Merge remote-tracking branch 'origin/master' into scratch/pkgscratch/pkg

1 files changed, 2 insertions, 3 deletions

diff --git a/lisp/mail/rmailout.el b/lisp/mail/rmailout.el
index c1371308d4f..18f980df975 100644
--- a/lisp/mail/rmailout.el
+++ b/lisp/mail/rmailout.el
@@ -327,15 +327,14 @@ Replaces the From line with a \"Mail-from\" header.  Adds \"Date\" and
 		     "Date: \\2, \\4 \\3 \\9 \\5 "
 
 		     ;; The timezone could be matched by group 7 or group 10.
-		     ;; If neither of them matched, assume EST, since only
-		     ;; Easterners would be so sloppy.
+		     ;; If neither matched, use "-0000" for an unknown zone.
 		     ;; It's a shame the substitution can't use "\\10".
 		     (cond
 		      ((/= (match-beginning 7) (match-end 7)) "\\7")
 		      ((/= (match-beginning 10) (match-end 10))
 		       (buffer-substring (match-beginning 10)
 					 (match-end 10)))
-		      (t "EST"))
+		      (t "-0000"))
 		     "\n"))
 		  ;; Keep and reformat the sender if we don't
 		  ;; have a From: field.