bug#44521: closed (27.1; ivy.el breaks harfbuzz Arabic shaping)

[GNU bug Tracking System]

Your message dated Tue, 10 Nov 2020 17:54:52 +0200
with message-id <83a6vp2omr.fsf@gnu.org>
and subject line Re: bug#44521: 27.1; ivy.el breaks harfbuzz Arabic shaping
has caused the debbugs.gnu.org bug report #44521,
regarding 27.1; ivy.el breaks harfbuzz Arabic shaping
to be marked as done.

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44521: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=44521
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 27.1; ivy.el breaks harfbuzz Arabic shaping
>
>
>
>
> Date: 
>
> Sun, 08 Nov 2020 19:15:37 +0300
>
>
>
>
> When using ivy.el, some Arabic letters become disconnected. This bug
> doesn't affect Emacs 26.3 or any build "--without-harfbuzz".
>
> 1. Eval:
>
> (progn
>   (load-library "~/.emacs.d/elpa/ivy-0.13.0/ivy-overlay.el")
>   (load-library "~/.emacs.d/elpa/ivy-0.13.0/colir.el")
>   (load-library "~/.emacs.d/elpa/ivy-0.13.0/ivy.el")
>   (ivy-mode t)
>   (run-with-timer .5 nil 'set-input-method "arabic")
>   (run-with-timer .5 nil 'insert "السلام عليكم")
>   (execute-extended-command nil))
>
> 2. While still in the minibuffer, type any Arabic letter. Note the
>    AIN(ع) in "عليكم" changes shape from initial to final.
>
> This bug breaks shaping in most buffers, especially after using
> swiper.el (ivy-based isearch).
>
>
> libharfbuzz0b 2.6.7-1 from debian testing
> In GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.23, cairo 
> version 1.16.0)
>  of 2020-11-08, modified by Debian built on x86-ubc-01
> Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
> System Description: Debian GNU/Linux bullseye/sid
>
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB NOTIFY
> INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF
> ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS LIBSYSTEMD
> JSON PDUMPER LCMS2 GMP
>
> Important settings:
>   value of $LANG: en_US.UTF-8
>   locale-coding-system: utf-8-unix
>
> -- 
> Best,
> Thamer
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#44521: 27.1; ivy.el breaks harfbuzz Arabic shaping
>
>
>
>
> Date: 
>
> Tue, 10 Nov 2020 17:54:52 +0200
>
>
>
>
> > From: Thamer Mahmoud <thamer.mahmoud@gmail.com>
> > Cc: 44521@debbugs.gnu.org
> > Date: Tue, 10 Nov 2020 12:19:12 +0300
> > 
> > Eli Zaretskii <eliz@gnu.org> writes:
> > 
> > > Actually, it turned out that the reason is very clear, thanks for the
> > > recipe which made it so easy.  So I've now fixed this on the emacs-27
> > > branch for the upcoming Emacs 27.2.
> > 
> > Confirmed fixed on 27.1.50.
>
> Thanks, closing.
>
>
> --- End Message ---