/** This file is part of Shapes.
**
** Shapes is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** any later version.
**
** Shapes is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Shapes. If not, see .
**
** Copyright 2008, 2010, 2014 Henrik Tidefelt
**/
##preamble \usepackage{amsmath}
##preamble \usepackage{fancybox}
##lookin ..Shapes
IO..•page << [Graphics..TeX `
\fbox{\begin{Beqnarray*}
&\begin{aligned}
x &= 1 \\
y &= 2 % This is a comment!
\end{aligned}
\end{Beqnarray*}}
´]