffixes: Cleaning. (line 7)
* docTeX-clean-output-suffixes: Cleaning. (line 7)
* docTeX-mode-hook: Modes and Hooks. (line 22)
* fill-column: Filling. (line 6)
* font-latex-deactivated-keyword-classes: Fontification of macros.
(line 165)
* font-latex-fontify-script: Fontification of math.
(line 28)
* font-latex-fontify-script-max-level: Fontification of math.
(line 42)
* font-latex-fontify-sectioning: Fontification of macros.
(line 95)
* font-latex-match-bold-command-keywords: Fontification of macros.
(line 137)
* font-latex-match-bold-declaration-keywords: Fontification of macros.
(line 137)
* font-latex-match-function-keywords: Fontification of macros.
(line 60)
* font-latex-match-italic-command-keywords: Fontification of macros.
(line 137)
* font-latex-match-italic-declaration-keywords: Fontification of macros.
(line 137)
* font-latex-match-math-command-keywords: Fontification of macros.
(line 137)
* font-latex-match-math-command-keywords <1>: Fontification of math.
(line 6)
* font-latex-match-reference-keywords: Fontification of macros.
(line 60)
* font-latex-match-sectioning-0-keywords: Fontification of macros.
(line 107)
* font-latex-match-sectioning-1-keywords: Fontification of macros.
(line 107)
* font-latex-match-sectioning-2-keywords: Fontification of macros.
(line 107)
* font-latex-match-sectioning-3-keywords: Fontification of macros.
(line 107)
* font-latex-match-sectioning-4-keywords: Fontification of macros.
(line 107)
* font-latex-match-sectioning-5-keywords: Fontification of macros.
(line 107)
* font-latex-match-slide-title-keywords: Fontification of macros.
(line 114)
* font-latex-match-textual-keywords: Fontification of macros.
(line 60)
* font-latex-match-type-command-keywords: Fontification of macros.
(line 137)
* font-latex-match-type-declaration-keywords: Fontification of macros.
(line 137)
* font-latex-match-underline-command-keywords: Fontification of macros.
(line 137)
* font-latex-match-variable-keywords: Fontification of macros.
(line 60)
* font-latex-match-warning-keywords: Fontification of macros.
(line 60)
* font-latex-math-environments: Fontification of math.
(line 6)
* font-latex-quotes: Fontification of quotes.
(line 15)
* font-latex-script-char-face: Fontification of math.
(line 63)
* font-latex-script-display: Fontification of math.
(line 66)
* font-latex-sectioning-0-face: Fontification of macros.
(line 96)
* font-latex-sectioning-1-face: Fontification of macros.
(line 96)
* font-latex-sectioning-2-face: Fontification of macros.
(line 96)
* font-latex-sectioning-3-face: Fontification of macros.
(line 96)
* font-latex-sectioning-4-face: Fontification of macros.
(line 96)
* font-latex-sectioning-5-face: Fontification of macros.
(line 96)
* font-latex-slide-title-face: Fontification of macros.
(line 114)
* font-latex-subscript-face: Fontification of math.
(line 42)
* font-latex-superscript-face: Fontification of math.
(line 42)
* font-latex-user-keyword-classes: Fontification of macros.
(line 197)
* japanese-LaTeX-default-style: Japanese. (line 75)
* japanese-TeX-engine-default: Japanese. (line 36)
* japanese-TeX-mode: Japanese. (line 6)
* japanese-TeX-use-kanji-opt-flag: Japanese. (line 87)
* LaTeX-amsmath-label: Equations. (line 15)
* LaTeX-auto-class-regexp-list: Parsing Files. (line 106)
* LaTeX-auto-counter-regexp-list: Parsing Files. (line 112)
* LaTeX-auto-index-regexp-list: Parsing Files. (line 103)
* LaTeX-auto-label-regexp-list: Parsing Files. (line 100)
* LaTeX-auto-length-regexp-list: Parsing Files. (line 115)
* LaTeX-auto-minimal-regexp-list: Parsing Files. (line 97)
* LaTeX-auto-pagestyle-regexp-list: Parsing Files. (line 109)
* LaTeX-auto-regexp-list: Parsing Files. (line 121)
* LaTeX-auto-savebox-regexp-list: Parsing Files. (line 118)
* LaTeX-babel-hyphen: European. (line 168)
* LaTeX-babel-hyphen-after-hyphen: European. (line 176)
* LaTeX-babel-hyphen-language-alist: European. (line 155)
* LaTeX-begin-regexp: Indenting. (line 119)
* LaTeX-biblatex-use-Biber: Selecting a Command. (line 52)
