368 lines
15 KiB
EmacsLisp
368 lines
15 KiB
EmacsLisp
;;; polyglossia.el --- AUCTeX style for `polyglossia.sty' version 1.42.0. -*- lexical-binding: t; -*-
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;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
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;; Maintainer: auctex-devel@gnu.org
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;; Author: Mosè Giordano <mose@gnu.org>
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;; Keywords: tex
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;; This file is part of AUCTeX.
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;; AUCTeX is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; AUCTeX is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with AUCTeX; see the file COPYING. If not, write to the Free
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;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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;; 02110-1301, USA.
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;;; Commentary:
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;; This file adds support for `polyglossia.sty' version 1.42.0.
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;;; TODO:
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;; -- Create language specific styles with names `gloss-<lang>.el'. They
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;; should add `text<lang>' macros, `<lang>' environments (`Arabic' for
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;; `arabic' language), and the others language-specific commands.
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;;; Code:
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(require 'tex) ;Indispensable when compiling the call to `TeX-auto-add-type'.
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(require 'latex)
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;; Silence the compiler:
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(declare-function font-latex-add-keywords
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"font-latex"
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(keywords class))
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(TeX-auto-add-type "polyglossia-lang" "LaTeX")
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;; Self Parsing -- see (info "(auctex)Hacking the Parser").
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(defvar LaTeX-polyglossia-lang-regexp
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(concat "\\\\set\\(defaultlanguage\\|mainlanguage\\|otherlanguages?\\)"
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"[ \t\n\r]*\\(?:\\[\\(.*\\)\\]\\)?[ \t\n\r]*{\\([A-Za-z, ]+\\)}")
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"Matches languages set with polyglossia macros.")
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(defvar LaTeX-polyglossia-setkeys-regexp
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(concat "\\\\setkeys"
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"[ \t\n\r]*{\\([A-Za-z]+\\)}[ \t\n\r]*{\\([^}]*\\)}")
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"Matches polyglossia languages options set using \"\setkeys\".")
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(defvar LaTeX-auto-polyglossia-lang nil
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"Temporary for parsing polyglossia languages.")
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(defvar LaTeX-auto-polyglossia-setkeys nil
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"Temporary for parsing polyglossia language options.")
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(defun LaTeX-polyglossia-prepare ()
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"Clear some polyglossia variables before use."
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(setq LaTeX-auto-polyglossia-lang nil
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LaTeX-auto-polyglossia-setkeys nil
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LaTeX-polyglossia-lang-list nil))
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(defun LaTeX-polyglossia-cleanup ()
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"Move languages and their options from
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`LaTeX-auto-polyglossia-lang' to `LaTeX-polyglossia-lang-list'."
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;; Example: now the value of `LaTeX-auto-polyglossia-lang' is something like
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;; '(("danish" "defaultlanguage" "")
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;; ("arabic" "otherlanguage" "locale=tunisia,numerals=maghrib")
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;; ("german" "otherlanguage" "spelling=new,script=latin")
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;; ("icelandic,brazil,sanskrit" "otherlanguages" ""))
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;; We want to end up with a list like
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;; '(("danish" "defaultlanguage")
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;; ("arabic" "otherlanguage" "locale=tunisia" "numerals=maghrib")
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;; ("german" "otherlanguage" "spelling=new" "script=latin")
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;; ("icelandic" "otherlanguages")
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;; ("brazil" "otherlanguages")
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;; ("sanskrit" "otherlanguages" "script=Devanagari"))
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;; with "script=Devanagari" option to "sanskrit" language set using
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;; "\setkeys".
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;; In each element of the alist, the key is the language, the second value is
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;; the polyglossia command which set the language, the rest of values is the
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;; list of options given to the language.
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(let (opts otheropts)
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(mapc
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(lambda (elt)
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(mapc
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(lambda (language)
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;; `opts' is the string of options for `language', set using
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;; "\setdefaultlanguage" or "\setotherlanguage".
