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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: emacs-27 30a7ee5: Fix Arabic shaping when eww/shr fill the text to be rendered
Date: Fri, 05 Jun 2020 09:58:57 -0400	[thread overview]
Message-ID: <jwvpnadsjjn.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <20200605075724.3C52120A26@vcs0.savannah.gnu.org> (Eli Zaretskii's message of "Fri,  5 Jun 2020 03:57:23 -0400 (EDT)")

>     Fix Arabic shaping when eww/shr fill the text to be rendered
>     * src/hbfont.c (hbfont_shape): Don't use DIRECTION if the current
>     buffer has bidi reordering disabled.  (Bug#41005)
[...]
> -  if (!NILP (direction))
> +  if (!NILP (direction)
> +      /* If they bind bidi-display-reordering to nil, the DIRECTION
> +	 they provide is meaningless, and we should let HarfBuzz guess
> +	 the real direction.  */
> +      && !NILP (BVAR (current_buffer, bidi_display_reordering)))

Hmm... so indeed I see that SHR binds `bidi-display-reordering`.
Isn't that a problem, since its docstring says:

    [...]
    Setting this to nil is intended for use in debugging the display code.
    [...]

Can we change SHR so it doesn't bind this var?


        Stefan




       reply	other threads:[~2020-06-05 13:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200605075722.16213.57047@vcs0.savannah.gnu.org>
     [not found] ` <20200605075724.3C52120A26@vcs0.savannah.gnu.org>
2020-06-05 13:58   ` Stefan Monnier [this message]
2020-06-05 14:20     ` emacs-27 30a7ee5: Fix Arabic shaping when eww/shr fill the text to be rendered Eli Zaretskii
2020-06-05 15:20       ` Stefan Monnier

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