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emacs-27 c156723: Fix Rmail summary display when From: header is malform
From: |
Eli Zaretskii |
Subject: |
emacs-27 c156723: Fix Rmail summary display when From: header is malformed |
Date: |
Sat, 26 Dec 2020 05:36:55 -0500 (EST) |
branch: emacs-27
commit c15672376943ae6bfe05f3ab91f5b8a65a9d8d4a
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>
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 cc55451..2eda322 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?=
;; <stepnem@gmail.com>
(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"
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