emacs/27.2/14_all_bug-reference.patch


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Fix bug-reference-fontify
Patch backported from emacs-29 branch
https://debbugs.gnu.org/61395

commit 4f053afe8e792c6261d4be0376e2ef0c91353188
Author: Tassilo Horn <tsdh@gnu.org>
Date:   Fri Feb 10 19:22:56 2023 +0100

    bug-reference: prevent match-data clobbering (bug#61395)

--- emacs-27.2/lisp/progmodes/bug-reference.el
+++ emacs-27.2/lisp/progmodes/bug-reference.el
@@ -110,7 +110,7 @@
 		  (re-search-forward bug-reference-bug-regexp end-line 'move))
 	(when (or (not bug-reference-prog-mode)
 		  ;; This tests for both comment and string syntax.
-		  (nth 8 (syntax-ppss)))
+		  (nth 8 (save-match-data (syntax-ppss))))
 	  (let ((overlay (make-overlay (match-beginning 0) (match-end 0)
 				       nil t nil)))
 	    (overlay-put overlay 'category 'bug-reference)