From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon, 24 Jan 2022 14:19:38 +0000 (+0100)
Subject: Fix \href{a_b} in tex-mode
X-Git-Tag: emacs-29.0.90~2788
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=5909b271448e37ba6f71de4b754d1dab6be6875d;p=emacs.git

Fix \href{a_b} in tex-mode

* lisp/textmodes/tex-mode.el (tex-font-lock-keywords-2): Fontify
href parameters like constants so that _ aren't fontified like
subscripts.
---

diff --git a/lisp/textmodes/tex-mode.el b/lisp/textmodes/tex-mode.el
index 1925d93d93a..f41cc2c15ed 100644
--- a/lisp/textmodes/tex-mode.el
+++ b/lisp/textmodes/tex-mode.el
@@ -578,6 +578,9 @@ An alternative value is \" . \", if you use a font with a narrow period."
 			  ;; "caption" "footnote" "footnotemark" "footnotetext"
 			  )
 			t))
+	    (file-like (regexp-opt
+			'("href" "ProvidesFile")
+			t))
 	    ;;
 	    ;; Names of commands that should be fontified.
 	    (specials-1 (regexp-opt '("\\" "\\*") t)) ;; "-"
@@ -598,6 +601,8 @@ An alternative value is \" . \", if you use a font with a narrow period."
 	;;
 	;; Citation args.
 	(list (concat slash citations opt arg) 3 'font-lock-constant-face)
+	;; File-like args.
+	(list (concat slash file-like opt arg) 3 'font-lock-constant-face)
 	;;
         ;; Text between `` quotes ''.
         (list (concat (regexp-opt '("``" "\"<" "\"`" "<<" "«") t)