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Subject: bug#52268: [PATCH core-updates-frozen] gnu: Add texlive-latex-luatex.
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To: Thiago Jung Bauermann <bauermann@kolabnow.com>
Cc: Ricardo Wurmus <rekado@elephly.net>,
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From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
References: <20211204021611.80688-1-bauermann@kolabnow.com>
Date: Sun, 05 Dec 2021 16:40:33 +0100
In-Reply-To: <20211204021611.80688-1-bauermann@kolabnow.com> (Thiago Jung
 Bauermann's message of "Fri, 3 Dec 2021 23:16:11 -0300")
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Hello,

Thiago Jung Bauermann <bauermann@kolabnow.com> skribis:

> When TeX Live was updated to version 2021 the =E2=80=98lualatex=E2=80=99 =
format started
> being generated with the LuaHBTeX engine, but the =E2=80=98lualatex=E2=80=
=99 command still
> uses the LuaTeX engine. This causes the command to fail:
>
>   user@popigai:~$ lualatex hello.tex
>   This is LuaTeX, Version 1.13.0 (TeX Live 2021/GNU Guix)
>   restricted system commands enabled.
>
>   ---! lualatex.fmt was written by luahbtex
>   (Fatal format file error; I'm stymied)user@popigai:~$
>
> The correct way to fix this problem would be either to change texlive-bin
> to make =E2=80=98lualatex=E2=80=99 use the LuaHBTeX engine, or to change =
texlive-latex-base
> to generate =E2=80=98lualatex.fmt=E2=80=99 with LuaTeX. Both options woul=
d rebuild large
> parts of the world.
>
> Ricardo Wurmus suggested creating a new package to provide =E2=80=98luala=
tex.fmt=E2=80=99
> for LuaTeX as a workaround. This is what this package does.
>
> Fixes https://issues.guix.gnu.org/51252.
>
> * gnu/packages/tex.scm (texlive-latex-luatex): New variable.

Applied, thanks!

I don=E2=80=99t fully understand the issue but it looks like a reasonable a=
nd
non-intrusive fix.

Ludo=E2=80=99.