* LaTeX-CLASSNAME-class-options: Adding Other. (line 104)
* LaTeX-clean-intermediate-suffixes: Cleaning. (line 7)
* LaTeX-clean-output-suffixes: Cleaning. (line 7)
* LaTeX-command: Processor Options. (line 121)
* LaTeX-csquotes-close-quote: Quotes. (line 43)
* LaTeX-csquotes-open-quote: Quotes. (line 43)
* LaTeX-csquotes-quote-after-quote: Quotes. (line 43)
* LaTeX-default-author: Adding Macros. (line 245)
* LaTeX-default-document-environment: Environments. (line 61)
* LaTeX-default-environment: Environments. (line 56)
* LaTeX-default-format: Tabular-like. (line 10)
* LaTeX-default-options: Adding Macros. (line 192)
* LaTeX-default-position: Tabular-like. (line 16)
* LaTeX-default-style: Adding Macros. (line 192)
* LaTeX-default-width: Tabular-like. (line 13)
* LaTeX-done-mark: Sectioning. (line 62)
* LaTeX-electric-left-right-brace: Quotes. (line 157)
* LaTeX-enable-toolbar: Processing. (line 11)
* LaTeX-end-regexp: Indenting. (line 119)
* LaTeX-eqnarray-label: Equations. (line 12)
* LaTeX-equation-label: Equations. (line 9)
* LaTeX-figure-label: Floats. (line 32)
* LaTeX-figure-label <1>: Floats. (line 42)
* LaTeX-fill-break-at-separators: Filling. (line 101)
* LaTeX-fill-break-before-code-comments: Filling. (line 111)
* LaTeX-fill-excluded-macros: Filling. (line 121)
* LaTeX-float: Floats. (line 14)
* LaTeX-float <1>: Floats. (line 39)
* LaTeX-fold-env-spec-list: Folding. (line 197)
* LaTeX-fold-macro-spec-list: Folding. (line 197)
* LaTeX-fold-math-spec-list: Folding. (line 197)
* LaTeX-font-list: Font Specifiers. (line 69)
* LaTeX-indent-environment-check: Indenting. (line 51)
* LaTeX-indent-environment-list: Indenting. (line 37)
* LaTeX-indent-environment-list <1>: Indenting. (line 48)
* LaTeX-indent-environment-list <2>: Indenting. (line 86)
* LaTeX-indent-level: Indenting. (line 19)
* LaTeX-indent-level <1>: Indenting. (line 91)
* LaTeX-item-indent: Indenting. (line 19)
* LaTeX-item-indent <1>: Indenting. (line 95)
* LaTeX-item-regexp: Indenting. (line 19)
* LaTeX-label-alist: Environments. (line 38)
* LaTeX-level: Sectioning. (line 53)
* LaTeX-math-abbrev-prefix: Mathematics. (line 26)
* LaTeX-math-default: Mathematics. (line 6)
* LaTeX-math-list: Mathematics. (line 36)
* LaTeX-math-menu-unicode: Mathematics. (line 56)
* LaTeX-mode-hook: Modes and Hooks. (line 22)
* LaTeX-name: Sectioning. (line 56)
* LaTeX-Omega-command: Processor Options. (line 121)
* LaTeX-PACKAGENAME-package-options: Adding Other. (line 69)
* LaTeX-paragraph-commands: Filling. (line 54)
* LaTeX-provided-class-options: Adding Other. (line 44)
* LaTeX-provided-package-options: Adding Other. (line 26)
* LaTeX-section-hook: Sectioning. (line 40)
* LaTeX-section-hook <1>: Sectioning. (line 48)
* LaTeX-section-label: Sectioning. (line 42)
* LaTeX-section-label <1>: Sectioning. (line 101)
* LaTeX-short-caption-prompt-length: Floats. (line 27)
* LaTeX-short-caption-prompt-length <1>: Floats. (line 51)
* LaTeX-style-list: Adding Macros. (line 192)
* LaTeX-syntactic-comments: Indenting. (line 68)
* LaTeX-syntactic-comments <1>: Indenting. (line 103)
* LaTeX-table-label: Floats. (line 32)
* LaTeX-table-label <1>: Floats. (line 45)
* LaTeX-title: Sectioning. (line 58)
* LaTeX-toc: Sectioning. (line 60)
* LaTeX-top-caption-list: Floats. (line 20)
* LaTeX-top-caption-list <1>: Floats. (line 48)
* LaTeX-verbatim-environments: Verbatim content. (line 10)
* LaTeX-verbatim-macros-with-braces: Verbatim content. (line 10)
* LaTeX-verbatim-macros-with-delims: Verbatim content. (line 10)
* outline-regexp: Marking (Texinfo). (line 10)
* plain-TeX-auto-regexp-list: Parsing Files. (line 124)
* plain-TeX-clean-intermediate-suffixes: Cleaning. (line 7)
* plain-TeX-clean-output-suffixes: Cleaning. (line 7)
* plain-TeX-enable-toolbar: Processing. (line 11)
* plain-TeX-mode-hook: Modes and Hooks. (line 22)
* TeX-after-compilation-finished-functions: Modes and Hooks. (line 30)
* TeX-after-compilation-finished-functions <1>: Modes and Hooks.
