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Re: BiDi bug in GNOME Terminal 3.34

From: Sven Joachim
Subject: Re: BiDi bug in GNOME Terminal 3.34
Date: Mon, 16 Sep 2019 13:21:24 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

On 2019-09-16 09:26 +0000, Danial Behzadi wrote:

> BiDi was working fine for Ncurses programs in GNOME Terminal for a
> long time, despite the terminal emulator didn't support BiDi it-self,
> as you see in the first image attached.
> But VTE, the virtual terminal emulator widget used by GNOME Terminal
> and many other terminal emulators such as Terminator, etc. added
> internal support for BiDi about two months ago and GNOME Terminal used
> this feature to show BiDi texts correctly.
> Now the BiDi texts in Ncurses programs are rendered wrongly and could
> not be read, as you see in the second image attached.

Your screenshots appear to be showing whiptail which is not an Ncurses
program at all, but it uses a library named fribidi to render RTL text.
Probably this is incompatible with the new VTE behavior.

I am not aware of BiDi support in ncurses, so this seems to be off-topic
here, as Thomas said.


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