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elpa/auctex-11.91.0/style/ifluatex.el

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+;;; ifluatex.el --- AUCTeX style for `ifluatex.sty' version 1.3.
+
+;; Copyright (C) 2014, 2016 Free Software Foundation, Inc.
+
+;; Author: Davide G. M. Salvetti <salve@debian.org>
+;; Maintainer: auctex-devel@gnu.org
+;; Created: 2014-11-15
+;; 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, see
+;; <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This file adds support for `ifluatex.sty' 1.3.
+
+;;; Code:
+
+(defun LaTeX-ifluatex-set-exit-mark (optional)
+  "Discard OPTIONAL and set exit-mark to current point."
+  (set-marker exit-mark (point)))
+
+(TeX-add-style-hook
+    "ifluatex"
+  (lambda ()
+    (TeX-add-symbols
+     '("ifluatex"
+       (TeX-arg-literal "%\n")
+       LaTeX-ifluatex-set-exit-mark
+       (TeX-arg-literal "\n\\else%\n\\fi%"))
+     '("luatexversion" 0)
+     '("luatexrevision" 0))
+    (TeX-declare-expert-macros
+     "ifluatex"
+     "ifluatex" "luatexversion" "luatexrevision")
+
+    ;; This package is used to make it possible to compile a document with both
+    ;; LuaTeX and base TeX engines.  By setting `TeX-check-engine-list' to nil
+    ;; we ignore engine restrictions posed by other packages.
+    (setq TeX-check-engine-list nil)
+
+    (when (and (featurep 'font-latex)
+	       (eq TeX-install-font-lock 'font-latex-setup))
+      (font-latex-add-keywords '(("luatexversion")
+				 ("luatexrevision"))
+			       'function)))
+  LaTeX-dialect)
+
+(defvar LaTeX-ifluatex-package-options nil
+  "Package options for the ifluatex package.")
+
+;;; ifluatex.el ends here