<div dir="ltr"><div>use pdftex, or etex (or \let\protected=\relax) <br></div><div><br></div><div>Davd</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 1 Dec 2022 at 12:00, Rodolfo Medina <<a href="mailto:rodolfo.medina@gmail.com">rodolfo.medina@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi all.<br>
<br>
After upgrading TeXlive in my Debian system, the simple folowing example:<br>
<br>
\input color<br>
<br>
hallo<br>
<br>
\vfill\eject\end<br>
<br>
processed with simply `tex test, produces the following error:<br>
<br>
$ tex test<br>
This is TeX, Version 3.141592653 (TeX Live 2022/Debian) (preloaded format=tex)<br>
(./test.tex (/usr/share/texlive/texmf-dist/tex/plain/graphics-pln/color.tex<br>
(/usr/share/texlive/texmf-dist/tex/plain/graphics-pln/miniltx.tex<br>
! Undefined control sequence.<br>
l.548 \protected<br>
\def\mathcolor{\begingroup\@ifnextchar[\mlx@mathcolora\mlx...<br>
<br>
? <br>
<br>
<br>
Please help with this issue.<br>
<br>
Thanks,<br>
<br>
Rodolfo<br>
<br>
</blockquote></div>