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-rw-r--r--lisp/emacs-lisp/derived.el5
1 files changed, 2 insertions, 3 deletions
diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index 1f8572b278b..ee137f1771e 100644
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -331,10 +331,9 @@ which more-or-less shadow%s %s's corresponding table%s."
"\n\nThis mode "
(concat
"\n\nIn addition to any hooks its parent mode "
- (if (string-match (concat "[`%‘]"
+ (if (string-match (format "[`‘]%s['’]"
(regexp-quote
- (symbol-name parent))
- "['%’]")
+ (symbol-name parent)))
docstring)
nil
(format "`%s' " parent))