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### xcolor, \rowcolors and array environments

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Is it a bug or a feature? (Or how do I disable alternating row colors
in math mode, while still using them outside?)

\documentclass{article}
\usepackage[table]{xcolor}
\rowcolors{2}{red!50}{blue!50}
\begin{document}
$a = \left(\begin{array}{c} 1\\ 2\\ 3 \end{array}\right)$
\end{document}

Thanks,
Dominik
 0

See related articles to this posting

Am 11.09.2010 02:42, schrieb Dominik Menke:
> Is it a bug or a feature? (Or how do I disable alternating row colors
> in math mode, while still using them outside?)
>
> \documentclass{article}
> \usepackage[table]{xcolor}
> \rowcolors{2}{red!50}{blue!50}
> \begin{document}
> $a = \left(\begin{array}{c} \hiderowcolors 1\\ 2\\ 3 \end{array}\right)$
> \end{document}

Herbert
 0

On Sep 11, 5:28=A0am, Herbert Voss <Herbert.V...@FU-Berlin.de> wrote:
> Am 11.09.2010 02:42, schrieb Dominik Menke:> Is it a bug or a feature? (O=
r how do I disable alternating row colors
> > in math mode, while still using them outside?)
>
> > \documentclass{article}
> > \usepackage[table]{xcolor}
> > \rowcolors{2}{red!50}{blue!50}
> > \begin{document}
> > $a =3D \left(\begin{array}{c} > > \hiderowcolors > =A0 1\\ 2\\ 3 \end{array}\right)$
>
> > \end{document}
>
> Herbert

That is a little inconvenient when there are a lot of
math alignments. It would be better if xcolor.sty
defined a switch to just turn table colors off for the
rest of the document or current group (and one
to turn them back on, of course). I had some success
with the following. However, I didn't test it very much.

\makeatletter
\def\stoprowcolors{\@rowcolorsfalse}
\def\startrowcolors{\@rowcolorstrue}
\makeatother
\everymath{\stoprowcolors}

The problem with \hiderowcolors is that it must occur within
the relevant alignment (its definition starts with \noalign).
A command like \stoprowcolors would be usable elsewhere.

It would also be nice if xcolor.sty could provide a "nomath"
option for row colors.

Dan
 0

> It would also be nice if xcolor.sty could provide a "nomath"
> option for row colors.

I'd prefer that way too. I also tried to rewrite the \rowcolors
command, by I already failed on the extraction from xolors.sty...

Dominik

 0
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