From 11a9d8fce625c7fdfd067a8443fb215fc1a938d0 Mon Sep 17 00:00:00 2001
From: Glenn Morris <rgm@gnu.org>
Date: Wed, 12 May 2021 09:38:57 -0700
Subject: [PATCH] ; Comment fix

---
 lisp/mail/rmail.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 06bb3bd013e..7ef3754dad1 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -3357,7 +3357,7 @@ removing prefixes such as Re:, Fwd: and so on and mailing list
 tags such as [tag]."
   (let ((subject (or (rmail-get-header "Subject" msgnum) ""))
 	(regexp "\\`[ \t\n]*\\(\\(\\w\\{1,4\\}\u00a0*[:：]\\|\\[[^]]+]\\)[ \t\n]+\\)*"))
-    ;; Debbugs sometimes adds `[External] :'; if that happened,
+    ;; 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)
-- 
2.39.5