(list-faces-display): Signal error if passed a regexp that matches no face name.

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 57abd9327bb..b99b13015e9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2005-05-31  Juanma Barranquero  <lekktu@gmail.com>
 
+        * faces.el (list-faces-display): Signal error if passed a regexp
+        that matches no face name.
+
         * simple.el (filter-buffer-substring): Fix typo in docstring.
 
 2005-05-31  Richard M. Stallman  <rms@gnu.org>
diff --git a/lisp/faces.el b/lisp/faces.el
index 27905af734c..c89001482ac 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -1163,7 +1163,9 @@ arg, prompt for a regular expression."
                   (mapcar (lambda (f)
                             (when (string-match regexp (symbol-name f))
                               f))
-                          faces))))
+                          faces)))
+      (unless faces
+        (error "No faces matching \"%s\"" regexp)))
     (with-output-to-temp-buffer "*Faces*"
       (save-excursion
         (set-buffer standard-output)