From: Mattias Engdegård <mattiase@acm.org>
Date: Fri, 28 May 2021 09:48:00 +0000 (+0200)
Subject: ; * lisp/mail/rmail.el (rmail-simplified-subject): Dodge relint nag
X-Git-Tag: emacs-28.0.90~2281
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=61961903fd979f0f385db3138025866c88908c6f;p=emacs.git

; * lisp/mail/rmail.el (rmail-simplified-subject): Dodge relint nag
---

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 7ef3754dad1..e479a8e9b4a 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -3360,7 +3360,7 @@ tags such as [tag]."
     ;; Corporate mailing systems sometimes add `[External] :'; if that happened,
     ;; delete everything up thru there.  Empirically, that deletion makes
     ;; the Subject match the other messages in the thread.
-    (if (string-match "[[]external][ \t\n]*:" subject)
+    (if (string-match "\\[external][ \t\n]*:" subject)
         (setq subject (substring subject (match-end 0))))
     (setq subject (rfc2047-decode-string subject))
     (setq subject (replace-regexp-in-string regexp "" subject))