(line 40)
* TeX-arg-cite-note-p: Adding Macros. (line 137)
* TeX-arg-input-file-search: Adding Macros. (line 160)
* TeX-arg-input-file-search <1>: Adding Macros. (line 192)
* TeX-arg-input-file-search <2>: Adding Macros. (line 201)
* TeX-arg-item-label-p: Itemize-like. (line 16)
* TeX-arg-right-insert-p: Quotes. (line 150)
* TeX-auto-cleanup-hook: Hacking the Parser. (line 100)
* TeX-auto-empty-regexp-list: Parsing Files. (line 94)
* TeX-auto-full-regexp-list: Parsing Files. (line 127)
* TeX-auto-global: Automatic Global. (line 24)
* TeX-auto-local: Automatic Local. (line 20)
* TeX-auto-parse-length: Parsing Files. (line 88)
* TeX-auto-prepare-hook: Hacking the Parser. (line 97)
* TeX-auto-private: Automatic Private. (line 19)
* TeX-auto-regexp-list: Parsing Files. (line 85)
* TeX-auto-regexp-list <1>: Hacking the Parser. (line 78)
* TeX-auto-save: Parsing Files. (line 41)
* TeX-auto-save-aggregate: Automatic Local. (line 25)
* TeX-auto-untabify: Parsing Files. (line 58)
* TeX-bar-LaTeX-button-alist: Processing. (line 11)
* TeX-bar-LaTeX-buttons: Processing. (line 11)
* TeX-bar-TeX-all-button-alists: Processing. (line 11)
* TeX-bar-TeX-buttons: Processing. (line 11)
* TeX-brace-indent-level: Indenting. (line 99)
* TeX-check-engine: Processor Options. (line 164)
* TeX-check-path: Selecting a Command. (line 68)
* TeX-check-TeX: Processor Options. (line 149)
* TeX-check-TeX-command-not-found: Processor Options. (line 150)
* TeX-clean-confirm: Cleaning. (line 30)
* TeX-close-quote: Quotes. (line 25)
* TeX-command: Processor Options. (line 121)
* TeX-command <1>: Processor Options. (line 150)
* TeX-command-default: Selecting a Command. (line 43)
* TeX-command-extra-options: Processor Options. (line 172)
* TeX-command-list: Starting a Command. (line 16)
* TeX-command-list <1>: Starting a Command. (line 32)
* TeX-command-list <2>: Selecting a Command. (line 14)
* TeX-complete-expert-commands: Environments. (line 78)
* TeX-complete-expert-commands <1>: Completion. (line 142)
* TeX-complete-list: Completion. (line 26)
* TeX-date-format: Adding Macros. (line 123)
* TeX-debug-bad-boxes: Ignoring warnings. (line 10)
* TeX-debug-warnings: Ignoring warnings. (line 15)
* TeX-default-macro: Completion. (line 76)
* TeX-default-mode: Japanese. (line 6)
* TeX-default-mode <1>: Japanese. (line 67)
* TeX-dialect: Simple Style. (line 82)
* TeX-display-help: Debugging. (line 47)
* TeX-DVI-via-PDFTeX: Processor Options. (line 22)
* TeX-electric-escape: Completion. (line 97)
* TeX-electric-math: Quotes. (line 72)
* TeX-electric-sub-and-superscript: Mathematics. (line 70)
* TeX-engine: Processor Options. (line 104)
* TeX-engine <1>: Japanese. (line 6)
* TeX-engine-alist: Processor Options. (line 121)
* TeX-engine-alist <1>: Processor Options. (line 132)
* TeX-engine-alist <2>: Japanese. (line 6)
* TeX-engine-alist-builtin: Processor Options. (line 121)
* TeX-error-overview-frame-parameters: Error overview. (line 43)
* TeX-error-overview-open-after-TeX-run: Error overview. (line 25)
* TeX-error-overview-setup: Error overview. (line 34)
* TeX-expand-list: Selecting a Command. (line 14)
* TeX-file-line-error: Processor Options. (line 193)
* TeX-file-recurse: Automatic. (line 44)
* TeX-fold-auto: Folding. (line 70)
* TeX-fold-command-prefix: Folding. (line 145)
* TeX-fold-env-spec-list: Folding. (line 187)
* TeX-fold-force-fontify: Folding. (line 62)
* TeX-fold-help-echo-max-length: Folding. (line 224)
* TeX-fold-macro-spec-list: Folding. (line 154)
* TeX-fold-math-spec-list: Folding. (line 194)
* TeX-fold-preserve-comments: Folding. (line 75)
* TeX-fold-type-list: Folding. (line 57)
* TeX-fold-unfold-around-mark: Folding. (line 81)
* TeX-fold-unspec-env-display-string: Folding. (line 207)
* TeX-fold-unspec-macro-display-string: Folding. (line 203)
* TeX-fold-unspec-use-name: Folding. (line 211)
* TeX-font-list: Font Specifiers. (line 60)
