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-rw-r--r--lisp/derived.el6
1 files changed, 1 insertions, 5 deletions
diff --git a/lisp/derived.el b/lisp/derived.el
index d27c2b333f1..6db92e85408 100644
--- a/lisp/derived.el
+++ b/lisp/derived.el
@@ -331,11 +331,7 @@ be automatic inheritance."
(defun derived-mode-merge-syntax-tables (old new)
"Merge an old syntax table into a new one.
Where the new table already has an entry, nothing is copied from the old one."
- (map-char-table
- (function (lambda (key value)
- (or (char-table-range new key)
- (set-char-table-range new key value))))
- old))
+ (set-char-table-parent new old))
;; Merge an old abbrev table into a new one.
;; This function requires internal knowledge of how abbrev tables work,