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%%$Id: mdframed.dtx 347 2012-03-04 13:04:28Z marco $
\setcounter{errorcontextlines}{999}
\documentclass[parskip=false,english,11pt,ltxlipsum]{ltxmdf}
\ltxmdfsetifoot  $Id: mdframed.dtx 347 2012-03-04 13:04:28Z marco $

\usepackage{showexpl}
\lstset{style=lstltxmdf,explpreset={pos=b,rframe={}},}

\newcommand\Loadedframemethod{default}
\usepackage[framemethod=\Loadedframemethod]{mdframed}

\title{The \Pack{mdframed} package}
\subtitle{Examples for \Opt{framemethod=\Loadedframemethod}}
\author{\href{mailto:marco.daniel@mada-nada.de}{Marco Daniel}}
\date{\mdfdateID$Id: mdframed.dtx 347 2012-03-04 13:04:28Z marco $}
\version{\mdversion}
\introduction{In this document I collect various examples for \Opt{framemethod=\Loadedframemethod}.
Some presented examples are more or less exorbitant.}

\mdfsetup{skipabove=\topskip,skipbelow=\topskip}
\newrobustcmd\ExampleText{%
        An \textit{inhomogeneous linear} differential equation has the form
         \begin{align}
            L[v ] = f,
         \end{align}
        where $L$ is a linear differential operator, $v$ is
        the dependent variable, and $f$ is a given non-zero
        function of the independent variables alone.
}

\newcounter{examplecount}
\setcounter{examplecount}{0}
\renewcommand\thesubsection{}
\newcommand\Examplesec[1]{%
\stepcounter{examplecount}%
\subsection{Example~\arabic{examplecount}~--~#1\relax}%
}

\begin{document}
\maketitle
\section{Loading}
In the preamble only the package \Pack{mdframed} width the option \Opt{framemethod=\Loadedframemethod} is loaded. All other modifications will be done by \Cmd{mdfdefinestyle} or \Cmd{mdfsetup}.

{\large\color{red!50!black}
\NOTE Every \Cmd{global} inside the examples is necessary to work with the package \Pack{showexpl}.}

\section{Examples}
All examples have the following settings:

\begin{tltxmdfexample}
\mdfsetup{skipabove=\topskip,skipbelow=\topskip}
\newrobustcmd\ExampleText{%
An \textit{inhomogeneous linear} differential equation
has the form
\begin{align}
L[v ] = f,
\end{align}
where $L$ is a linear differential operator, $v$ is
the dependent variable, and $f$ is a given non-zero
function of the independent variables alone.
}
\end{tltxmdfexample}
\clearpage
\Examplesec{Package listings}
The example below is inspired by the following post on StackExchange \href{http://tex.stackexchange.com/questions/27673/background-overflows-when-using-rounded-corners-for-listings-package-listings}{Background overflows when using rounded corners for listings (package: `listings`)}

Here the solution which can be decorate as usual.

\begin{tltxmdfexample}[moretexcs={BeforeBeginEnvironment,AfterEndEnvironment},morekeywords={lstlisting}]
\BeforeBeginEnvironment{lstlisting}{%
    \begin{mdframed}[<modification>]%
    \vspace{-0.7em}}
\AfterEndEnvironment{lstlisting}{%
    \vspace{-0.5em}%
    \end{mdframed}}
\end{tltxmdfexample}

With the new command \Cmd{surroundwithmdframed} you can use
\begin{tltxmdfexample}[moretexcs={BeforeBeginEnvironment,AfterEndEnvironment},morekeywords={lstlisting}]
\surroundwithmdframed{listings}
\end{tltxmdfexample}

\Examplesec{Package multicol}
How I wrote in \enquote{Known Problems} you can't combine \Pack{multicol}  with \Pack{mdframed}. In a simple way without any breaks you can use:
\begin{LTXexample}
\begin{multicols}{2}
\lipsum[1]
\begin{mdframed}
\ExampleText
\end{mdframed}
\lipsum[2]
\end{multicols}
\end{LTXexample}
\clearpage
\twocolumn[\Examplesec{Working in twocolumn mode}]
\begin{tltxmdfexample}
\twocolumn[%
  \Examplesec{Working in
          twocolumn mode}]
\lipsum[1]\lipsum[2]
\begin{mdframed}[%
   leftmargin=10pt,%
   rightmargin=10pt,%
   linecolor=red,
   backgroundcolor=yellow]
\ExampleText
\end{mdframed}
\lipsum[2]
\end{tltxmdfexample}
\lipsum[1]\lipsum[2]
\begin{mdframed}[leftmargin=10pt,%
                 rightmargin=10pt,%
                 linecolor=red,
                 backgroundcolor=yellow]
\ExampleText
\end{mdframed}
\lipsum[2]
\clearpage
\onecolumn
\Examplesec{Working inside enumerate}
\begin{LTXexample}
Text Text Text Text Text Text Text Text
\begin{enumerate}
\item in the following \ldots
      \begin{mdframed}[linecolor=blue,linewidth=2]
         \ExampleText
      \end{mdframed}
\item \lipsum[2]
\end{enumerate}
Text Text Text Text Text Text
\end{LTXexample}
\end{document}
 \endinput