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(setq opts (cdr (cdr elt)))
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;; `otheropts' is the string of options for `language' set using
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;; "\setkeys".
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(setq otheropts
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(car (cdr (assoc language LaTeX-auto-polyglossia-setkeys))))
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(add-to-list
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'LaTeX-polyglossia-lang-list
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(append
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(list language) (list (nth 1 elt))
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(unless (equal opts '(""))
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(LaTeX-listify-package-options (car opts)))
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(if otheropts (LaTeX-listify-package-options otheropts))) t))
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(LaTeX-listify-package-options (car elt))))
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LaTeX-auto-polyglossia-lang)))
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(add-hook 'TeX-auto-prepare-hook #'LaTeX-polyglossia-prepare)
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(add-hook 'TeX-auto-cleanup-hook #'LaTeX-polyglossia-cleanup)
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(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
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;; Run style hooks for every active language. This *has* to be done after
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;; `TeX-auto-parse'.
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(add-hook 'TeX-update-style-hook #'LaTeX-polyglossia-load-languages t)
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(defvar LaTeX-polyglossia-language-list
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'("albanian" "amharic" "arabic" "armenian" "asturian" "bahasai" "bahasam"
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"basque" "bengali" "brazil" "breton" "bulgarian" "catalan" "coptic"
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"croatian" "czech" "danish" "divehi" "dutch" "english" "esperanto"
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"estonian" "farsi" "finnish" "french" "friulan" "galician" "german" "greek"
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"hebrew" "hindi" "icelandic" "interlingua" "irish" "italian" "kannada"
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"khmer" "korean" "lao" "latin" "latvian" "lithuanian" "lsorbian" "magyar"
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"malayalam" "marathi" "nko" "norsk" "nynorsk" "occitan" "piedmontese"
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"polish" "portuges" "romanian" "romansh" "russian" "samin" "sanskrit"
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"scottish" "serbian" "slovak" "slovenian" "spanish" "swedish" "syriac"
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"tamil" "telugu" "thai" "tibetan" "turkish" "turkmen" "ukrainian" "urdu"
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"usorbian" "vietnamese" "welsh")
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"List of languages supported by the polyglossia LaTeX package.")
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(defun LaTeX-polyglossia-active-languages ()
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"Return a list of polyglossia languages used in the document.
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The last language is the default one."
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(let (active-languages default)
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(mapc
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(lambda (elt)
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(setq default (or (string-equal "defaultlanguage" (nth 1 elt))
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(string-equal "mainlanguage" (nth 1 elt))))
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;; Append the language to the list if it's the default one.
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(if default
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(setq active-languages (append active-languages
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(list (car elt))))
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(push active-languages (car elt))))
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LaTeX-polyglossia-lang-list)
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active-languages))
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(defun LaTeX-polyglossia-lang-option-member (language option)
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"Return non-nil if OPTION has been given to polyglossia LANGUAGE.
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The value is actually the tail of the list of options given to LANGUAGE."
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(member option (cdr (cdr (assoc language LaTeX-polyglossia-lang-list)))))
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(defun LaTeX-arg-polyglossia-lang (_optional _default multiple setkeys)
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"Prompt for language and its options with completion and insert them
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as arguments.
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This function is triggered by \"\setdefaultlanguage\",
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\"\setotherlanguage\", \"\setotherlanguages\", and \"\setkeys\"
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macros by polyglossia package.
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OPTIONAL and DEFAULT are ignored, if MULTIPLE is non-nil prompt
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for multiple languages, if SETKEYS is non-nil insert options as
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second mandatory argument."
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;; DEFAULT = t , MULTIPLE = nil, SETKEYS = nil: "\setdefaultlanguage".
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;; DEFAULT = nil, MULTIPLE = nil, SETKEYS = nil: "\setotherlanguage".
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;; DEFAULT = nil, MULTIPLE = t , SETKEYS = nil: "\setotherlanguages".
