colors

[Gérald Tenenbaum]

Perfect! Many thanks.

David Carlisle a écrit le 13/06/2022 à 17:05 :
> Yes the fix as I posted here earlier, or wait a day as that miniltx 
> has been sent to ctan so should appear in distributions in the next 
> day or so.
>
> David
>
> On Mon, 13 Jun 2022 at 16:01, Gérald Tenenbaum <gerald.ten at free.fr 
> <mailto:gerald.ten at free.fr>> wrote:
>
>     Well, I also use LaTeX.
>     Is it possible to find out what made the last update incompatible
>     with eplain?
>
>     David Carlisle a écrit le 13/06/2022 à 15:50 :
>>
>>
>>     On Mon, 13 Jun 2022 at 13:00, Gérald Tenenbaum
>>     <gerald.ten at free.fr <mailto:gerald.ten at free.fr>> wrote:
>>
>>         Thank you.
>>         Actually, I found up that it is the update of the package
>>         graphics that broke the use of color, that was previously
>>         known to work with eplain. I reverted graphics to the
>>         previous version and color works again.
>>         Regards,
>>
>>         Gérald
>>
>>
>>     That may be OK on a personal installation if you don't use latex,
>>     but I can't really recommend it. It's an untested and
>>     unsupportable configuration and would break color and graphics
>>     support in latex
>>
>>     David.
>>
>>
>>         David Carlisle a écrit le 13/6/22 à 13:00 :
>>>
>>>         You should I think be able to add
>>>
>>>
>>>         \ifx\mathcolor\@undefined
>>>           % simplified version of \mathcolor
>>>         \protected\def\mathcolor{\begingroup\@ifnextchar[\mlx at mathcolora\mlx at mathcolorb}
>>>         \long\def\mlx at mathcolora[#1]#2#3{\color[#1]{#2}#3\endgroup}
>>>         \long\def\mlx at mathcolorb#1#2{\color{#1}#2\endgroup}
>>>         \fi
>>>
>>>         to the end of miniltx.ltx  If that works for your real
>>>         documents I'll arrange an update at ctan
>>>
>>>         David
>>>
>>>
>>>         On Mon, 13 Jun 2022 at 10:56, Gérald Tenenbaum
>>>         <gerald.ten at free.fr <mailto:gerald.ten at free.fr>> wrote:
>>>
>>>             Hello,
>>>
>>>             Here is a small file that used to work but doesn't anymore:
>>>
>>>             \input eplain
>>>             \beginpackages
>>>             \usepackage{color}
>>>             \endpackages
>>>             \long\def\red#1{{\color{red}#1}}
>>>             \red{ab}
>>>             \bye
>>>
>>>
>>>             The error message is:
>>>
>>>             This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX
>>>             Live 2022) (preloaded format=pdftex)
>>>              restricted \write18 enabled.
>>>             entering extended mode
>>>             (./essai.tex
>>>             (/usr/local/texlive/2022/texmf-dist/tex/eplain/eplain.tex)
>>>             (/usr/local/texlive/2022/texmf-dist/tex/plain/graphics-pln/miniltx.tex)
>>>             (/usr/local/texlive/2022/texmf-dist/tex/latex/graphics/color.sty
>>>             (/usr/local/texlive/2022/texmf-dist/tex/latex/graphics-cfg/color.cfg)
>>>             (/usr/local/texlive/2022/texmf-dist/tex/latex/graphics-def/pdftex.def)
>>>             (/usr/local/texlive/2022/texmf-dist/tex/latex/graphics/mathcolor.ltx
>>>             /usr/local/texlive/2022/texmf-dist/tex/latex/graphics/mathcolor.ltx:21:
>>>             Undefined control sequence.
>>>             l.21 \ExplSyntaxOn
>>>
>>>             Many thanks for help.
>>>             Regards,
>>>
>>>             Gérald
>>
>

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