[XeTeX] metalogo and bidi packages

[Ross Moore]

Hi Adam,

On Jun 20, 2017, at 8:10 AM, maxwell <maxwell at umiacs.umd.edu<mailto:maxwell at umiacs.umd.edu>> wrote:

I've installed the new TeXLive 2017.  There is a conflict between the metalogo and bidi packages.  I don't suppose this would be a biggie, except that the xltxtra package loads metalogo.  (And something else I'm using loads xltxtra...)

The conflict is shown in this minimal example:
------
\documentclass{report}
\usepackage{metalogo}
\usepackage{bidi}

It happens while processing the file
       latex-xetex-bidi.def

since metalogo has already defined macros:  \XeTeX  and  \XeLaTeX  .


\begin{document}
hi
\end{document}
------

The error msg is:
--------
(/home/groups/tools/texlive/2017/texmf-dist/tex/xelatex/bidi/latex-xetex-bidi.d
ef

! LaTeX Error: Command \XeTeX already defined.
              Or name \end... illegal, see p.192 of the manual.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
...

l.122 ...di at reflect@box{E}}\kern-.1667em \TeX}}$}}
--------

The reverse loading order (bidi, then metalogo) triggers an error msg from bidi about loading order, and probably wouldn't help anyway.

This following works smoothly, and allows access to both versions of the logo.
Notice that bidi’s version of \XeLaTeX is slightly narrower than the one from  metalogo.

\documentclass{report}
\usepackage{graphicx}
\usepackage{fontspec}
\usepackage{bidi}
\usepackage{metalogo}
%\usepackage{bidi}

% comment or delete these lines, in practice
\makeatletter
\show\XeTeX
\show\original at XeTeX
\makeatother

\begin{document}
Hi, from
\XeTeX\ and \XeLaTeX!

\makeatletter
Hi, from
\original at XeTeX\ and \original at XeLaTeX!
\makeatother

\end{document}




For the time being, doing the following before bidi is loaded seems to solve the problem:
-----
\let\XeTeX\relax
\let\XeLaTeX\relax
-----

  Mike Maxwell
  University of Maryland


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Dr Ross Moore
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