* TeX-header-end: Starting a Command. (line 32)
* TeX-header-end <1>: Starting a Command. (line 69)
* TeX-ignore-file: Automatic. (line 52)
* TeX-ignore-warnings: Ignoring warnings. (line 25)
* TeX-indent-close-delimiters: Indenting. (line 133)
* TeX-indent-open-delimiters: Indenting. (line 128)
* TeX-insert-braces: Completion. (line 117)
* TeX-insert-braces-alist: Completion. (line 121)
* TeX-insert-macro-default-style: Completion. (line 80)
* TeX-install-font-lock: Font Locking. (line 13)
* TeX-interactive-mode: Processor Options. (line 30)
* TeX-ispell-extend-skip-list: Selecting a Command. (line 83)
* TeX-ispell-verb-delimiters: Selecting a Command. (line 176)
* TeX-japanese-process-input-coding-system: Japanese. (line 95)
* TeX-japanese-process-output-coding-system: Japanese. (line 99)
* TeX-language-bg-hook: European. (line 51)
* TeX-language-cz-hook: European. (line 51)
* TeX-language-de-hook: European. (line 51)
* TeX-language-dk-hook: European. (line 51)
* TeX-language-en-hook: European. (line 51)
* TeX-language-is-hook: European. (line 51)
* TeX-language-it-hook: European. (line 51)
* TeX-language-nl-hook: European. (line 51)
* TeX-language-pl-hook: European. (line 51)
* TeX-language-pt-br-hook: European. (line 51)
* TeX-language-pt-hook: European. (line 51)
* TeX-language-sk-hook: European. (line 51)
* TeX-language-sv-hook: European. (line 51)
* TeX-macro-global: Customizing. (line 19)
* TeX-macro-global <1>: Automatic Global. (line 16)
* TeX-macro-private: Automatic Private. (line 12)
* TeX-master: Starting a Command. (line 16)
* TeX-master <1>: Starting a Command. (line 32)
* TeX-master <2>: Multifile. (line 39)
* TeX-math-input-method-off-regexp: Mathematics. (line 76)
* TeX-newline-function: Indenting. (line 29)
* TeX-newline-function <1>: Indenting. (line 107)
* TeX-Omega-command: Processor Options. (line 121)
* TeX-one-master: Multifile. (line 57)
* TeX-open-quote: Quotes. (line 21)
* TeX-outline-extra: Outline. (line 13)
* TeX-output-dir: Control. (line 25)
* TeX-parse-all-errors: Debugging. (line 35)
* TeX-parse-self: Parsing Files. (line 38)
* TeX-parse-self <1>: Japanese. (line 6)
* TeX-PDF-from-DVI: Processor Options. (line 71)
* TeX-PDF-mode: Processor Options. (line 16)
* TeX-quote-after-quote: Quotes. (line 29)
* TeX-quote-language-alist: European. (line 142)
* TeX-raise-frame-function: I/O Correlation. (line 85)
* TeX-region: Starting a Command. (line 32)
* TeX-region <1>: Starting a Command. (line 65)
* TeX-save-query: Multifile. (line 102)
* TeX-show-compilation: Processor Options. (line 185)
* TeX-source-correlate-map: I/O Correlation. (line 48)
* TeX-source-correlate-method: Processor Options. (line 48)
* TeX-source-correlate-method <1>: I/O Correlation. (line 21)
* TeX-source-correlate-mode: Processor Options. (line 37)
* TeX-source-correlate-start-server: I/O Correlation. (line 57)
* TeX-source-correlate-start-server <1>: I/O Correlation. (line 63)
* TeX-source-correlate-start-server <2>: I/O Correlation. (line 77)
* TeX-style-global: Automatic Global. (line 19)
* TeX-style-local: Automatic Local. (line 15)
* TeX-style-path: Automatic. (line 38)
* TeX-style-private: Automatic Private. (line 28)
* TeX-suppress-ignored-warnings: Ignoring warnings. (line 39)
* TeX-trailer-start: Starting a Command. (line 32)
* TeX-trailer-start <1>: Starting a Command. (line 74)
* TeX-view-evince-keep-focus: Starting Viewers. (line 92)
* TeX-view-predicate-list: Starting Viewers. (line 56)
* TeX-view-program-list: Starting Viewers. (line 65)
* TeX-view-program-selection: Starting Viewers. (line 36)
* Texinfo-clean-intermediate-suffixes: Cleaning. (line 7)
* Texinfo-clean-output-suffixes: Cleaning. (line 7)
* Texinfo-mode-hook: Modes and Hooks. (line 22)
* texinfo-section-list: Marking (Texinfo). (line 10)
* texmathp-tex-commands: Fontification of math.
(line 6)
* texmathp-tex-commands-default: Fontification of math.
