From d17c5adc05785f7c5b37f82979d10bdf5f1c2886 Mon Sep 17 00:00:00 2001
From: David Ponce <da_vid@orange.fr>
Date: Thu, 24 Aug 2023 12:55:03 +0200
Subject: [PATCH] Fix regexp for recognizing PBM images

* lisp/image.el (image-type-header-regexps): Don't use [:space:],
as its meaning depends on the current buffer's syntax tables.
(Bug#65496)
---
 lisp/image.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/image.el b/lisp/image.el
index 104fea407ff..d488612def8 100644
--- a/lisp/image.el
+++ b/lisp/image.el
@@ -38,7 +38,7 @@
 (defconst image-type-header-regexps
   `(("\\`/[\t\n\r ]*\\*.*XPM.\\*/" . xpm)
     ("\\`P[1-6]\\(?:\
-\\(?:\\(?:#[^\r\n]*[\r\n]\\)*[[:space:]]\\)+\
+\\(?:\\(?:#[^\r\n]*[\r\n]\\)*[ \t\r\n]\\)+\
 \\(?:\\(?:#[^\r\n]*[\r\n]\\)*[0-9]\\)+\
 \\)\\{2\\}" . pbm)
     ("\\`GIF8[79]a" . gif)
-- 
2.39.2