* canlock.el (canlock-insert-header): Remove excessive grouping in regexp.

[gnus] / lisp / canlock.el

diff --git a/lisp/canlock.el b/lisp/canlock.el
index f291706..a8d3533 100644 (file)
--- a/lisp/canlock.el
+++ b/lisp/canlock.el
@@ -159,9 +159,8 @@ message."
          (unless id-for-key
            (setq id-for-key (canlock-fetch-id-for-key)))
          (if (and (setq control (mail-fetch-field "Control"))
-                  (string-match
-                   "^cancel[\t ]+\\(<[^\t\n @<>]+@[^\t\n @<>]+>\\)"
-                   control))
+                  (string-match "^cancel[\t ]+<[^\t\n @<>]+@[^\t\n @<>]+>"
+                                control))
              (setq id-for-lock nil)
            (unless id-for-lock
              (setq id-for-lock (mail-fetch-field "Message-ID"))))