(line 6)

File: auctex.info, Node: Concept Index, Prev: Variable Index, Up: Indices
Concept Index
=============
[index]
* Menu:
* .emacs: Loading the package. (line 6)
* \begin: Environments. (line 6)
* \chapter: Editing Facilities. (line 24)
* \chapter <1>: Sectioning. (line 6)
* \cite, completion of: Completion. (line 154)
* \emph: Editing Facilities. (line 78)
* \emph <1>: Font Specifiers. (line 25)
* \end: Environments. (line 6)
* \include: Multifile. (line 6)
* \input: Multifile. (line 6)
* \item: Itemize-like. (line 6)
* \label: Editing Facilities. (line 24)
* \label <1>: Sectioning. (line 6)
* \label, completion: Completion. (line 154)
* \mathgt: Japanese. (line 113)
* \mathmc: Japanese. (line 117)
* \ref, completion: Completion. (line 154)
* \section: Editing Facilities. (line 24)
* \section <1>: Sectioning. (line 6)
* \subsection: Editing Facilities. (line 24)
* \subsection <1>: Sectioning. (line 6)
* \textbf: Editing Facilities. (line 72)
* \textbf <1>: Font Specifiers. (line 16)
* \textgt: Japanese. (line 113)
* \textit: Editing Facilities. (line 75)
* \textit <1>: Font Specifiers. (line 22)
* \textmc: Japanese. (line 117)
* \textmd: Font Specifiers. (line 19)
* \textnormal: Font Specifiers. (line 49)
* \textrm: Editing Facilities. (line 84)
* \textrm <1>: Font Specifiers. (line 31)
* \textsc: Editing Facilities. (line 93)
* \textsc <1>: Font Specifiers. (line 40)
* \textsf: Editing Facilities. (line 87)
* \textsf <1>: Font Specifiers. (line 34)
* \textsl: Editing Facilities. (line 81)
* \textsl <1>: Font Specifiers. (line 28)
* \textsw: Font Specifiers. (line 46)
* \texttt: Editing Facilities. (line 90)
* \texttt <1>: Font Specifiers. (line 37)
* \textulc: Font Specifiers. (line 43)
* Abbreviations: Mathematics. (line 6)
* Adding a style hook: Simple Style. (line 6)
* Adding bibliographies: Adding Other. (line 6)
* Adding environments: Adding Environments. (line 6)
* Adding labels: Adding Other. (line 6)
* Adding macros: Adding Macros. (line 6)
* Adding other information: Adding Other. (line 6)
* Adding support for completion of package/class options: Adding Other.
(line 6)
* Adding to PATH in Windows: Installation under MS Windows.
(line 42)
* align.el: Indenting. (line 58)
* amsmath: Equations. (line 6)
* amsmath <1>: Tabular-like. (line 6)
* Arguments to TeX macros: Completion. (line 6)
* ASCII pTeX: Internationalization.
(line 6)
* ASCII pTeX <1>: Japanese. (line 6)
* auctex.el: Loading the package. (line 10)
* auctex.el <1>: Changes. (line 868)
* auto directories.: Automatic. (line 6)
* auto-fill-mode: Indenting. (line 29)
* Auto-Reveal: Folding. (line 6)
* Automatic: Automatic. (line 6)
* Automatic Customization: Automatic. (line 6)
* Automatic Parsing: Parsing Files. (line 6)
* Automatic updating style hooks: Automatic Local. (line 6)
* Bad boxes: Debugging. (line 6)
* Biber: Selecting a Command. (line 47)
* biblatex: Selecting a Command. (line 47)
* Bibliographies, adding: Adding Other. (line 6)
* Bibliography: Commands. (line 6)
* bibliography, completion: Completion. (line 154)
* BibTeX: Commands. (line 6)
* BibTeX, completion: Completion. (line 154)
* book.el: Simple Style. (line 6)
* Braces: Quotes. (line 6)
* Brackets: Quotes. (line 6)
* Brazilian Portuguese: European. (line 51)
* Bulgarian: European. (line 51)
* Changing font: Font Specifiers. (line 6)
* Changing the parser: Hacking the Parser. (line 6)
* Chapters: Editing Facilities. (line 24)
* Chapters <1>: Sectioning. (line 6)
* Checking: Checking. (line 6)
* ChinaTeX: Internationalization.
(line 6)
* chktex: Checking. (line 6)
* citations, completion of: Completion. (line 154)
* cite, completion of: Completion. (line 154)
* CJK language: Internationalization.
(line 6)
* CJK-LaTeX: Internationalization.
(line 6)
* Cleaning: Cleaning. (line 6)
* Commands: Commands. (line 6)
* Completion: Completion. (line 6)
* Controlling the output: Control. (line 6)
* Copying: Copying. (line 6)
* Copyright: Copying. (line 6)
* CTeX: Internationalization.
