[elpa] externals/auctex 3174ded 01/71: Add new style/backref.el

[Tassilo Horn]

branch: externals/auctex
commit 3174ded67adc7b598658565875fbf965d53dda23
Author: Arash Esbati <arash@gnu.org>
Commit: Arash Esbati <arash@gnu.org>

    Add new style/backref.el
    
    * Makefile.in (STYLESRC): Add new style.
    
    * style/backref.el: New file.
---
 Makefile.in      |  2 +-
 style/backref.el | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/Makefile.in b/Makefile.in
index 5b5a49d..19f84d2 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -176,7 +176,7 @@ STYLESRC = style/prosper.el \
           style/appendix.el  style/scholax.el   style/extramarks.el \
           style/truncate.el  style/changes.el   style/footnotehyper.el \
           style/brazil.el    style/brazilian.el style/portuguese.el \
-          style/portuges.el
+          style/portuges.el  style/backref.el
 
 STYLEELC = $(STYLESRC:.el=.elc)
 
diff --git a/style/backref.el b/style/backref.el
new file mode 100644
index 0000000..064f931
--- /dev/null
+++ b/style/backref.el
@@ -0,0 +1,93 @@
+;;; backref.el --- AUCTeX style for `backref.sty'  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021 Free Software Foundation, Inc.
+
+;; Author: Arash Esbati <arash@gnu.org>
+;; Maintainer: auctex-devel@gnu.org
+;; Created: 2021-02-06
+;; Keywords: tex
+
+;; This file is part of AUCTeX.
+
+;; AUCTeX is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+
+;; AUCTeX is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with AUCTeX; see the file COPYING.  If not, write to the Free
+;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+;; MA 02110-1301 USA.
+
+;;; Commentary:
+
+;; This file adds support for `backref.sty' v1.41 form 2021-02-04.
+
+;;; Code:
+
+(require 'tex)
+(require 'latex)
+
+;; Silence the compiler:
+(declare-function font-latex-add-keywords
+                  "font-latex"
+                  (keywords class))
+
+(TeX-add-style-hook
+ "backref"
+ (lambda ()
+
+   (TeX-add-symbols
+    '("backrefsetup"
+      (TeX-arg-key-val (("verbose" ("true" "false"))
+                        ("enable" ("true" "false"))
+                        ("disable" ("true" "false")))))
+    "backrefparscanfalse"
+    "backrefparscantrue"
+    "backrefprint"
+    "backref"
+    "backrefalt"
+    "backrefsep"
+    "backreftwosep"
+    "backreflastsep"
+    "backrefentrycount")
+
+   (LaTeX-paragraph-commands-add-locally '("backrefparscanfalse"
+                                           "backrefparscantrue"
+                                           "backrefprint"))
+
+   ;; This is a hack: We want to have the 2 macros
+   ;; \backrefparscanfalse and \backrefparscantrue indented like
+   ;; \bibitem, hence we add them to a local version of
+   ;; `LaTeX-item-regexp':
+   (unless (string-match-p "backrefparscan" LaTeX-item-regexp)
+     (setq-local LaTeX-item-regexp
+                 (concat LaTeX-item-regexp
+                         "\\|" "backrefparscan\\(false\\|true\\)\\b")))
+
+   ;; Fontification
+   (when (and (featurep 'font-latex)
+              (eq TeX-install-font-lock 'font-latex-setup))
+     (font-latex-add-keywords '(("backrefsetup"        "{")
+                                ("backrefparscanfalse" "")
+                                ("backrefparscantrue"  "")
+                                ("backrefprint"        ""))
+                              'function)))
+ TeX-dialect)
+
+(defvar LaTeX-backref-package-options
+  '("ref" "pageref" "hyperref" "hyperpageref"
+    "enable" "disable" "verbose"
+    "english" "american" "australian" "british" "canadian"
+    "newzealand" "UKenglish" "USenglish"
+    "german" "ngerman" "austrian" "naustrian"
+    "french" "acadian" "canadien" "frenchb" "francais"
+    "spanish" "brazil" "brazilian" "afrikaans")
+  "Package options for the backref package.")
+
+;;; backref.el ends here