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-rw-r--r--lisp/image-file.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/image-file.el b/lisp/image-file.el
index c9bb6f0d0c0..11676021afd 100644
--- a/lisp/image-file.el
+++ b/lisp/image-file.el
@@ -38,7 +38,7 @@
;;;###autoload
(defcustom image-file-name-extensions
- '("png" "jpeg" "jpg" "gif" "tiff" "tif" "pbm" "pgm" "ppm" "pnm")
+ '("png" "jpeg" "jpg" "gif" "tiff" "tif" "xbm" "xpm" "pbm" "pgm" "ppm" "pnm")
"*A list of image-file filename extensions.
Filenames having one of these extensions are considered image files,
in addition to those matching `image-file-name-regexps'.