(line 6)
* Current file: Control. (line 6)
* Customization: Customizing. (line 6)
* Customization, personal: Customizing. (line 6)
* Customization, site: Customizing. (line 6)
* Czech: European. (line 51)
* Danish: European. (line 51)
* Debugging: Debugging. (line 6)
* Default command: Commands. (line 6)
* Defining bibliographies in style hooks: Adding Other. (line 6)
* Defining environments in style hooks: Adding Environments. (line 6)
* Defining labels in style hooks: Adding Other. (line 6)
* Defining macros in style hooks: Adding Macros. (line 6)
* Defining other information in style hooks: Adding Other. (line 5)
* Deleting fonts: Editing Facilities. (line 96)
* Deleting fonts <1>: Font Specifiers. (line 52)
* Descriptions: Itemize-like. (line 6)
* Display math mode: Quotes. (line 6)
* Distribution: Copying. (line 6)
* Documentation: Documentation. (line 6)
* Documents: Multifile. (line 6)
* Documents with multiple files: Multifile. (line 6)
* Dollar signs, color bleed with: Known problems. (line 6)
* Dollars: Quotes. (line 6)
* Double quotes: Quotes. (line 6)
* Dutch: European. (line 51)
* English: European. (line 51)
* Enumerates: Itemize-like. (line 6)
* Environments: Environments. (line 6)
* Environments, adding: Adding Environments. (line 6)
* Eqnarray: Equations. (line 6)
* Equation: Equations. (line 6)
* Equations: Equations. (line 6)
* Errors: Debugging. (line 6)
* Europe: European. (line 6)
* European Characters: European. (line 6)
* Examining package/class options: Adding Other. (line 6)
* Example of a style file.: Simple Style. (line 6)
* Expansion: Completion. (line 6)
* External Commands: Commands. (line 6)
* Extracting TeX symbols: Automatic. (line 6)
* Faces: Faces. (line 6)
* FDL, GNU Free Documentation License: GNU Free Documentation License.
(line 6)
* Figure environment: Floats. (line 6)
* Figures: Floats. (line 6)
* Filling: Filling. (line 6)
* Finding errors: Checking. (line 6)
* Finding the current file: Control. (line 6)
* Finding the master file: Control. (line 6)
* Floats: Floats. (line 6)
* Flymake: Checking. (line 6)
* Folding: Folding. (line 6)
* Folding <1>: Outline. (line 6)
* Font Locking: Font Locking. (line 6)
* Font macros: Font Specifiers. (line 6)
* font-latex: Font Locking. (line 6)
* Fonts: Font Specifiers. (line 6)
* Formatting: Indenting. (line 6)
* Formatting <1>: Filling. (line 6)
* Formatting <2>: Commands. (line 6)
* Forward search: I/O Correlation. (line 6)
* Free: Copying. (line 6)
* Free software: Copying. (line 6)
* General Public License: Copying. (line 6)
* Generating symbols: Automatic. (line 6)
* German: European. (line 51)
* Global directories: Automatic Global. (line 6)
* Global macro directory: Automatic Global. (line 6)
* Global style hook directory: Automatic Global. (line 6)
* Global TeX macro directory: Automatic Global. (line 6)
* GPL: Copying. (line 6)
* Header: Commands. (line 6)
* Headers: Outline. (line 6)
* Hide Macros: Folding. (line 6)
* HLaTeX: Internationalization.
(line 6)
* I/O correlation: Processor Options. (line 36)
* I/O correlation <1>: I/O Correlation. (line 6)
* Including: Multifile. (line 6)
* Indentation: Indenting. (line 6)
* Indenting: Indenting. (line 6)
* Indexing: Commands. (line 6)
* init.el: Loading the package. (line 6)
* Initialization: Customizing. (line 6)
* input method: Mathematics. (line 73)
* Inputing: Multifile. (line 6)
* Installation: Build/install and uninstall.
(line 6)
* Internationalization: Internationalization.
(line 6)
* Inverse search: I/O Correlation. (line 6)
* ISO 8859 Latin 1: European. (line 6)
* ISO Character set: European. (line 6)
* iso-cvt.el: European. (line 29)
* ispell: Selecting a Command. (line 74)
* ispell <1>: European. (line 38)
* Italian: European. (line 51)
* Itemize: Itemize-like. (line 6)
* Items: Itemize-like. (line 6)
* Japan: Japanese. (line 6)
* Japanese: Japanese. (line 6)
* jLaTeX: Japanese. (line 6)
* jTeX: Internationalization.
(line 6)
* jTeX <1>: Japanese. (line 6)
* Killing a process: Control. (line 6)
* kTeX: Internationalization.
(line 6)
* Label prefix: Sectioning. (line 111)
* Label prefix <1>: Floats. (line 32)
* Labels: Sectioning. (line 111)
* Labels <1>: Floats. (line 32)
* Labels, adding: Adding Other. (line 6)
* labels, completion of: Completion. (line 154)
* lacheck: Checking. (line 6)
* Language Support: Internationalization.
