* 2020-08-03 09:13:35+03, Teemu Likonen wrote: > I believe the header part can be switched to left-to-right mode by > using function bidi-string-mark-left-to-right.
It seems that adding just a single U+200E LEFT-TO-RIGHT MARK character (possibly with invisible text property) in the beginning of message header paragraph will do. The attached (inline) patch does it.
From 4264a1b3561c132343fe6a74e8cf2548e5127c3e Mon Sep 17 00:00:00 2001
From: Teemu Likonen <tliko...@iki.fi>
Date: Mon, 3 Aug 2020 10:25:27 +0300
Subject: [PATCH] Emacs: Force left-to-right display for message headers
Insert U+200E LEFT-TO-RIGHT MARK at the beginning of message headers.
It forces message headers to display as left-to-right text even if
there are strong directional characters in header's values.
See Emacs Lisp reference manual section "(elisp) Bidirectional
Display" for more info.
---
emacs/notmuch-show.el | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index c9170466..87f68bc8 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -467,7 +467,8 @@ unchanged ADDRESS if parsing fails."
"Insert a notmuch style headerline based on HEADERS for a
message at DEPTH in the current thread."
(let ((start (point)))
- (insert (notmuch-show-spaces-n (* notmuch-show-indent-messages-width depth))
+ (insert (propertize (string #x200e) 'invisible t) ; U+200E LEFT-TO-RIGHT MARK
+ (notmuch-show-spaces-n (* notmuch-show-indent-messages-width depth))
(notmuch-sanitize
(notmuch-show-clean-address (plist-get headers :From)))
" ("
--
2.20.1
-- /// Teemu Likonen - .-.. http://www.iki.fi/tlikonen/ // OpenPGP: 4E1055DC84E9DFF613D78557719D69D324539450
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