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;; DEFAULT = nil, MULTIPLE = nil, SETKEYS = t : "\setkeys".
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;; Note: `DEFAULT' is currently ignored because we don't really have a
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;; mechanism to identify the default polyglossia language.
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(let ((language (funcall
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(if multiple
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#'TeX-completing-read-multiple
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#'completing-read)
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(if multiple "Languages: " "Language: ")
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(if setkeys
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(LaTeX-polyglossia-active-languages)
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LaTeX-polyglossia-language-list)))
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var options)
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(if multiple
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(mapc (lambda (elt) (TeX-run-style-hooks (concat "gloss-" elt)))
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language)
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(TeX-run-style-hooks (concat "gloss-" language)))
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;; "\setotherlanguages" doesn't take options, don't prompt for them.
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(setq options
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(if multiple ""
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(setq var (intern (format "LaTeX-polyglossia-%s-options-list" language)))
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(if (and (boundp var) (symbol-value var))
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;; "\setdefaultlanguage" and "\setotherlanguage" use `options'
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;; as first optional argument; "\setkeys" uses `options' as
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;; second mandatory argument.
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(TeX-read-key-val (not setkeys) (symbol-value var))
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;; When `LaTeX-polyglossia-<lang>-options-list' is nil or not
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;; defined, don't prompt for options.
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"")))
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(unless setkeys
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(let ((TeX-arg-opening-brace LaTeX-optop)
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(TeX-arg-closing-brace LaTeX-optcl))
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(TeX-argument-insert options t)))
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(if multiple
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(setq language (mapconcat #'identity language ",")))
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(TeX-argument-insert language nil)
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(if setkeys
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(TeX-argument-insert options nil))))
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(defun LaTeX-arg-polyglossiasetup-options (optional)
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"Prompt for setup options of polyglossia package.
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If OPTIONAL is non-nil, insert the resulting value as an optional
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argument, otherwise as a mandatory one."
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(TeX-arg-key-val optional
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'(("language") ;; TODO: add completion in `fontspec.el', see
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;; "\newfontlanguage"s in `fontspec-xetex.sty'.
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("hyphennames")
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("script") ;; TODO: add completion in `fontspec.el', see
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;; "\newfontscript"s in `fontspec-xetex.sty'.
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("direction" ("RL" "LR"))
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("scripttag")
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("langtag")
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("hyphenmins")
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("frenchspacing" ("true" "false"))
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("indentfirst" ("true" "false"))
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("fontsetup" ("true" "false"))
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;; The following options aren't already implemented but are
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;; present in `polyglossia.sty' comments.
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;; ("nouppercase" ("true" "false"))
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;; ("localalph")
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;; ("localnumber")
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)))
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(defun LaTeX-polyglossia-load-languages ()
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"Load style files of babel active languages."
