for typesetting verbatim source code listings, including the display
of the source code and its compiled LaTeX or METAPOST output
side-by-side, with automatic width detection and enabled page breaks
(in the source), without the need for specifying the source twice.
WWW: http://www.ctan.org/tex-archive/macros/latex2e/contrib/examplep
PR: ports/167788
Submitted by: Hiroto Kagotani <hiroto.kagotani@gmail.com>
