1 files changed, 12 insertions, 9 deletions

diff --git a/lisp/emacs-lisp/lisp.el b/lisp/emacs-lisp/lisp.el
index f73dbb269d8..38df920f17a 100644
--- a/lisp/emacs-lisp/lisp.el
+++ b/lisp/emacs-lisp/lisp.el
@@ -645,14 +645,8 @@ Interactively, the behavior depends on `narrow-to-defun-include-comments'."
       (re-search-backward "^\n" (- (point) 1) t)
       (narrow-to-region beg end))))
 
-(defvar insert-pair-alist
-  (append '((?\< ?\>) (?\" ?\") (?\' ?\') (?\` ?\'))
-          (let (alist)
-            (map-char-table
-             (lambda (open close)
-               (when (< open close) (push (list open close) alist)))
-             (unicode-property-table-internal 'paired-bracket))
-            (nreverse alist)))
+(defcustom insert-pair-alist
+  '((?\( ?\)) (?\[ ?\]) (?\{ ?\}) (?\< ?\>) (?\" ?\") (?\' ?\') (?\` ?\'))
   "Alist of paired characters inserted by `insert-pair'.
 Each element looks like (OPEN-CHAR CLOSE-CHAR) or (COMMAND-CHAR
 OPEN-CHAR CLOSE-CHAR).  The characters OPEN-CHAR and CLOSE-CHAR
@@ -661,7 +655,16 @@ or without modifiers, are inserted by `insert-pair'.
 
 If COMMAND-CHAR is specified, it is a character that triggers the
 insertion of the open/close pair, and COMMAND-CHAR itself isn't
-inserted.")
+inserted."
+  :type '(repeat (choice (list :tag "Pair"
+                               (character :tag "Open")
+                               (character :tag "Close"))
+                         (list :tag "Triple"
+                               (character :tag "Command")
+                               (character :tag "Open")
+                               (character :tag "Close"))))
+  :group 'lisp
+  :version "27.1")
 
 (defun insert-pair (&optional arg open close)
   "Enclose following ARG sexps in a pair of OPEN and CLOSE characters.