Subject: Re: bug#41005: problem with rendering Persian text in Emacs 27

From: hossein valizadeh <[email-masked]>
Date: Thu, 4 Jun 2020 10:57:55 +0430

HarfBuzz version is  2.6.7
XMODIFIERS=''  make no difference.
Text used in these screenshots are  https://time.ir  in  EWW mode. (help
buffer content displayed in screenshots)

i will try on master branch and  report the result.

On Thu, Jun 4, 2020 at 8:40 AM Eli Zaretskii <[email-masked]> wrote:

> On June 4, 2020 7:01:30 AM GMT+03:00, Eli Zaretskii <[email-masked]> wrote:
> > On June 4, 2020 6:01:21 AM GMT+03:00, hossein valizadeh
> > <[email-masked]> wrote:
> > > Hello,
> > >
> > > 1. This happen with every font that supports Arabic.
> > > 2. When scale back to zero the problem happen again.
> > >
> > > I attached my emacs-bug-info.
> > >
> > >
> > > On Thu, Jun 4, 2020 at 7:09 AM hossein valizadeh
> > > <[email-masked]>
> > > wrote:
> > >
> > > > Hello,
> > > >
> > > > 1. This happen with every font that supports Arabic.
> > > > 2. When scale back to zero the problem happen again.
> > > >
> >
> >
> > Thanks.
> >
> > What is your version of HarfBuzz?
> > And what happens if you unset XMODIFIERS, i.e. disable the ibus input
> > method framework?
>
> Also, please go to the problematic place in the text and type "C-u C-x =",
> then post everything that Emacs shows in the *Help* buffer as result.
> Please do this both at text scale zero, when shaping is incorrect, and at
> non-zero scale, and post the contents of *Help* in both cases.
>
> Screenshots of both displays as well as the text of the buffer used for
> these experiments will also help, as mentioned earlier
>
> And finally, please try this with the version on the master branch, where
> a few fixes were installed lately.
>