(line 6)
* LaTeX: Commands. (line 6)
* Latin 1: European. (line 5)
* License: Copying. (line 6)
* Literature: Commands. (line 6)
* Local style directory: Automatic Local. (line 6)
* Local style hooks: Automatic Local. (line 6)
* Local style hooks <1>: Automatic Local. (line 6)
* Macro arguments: Completion. (line 6)
* Macro completion: Completion. (line 6)
* Macro expansion: Completion. (line 6)
* macro.el: Hacking the Parser. (line 6)
* macro.tex: Hacking the Parser. (line 6)
* Macros, adding: Adding Macros. (line 6)
* Make: Build/install and uninstall.
(line 6)
* makeindex: Commands. (line 6)
* Making a bibliography: Commands. (line 6)
* Making an index: Commands. (line 6)
* Many Files: Multifile. (line 6)
* Master file: Control. (line 6)
* Master file <1>: Multifile. (line 6)
* Matching dollar signs: Quotes. (line 6)
* Math mode delimiters: Quotes. (line 6)
* Math, fontification of: Fontification of math.
(line 6)
* Math, fontification problems with: Known problems. (line 6)
* Mathematics: Mathematics. (line 6)
* Multifile Documents: Multifile. (line 6)
* Multiple Files: Multifile. (line 6)
* Next error: Debugging. (line 6)
* Nippon: Japanese. (line 6)
* NTT jTeX: Internationalization.
(line 6)
* NTT jTeX <1>: Japanese. (line 6)
* Other information, adding: Adding Other. (line 6)
* Outlining: Folding. (line 6)
* Outlining <1>: Outline. (line 6)
* Output: Control. (line 6)
* Overfull boxes: Debugging. (line 6)
* Overview: Outline. (line 6)
* package/class options, Examining: Adding Other. (line 6)
* Parsing errors: Debugging. (line 6)
* Parsing LaTeX errors: Debugging. (line 6)
* Parsing new macros: Hacking the Parser. (line 6)
* Parsing TeX: Parsing Files. (line 6)
* Parsing TeX <1>: Automatic. (line 6)
* Parsing TeX output: Debugging. (line 6)
* PATH in Windows: Installation under MS Windows.
(line 42)
* PDF mode: Processor Options. (line 16)
* PDFSync: Processor Options. (line 36)
* PDFSync <1>: I/O Correlation. (line 6)
* Personal customization: Customizing. (line 6)
* Personal information: Automatic Private. (line 6)
* Personal macro directory: Automatic Private. (line 6)
* Personal TeX macro directory: Automatic Private. (line 6)
* pLaTeX: Japanese. (line 6)
* Polish: European. (line 51)
* Portuguese: European. (line 51)
* Prefix for labels: Sectioning. (line 111)
* Prefix for labels <1>: Floats. (line 32)
* preview-install-styles: Configure. (line 85)
* Previewing: Viewing. (line 6)
* Printing: Commands. (line 6)
* Private directories: Automatic Private. (line 6)
* Private macro directory: Automatic Private. (line 6)
* Private style hook directory: Automatic Private. (line 6)
* Private TeX macro directory: Automatic Private. (line 6)
* Problems: Checking. (line 6)
* Processes: Control. (line 6)
* pTeX: Internationalization.
(line 6)
* pTeX <1>: Japanese. (line 6)
* Quotes: Quotes. (line 6)
* Quotes, fontification of: Fontification of quotes.
(line 6)
* Redisplay output: Control. (line 6)
* Refilling: Filling. (line 6)
* Reformatting: Indenting. (line 6)
* Reformatting <1>: Filling. (line 6)
* Region: Commands. (line 6)
* Region file: Commands. (line 6)
* Reindenting: Indenting. (line 6)
* Reveal: Folding. (line 6)
* Right: Copying. (line 6)
* Running BibTeX: Commands. (line 6)
* Running chktex: Checking. (line 6)
* Running commands: Commands. (line 6)
* Running Flymake: Checking. (line 6)
* Running lacheck: Checking. (line 6)
* Running LaTeX: Commands. (line 6)
* Running makeindex: Commands. (line 6)
* Running TeX: Commands. (line 6)
* Sample style file: Simple Style. (line 6)
* Sectioning: Editing Facilities. (line 24)
* Sectioning <1>: Sectioning. (line 6)
* Sectioning commands, fontification of: Fontification of macros.
(line 91)
* Sections: Editing Facilities. (line 24)
* Sections <1>: Sectioning. (line 6)
* Sections <2>: Outline. (line 6)
* Setting the default command: Commands. (line 6)
* Setting the header: Commands. (line 6)
* Setting the trailer: Commands. (line 6)
* Site customization: Customizing. (line 6)
* Site information: Automatic Global. (line 6)
* Site initialization: Customizing. (line 6)
* Site macro directory: Automatic Global. (line 6)
* Site TeX macro directory: Automatic Global. (line 6)
* Slovak: European. (line 51)
* Source specials: Processor Options. (line 36)
* Source specials <1>: I/O Correlation. (line 6)
* Specifying a font: Font Specifiers. (line 6)
* Starting a previewer: Viewing. (line 6)
* Stopping a process: Control. (line 6)
* Style: Checking. (line 6)
* style: Style Files. (line 6)
* Style file: Simple Style. (line 6)
* Style files: Style Files. (line 6)
* Style hook: Simple Style. (line 6)
* Style hooks: Style Files. (line 6)
* subscript: Mathematics. (line 64)
* Subscript, fontification of: Fontification of math.
