From c15672376943ae6bfe05f3ab91f5b8a65a9d8d4a Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Sat, 26 Dec 2020 12:35:34 +0200 Subject: [PATCH] Fix Rmail summary display when From: header is malformed * lisp/mail/rmailsum.el (rmail-header-summary): Remove newlines from the "From:" value, to avoid producing corrupted summary display. --- lisp/mail/rmailsum.el | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lisp/mail/rmailsum.el b/lisp/mail/rmailsum.el index cc55451902a..2eda3222a47 100644 --- a/lisp/mail/rmailsum.el +++ b/lisp/mail/rmailsum.el @@ -786,6 +786,11 @@ the message being processed." ;; To: =?UTF-8?Q?=C5=A0t=C4=9Bp=C3=A1n_?= =?UTF-8?Q?N=C4=9Bmec?= ;; (setq from (rfc2047-decode-string from)) + ;; We cannot tolerate any leftover newlines in From, + ;; as that disrupts the rmail-summary display. + ;; Newlines can be left in From if it was malformed, + ;; e.g. had unbalanced quotes. + (setq from (replace-regexp-in-string "\n+" " " from)) (setq len (length from)) (setq mch (string-match "[@%]" from)) (format "%25s" -- 2.39.2