[luatex] LuaTeX 1.10.1-svn7138 breaks fontspec package

[luigi scarso]

On Wed, May 1, 2019 at 3:12 AM Khaled Hosny <dr.khaled.hosny at gmail.com>
wrote:

> On Wed, May 01, 2019 at 03:10:31AM +0200, Khaled Hosny wrote:
> > On Wed, May 01, 2019 at 02:55:18AM +0200, Khaled Hosny wrote:
> > > Hi all,
> > >
> > > Something in the svn 7138 revision breaks fontspec package. In the
> > > attached document the first line is fine, but the second line will give
> > > the warning:
> > >
> > > Package fontspec Warning: Font "amiri-regular" does not contain
> requested
> > > (fontspec)                Script "Latin".
> > >
> > > It seems in the second line fontspec is checking with an empty font
> > > csname. I couldn’t manage to come with a plain TeX file that shows the
> > > issue, but the warning goes away if I revert this chunk:
> > >
> https://github.com/TeX-Live/luatex/commit/e4181e6126b060645f257ec64043bc9eae699576#diff-a34a3b72620549296a59c3bcb1010ff8L218
> >
> > Still no plain TeX document, but the attached patch fixes the issue; “t”
> > should be flushed only if it isn’t the same string number as “d”
> > otherwise the code is flushing the already used string.
>
> ltexlib.c probably needs the same change as well, but I don’t know how
> to test that code.
>

OK, I will see it asap, I need to install tl2019 first (so we are operating
in the same context)

-- 
luigi
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