From: nisse@lysator.liu.se (Niels Möller)
To: Eli Zaretskii <eliz@gnu.org>
Cc: 43207@debbugs.gnu.org
Subject: bug#43207: 26.3; Strange bidi behavior
Date: Sat, 05 Sep 2020 08:46:51 +0200 [thread overview]
Message-ID: <cpfy2lora90.fsf@fukushima.lysator.liu.se> (raw)
In-Reply-To: <835z8tqpha.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 04 Sep 2020 23:03:13 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
> It is not a bug, but the expected behavior. The display of
> bidirectional text is affected by the "base paragraph direction", and
> in Emacs paragraphs are separated by empty lines. Since there's no
> empty line between the Arabic text and the following lines of Latin
> text, that Latin text "inherits" the base paragraph direction of
> right-to-left, set by the line that has only the Arabic text.
Thanks for the explanation. So if the base paragraph direction is
right-to-left, then right arrow is supposed to move logical backwards,
like C-b.
> You can either insert an empty line between that Arabic line,
Is there any way to tell emacs that a new paragraph starts, without
inserting anything visible in the buffer? Some special unicode
character, or emacs text property?
> But this is how most bidi-supporting applications out there behave.
For what it's worth, display in firefox works differently. The line of
arabic text is right-to-left and right-justified on the screen, but
following lines are left-to-right, more like what I expected. So it
seems to use a different parapgraph heuristics than emacs.
> If you prefer the arrow keys to move the cursor visually, you can do
>
> M-x set-variable RET visual-order-cursor-movement RET t RET
>
> (This is also in the manual.)
I was also able to find this setting via the documentation for
left-char/right-char. That's nice.
Regards,
/Niels
--
Niels Möller. PGP-encrypted email is preferred. Keyid 368C6677.
Internet email is subject to wholesale government surveillance.
next prev parent reply other threads:[~2020-09-05 6:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-04 19:36 bug#43207: 26.3; Strange bidi behavior Niels Möller
2020-09-04 20:03 ` Eli Zaretskii
2020-09-05 0:09 ` Stefan Kangas
2020-09-05 6:46 ` Niels Möller [this message]
2020-09-05 7:35 ` Eli Zaretskii
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