(line 6)
* superscript: Mathematics. (line 64)
* Superscript, fontification of: Fontification of math.
(line 6)
* support for completion of package/class options, Adding: Adding Other.
(line 6)
* Swedish: European. (line 51)
* Symbols: Mathematics. (line 6)
* SyncTeX: Processor Options. (line 36)
* SyncTeX <1>: I/O Correlation. (line 6)
* Syntax Highlighting: Font Locking. (line 6)
* Tabify: Parsing Files. (line 6)
* Table environment: Floats. (line 6)
* Tables: Floats. (line 6)
* Tabs: Parsing Files. (line 6)
* TeX: Commands. (line 6)
* TeX parsing: Automatic. (line 6)
* tex-jp.el: Japanese. (line 6)
* tex-mik.el: Installation under MS Windows.
(line 252)
* tex-site.el: Loading the package. (line 10)
* tex-site.el <1>: Customizing. (line 6)
* tex-site.el <2>: Changes. (line 868)
* tool bar, toolbar: Processing. (line 11)
* Trailer: Commands. (line 6)
* Underfull boxes: Debugging. (line 6)
* Uninstallation: Build/install and uninstall.
(line 6)
* Untabify: Parsing Files. (line 6)
* Updating style hooks: Automatic Local. (line 6)
* upLaTeX: Japanese. (line 6)
* upTeX: Internationalization.
(line 6)
* upTeX <1>: Japanese. (line 6)
* Verbatim, fontification of: Verbatim content. (line 6)
* Viewer predicates: Adding Other. (line 6)
* Viewing: Viewing. (line 6)
* Warranty: Copying. (line 6)
* Writing to a printer: Commands. (line 6)
* X-Symbol: European. (line 32)

Tag Table:
Node: Top917
Node: Copying7373
Node: Introduction9318
Node: Summary9588
Node: Installation12321
Node: Prerequisites14294
Node: Configure16493
Node: Build/install and uninstall21071
Node: Loading the package21824
Node: Advice for package providers23517
Node: Advice for non-privileged users26322
Node: Installation under MS Windows31668
Node: Customizing45290
Node: Quick Start46875
Ref: Quick Start-Footnote-148996
Node: Editing Facilities49090
Node: Processing Facilities53785
Node: Editing58514
Node: Quotes59844
Node: Font Specifiers68284
Node: Sectioning70352
Node: Environments74871
Node: Equations80252
Node: Floats80844
Node: Itemize-like82848
Node: Tabular-like83674
Node: Customizing Environments85486
Node: Mathematics85726
Node: Completion89162
Node: Marking96193
Node: Marking (LaTeX)96817
Node: Marking (Texinfo)97759
Node: Commenting99370
Node: Indenting100695
Node: Filling108389
Node: Display114259
Node: Font Locking116754
Node: Fontification of macros118833
Node: Fontification of quotes128513
Node: Fontification of math130007
Node: Verbatim content133675
Node: Faces134449
Node: Known problems134946
Node: Folding135943
Node: Outline146716
Node: Narrowing147995
Node: Prettifying149064
Node: Processing150301
Node: Commands151629
Node: Starting a Command152185
Node: Selecting a Command157201
Node: Processor Options166320
Node: Viewing176713
Node: Starting Viewers177087
Node: I/O Correlation182737
Ref: I/O Correlation-Footnote-1188413
Node: Debugging188663
Node: Ignoring warnings191281
Node: Error overview193340
Node: Checking195248
Node: Control196864
Node: Cleaning198973
Node: Documentation200332
Node: Customization201047
Node: Modes and Hooks201540
Node: Multifile203428
Node: Parsing Files208162
Node: Internationalization213151
Node: European214499
Node: Japanese221978
Node: Automatic227042
Node: Automatic Global229533
Node: Automatic Private230665
Node: Automatic Local232001
Node: Style Files233239
Node: Simple Style234045
Node: Adding Macros237766
Node: Adding Environments247265
Node: Adding Other251931
Node: Hacking the Parser256531
Node: Appendices260520
Node: Copying this Manual260816
Node: GNU Free Documentation License261699
Node: Changes286819
Node: Development342919
Node: Mid-term Goals343565
Node: Wishlist346378
Node: Bugs352361
Node: FAQ353441
Node: Texinfo mode359161
Node: Exploiting360295
Node: Superseding361113
Node: Mapping365344
Node: Unbinding367179
Node: Indices368000
Node: Key Index368163
Node: Function Index375838
Node: Variable Index387889
Node: Concept Index413248

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