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(mapc (lambda (elt) (TeX-run-style-hooks (concat "gloss-" elt)))
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(LaTeX-polyglossia-active-languages)))
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(TeX-add-style-hook
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"polyglossia"
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(lambda ()
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(TeX-check-engine-add-engines 'luatex 'xetex)
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(TeX-auto-add-regexp
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`(,LaTeX-polyglossia-lang-regexp (3 1 2) LaTeX-auto-polyglossia-lang))
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(TeX-auto-add-regexp
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`(,LaTeX-polyglossia-setkeys-regexp (1 2) LaTeX-auto-polyglossia-setkeys))
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(TeX-run-style-hooks "makecmds" "xkeyval" "fontspec")
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(TeX-add-symbols
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'("setdefaultlanguage" (LaTeX-arg-polyglossia-lang t nil nil))
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'("setmainlanguage" (LaTeX-arg-polyglossia-lang t nil nil))
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'("setotherlanguage" (LaTeX-arg-polyglossia-lang nil nil nil))
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'("setotherlanguages" (LaTeX-arg-polyglossia-lang nil t nil))
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'("setkeys" (LaTeX-arg-polyglossia-lang nil nil t ))
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'("PolyglossiaSetup" (TeX-arg-completing-read
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(LaTeX-polyglossia-active-languages)
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"Language")
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LaTeX-arg-polyglossiasetup-options)
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"selectbackgroundlanguage"
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'("resetdefaultlanguage" ["argument"] 1)
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"normalfontlatin"
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"rmfamilylatin"
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"sffamilylatin"
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"ttfamilylatin"
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"selectlanguage"
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"foreignlanguage")
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(TeX-declare-expert-macros
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"polyglossia"
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"PolyglossiaSetup" "selectbackgroundlanguage" "resetdefaultlanguage"
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"normalfontlatin" "rmfamilylatin" "sffamilylatin" "ttfamilylatin"
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"selectlanguage" "foreignlanguage")
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;; Fontification
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(when (and (featurep 'font-latex)
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(eq TeX-install-font-lock 'font-latex-setup))
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(font-latex-add-keywords '(("setdefaultlanguage" "[{")
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("setmainlanguage" "[{")
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("setotherlanguage" "[{")
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("setotherlanguages" "{")
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("setkeys" "{{"))
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'function)))
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TeX-dialect)
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;; TODO: move each option variable in its specific `gloss-<lang>.el' file.
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(defvar LaTeX-polyglossia-arabic-options-list
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'(("calendar" ("gregorian" "islamic"))
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("locale" ("default" "mashriq" "libya" "algeria" "tunisia" "morocco" "mauritania"))
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("numerals" ("mashriq" "maghrib"))
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("abjadjimnotail" ("false" "true")))
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"Arabic language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-bengali-options-list
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'(("numerals" ("Western" "Devanagari"))
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("changecounternumbering" ("true" "false")))
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"Bengali language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-catalan-options-list
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'(("babelshorthands" ("true" "false")))
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"Catalan language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-dutch-options-list
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'(("babelshorthands" ("true" "false")))
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"Dutch language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-english-options-list
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'(("variant" ("american" "usmax" "british" "australian" "newzealand"))
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("ordinalmonthday" ("true" "false")))
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"English language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-farsi-options-list
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'(("numerals" ("western" "eastern"))
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;; ("locale") ;; not yet implemented
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;; ("calendar") ;; not yet implemented
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)
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"Farsi language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-german-options-list
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'(("variant" ("german" "austrian" "swiss"))
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("spelling" ("new" "old"))
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("latesthyphen" ("true" "false"))
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("babelshorthands" ("true" "false"))
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("script" ("latin" "fraktur")))
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"German language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-greek-options-list
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'(("variant" ("monotonic" "polytonic" "ancient"))
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("numerals" ("greek" "arabic"))
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("attic" ("true" "false")))
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"Greek language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-hebrew-options-list
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'(("numerals" ("hebrew" "arabic"))
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("calendar" ("hebrew" "gregorian")))
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"Hebrew language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-hindi-options-list
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'(("numerals" ("Western" "Devanagari")))
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"Hindi language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-lao-options-list
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'(("numerals" ("lao" "arabic")))
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"Lao language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-russian-options-list
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'(("spelling" ("modern" "old"))
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("babelshorthands" ("true" "false")))
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"Russian language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-sanskrit-options-list
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'(("Script" ("Devanagari")))
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"Sanskrit language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-serbian-options-list
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'(("script" ("cyrillic" "latin")))
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"Serbian language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-syriac-options-list
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'(("numerals" ("western" "eastern" "abjad")))
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"Syriac language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-thai-options-list
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'(("numerals" ("thai" "arabic")))
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"Thai language options for the polyglossia package.")
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(defvar LaTeX-polyglossia-package-options
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'("babelshorthands" "localmarks" "nolocalmarks" "quiet")
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"Package options for the polyglossia package.")
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;;; polyglossia.el ends here
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