[elpa] externals/auctex 51d8d3d 75/95: Recognize optional argument in verb macros with delimiters/braces

[Tassilo Horn]

branch: externals/auctex
commit 51d8d3da4ab450beb2812892f38159be38c013c1
Author: Arash Esbati <address@hidden>
Commit: Arash Esbati <address@hidden>

    Recognize optional argument in verb macros with delimiters/braces
    
    * font-latex.el (font-latex-built-in-keyword-classes): Add \verb
    to textual keyword class.
    (font-latex-set-syntactic-keywords): Extend regexp to ignore an
    optional argument for verbatim macros with delimiters and/or
    braces.
---
 font-latex.el | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/font-latex.el b/font-latex.el
index a56d3ce..0f2c893 100644
--- a/font-latex.el
+++ b/font-latex.el
@@ -387,7 +387,7 @@ variable `font-latex-fontify-sectioning'." ',num)
     ("textual"
      (("item" "[") ("title" "{") ("author" "{") ("date" "{")
       ("thanks" "{") ("address" "{") ("caption" "[{")
-      ("textsuperscript" "{") ("textsubscript" "{"))
+      ("textsuperscript" "{") ("textsubscript" "{") ("verb" "*"))
      font-lock-type-face 2 command)
     ("bold-command"
      (("textbf" "{") ("textsc" "{") ("textup" "{") ("boldsymbol" "{")
@@ -1005,6 +1005,10 @@ have changed."
     (unless (= (length verb-macros-with-delims) 0)
       (add-to-list 'font-latex-syntactic-keywords
                   `(,(concat "\\\\\\(?:" verb-macros-with-delims "\\)"
+                             ;; Some macros take an optional
+                             ;; argument.  This is the same line as
+                             ;; above for environments.
+                             "\\(?:\\[[^][]*\\(?:\\[[^][]*\\][^][]*\\)*\\]\\)?"
                              ;; An opening curly brace as delimiter
                              ;; is valid, but allowing it might screw
                              ;; up fontification of stuff like
@@ -1019,6 +1023,10 @@ have changed."
     (unless (= (length verb-macros-with-braces) 0)
       (add-to-list 'font-latex-syntactic-keywords
                   `(,(concat "\\\\\\(?:" verb-macros-with-braces "\\)"
+                             ;; Some macros take an optional
+                             ;; argument.  This is the same line as
+                             ;; above for environments.
+                             "\\(?:\\[[^][]*\\(?:\\[[^][]*\\][^][]*\\)*\\]\\)?"
                              "\\({\\).*?[^\\]\\(?:\\\\\\\\\\)*\\(}\\)")
                     (1 "|") (2 "|")))))
   (when font-latex-syntactic-keywords-extra