(rmail-unix-mail-delimiter): Allow two-letter timezone name.

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 7564f885bc0d15dd3f0abe0320360c43cfcd117d..d631eba3ab59babcad0494beb63aeb16f1007f07 100644 (file)
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -182,7 +182,7 @@ Called with region narrowed to the message, including headers.")
 ;;; that knows the exact ordering of the \\( \\) subexpressions.
 (defvar rmail-unix-mail-delimiter
   (let ((time-zone-regexp
-        (concat "\\([A-Z]?[A-Z][A-Z][A-Z]\\( DST\\)?"
+        (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
                 "\\|[-+]?[0-9][0-9][0-9][0-9]"
                 "\\|"
                 "\\) *")))