path: root/Master/texmf-dist/tex/latex/mdframed/mdframed.sty

%%
%% This is file `mdframed.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% mdframed.dtx  (with options: `package')
%% ----------------------------------------------------------------
%% Working with the command fbox or fcolorbox, one has to
%% handle page breaks by hand. The present package defines the
%% environment mdframed which automatically deals with page breaks.
%% 
%% Author's name: Marco Daniel and Elke Schubert (!new)
%% License type: lppl
%% 
%% ==================================================
%% ========Is based on the idea of framed.sty========
%% ==================================================
%% ===== Currently the package has a beta-Status ====
%% ==================================================
%%  WITH THANKS TO (alphabetically):
%%  ROLF NIEPRASCHK
%%  HEIKO OBERDIEK
%%  HERBERT VOSS
%% 
%%  Copyright (c) 2010 Marco Daniel
%% 
%%  This package may be distributed under the terms of the LaTeX Project
%%  Public License, as described in lppl.txt in the base LaTeX distribution.
%%  Either version 1.0 or, at your option, any later version.
%% 
%% 
%% =================================================
%%  Erstellung eines Rahmens, der am Seitenende keine
%%  horizontale Linie einfuegt
%% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
%%       _______________
%%       |    page 1   |
%%       |    Text     |
%%       |  __Text__   |
%%       |  | Text |   |
%%      P A G E B R E A K
%%       |  | Text |   |
%%       |  |_Text_|   |
%%       |    Text     |
%%       |____page 2___|
%% 
%% >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
%% ==================================================
%% 
\def\mdversion{v1.0c}
\def\mdframedpackagename{mdframed}
\def\md@maindate@svn$#1: #2 #3 #4-#5-#6 #7 #8${#4/#5/#6\space }
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mdframed}%
     [\md@maindate@svn$Id: mdframed.dtx 273 2011-12-10 09:21:09Z marco $%
      \mdversion: \mdframedpackagename]
\newcommand*\md@PackageWarning[1]{\PackageWarning{\mdframedpackagename}{#1}}
\newcommand*\md@PackageInfo[1]{\PackageInfo{\mdframedpackagename}{#1}}
\newcommand*\md@LoadFile@IfExist[1]{%
 \IfFileExists{#1.sty}{%
          \RequirePackage{#1}%
        }{%
        \md@PackageWarning{The file #1 does not exist^^J
                           but needed by \mdframedpackagename^^J
                           see documentation fo further information
                           }%
       }
}
\RequirePackage{kvoptions}
\RequirePackage{etex}
\RequirePackage{etoolbox}[2011/01/03]
\RequirePackage{zref-abspage}
\RequirePackage{color}
\SetupKeyvalOptions{family=mdf,prefix=mdf@}

\newlength{\md@templength}
\def\md@iflength#1{%
  \afterassignment\md@iflength@check%
  \md@templength=#1\mdf@defaultunit\relax\relax
  \expandafter\endgroup\next
}
\def\md@iflength@check#1{%
  \begingroup
  \ifx\relax#1\@empty
    \def\next{\@secondoftwo}
  \else
    \def\next{\@firstoftwo}
    \expandafter\md@iflength@cleanup
  \fi
}
\def\md@iflength@cleanup#1\relax{}
\newrobustcmd*{\mdf@option@length}[2]{%
 \expandafter\newlength\csname mdf@#1@length\endcsname%
 \expandafter\setlength\csname mdf@#1@length\endcsname{#2}%
 }
\newrobustcmd*{\mdf@define@key@length}[1]{%
   \define@key{mdf}{#1}{%
      \def\@tempa{##1}
      \md@iflength{\@tempa}%
       {\csxdef{mdfl@#1}{\the\md@templength}}%
       {\csxdef{mdfl@#1}{\the\md@templength}}%
       \expandafter\setlength\csname mdf@#1@length\endcsname{\csname mdfl@#1\endcsname}%
   }%
}
\DeclareListParser*{\mdf@dolist}{,}
\def\mdf@do@lengthoption#1{%
  \mdf@lengthoption@doubledo#1\@nil%
}
\def\mdf@lengthoption@doubledo#1==#2\@nil{%
   \mdf@option@length{#1}{#2}%
   \mdf@define@key@length{#1}%
}
\def\mdf@do@stringoption#1{%
   \mdf@stringoption@doubledo#1\@nil%
}
\def\mdf@stringoption@doubledo#1==#2\@nil{%
   \expandafter\gdef\csname mdf@#1\endcsname{#2}%
   \define@key{mdf}{#1}{%
      \csdef{mdf@#1}{##1}%
   }%
}
\def\mdf@do@booloption#1{%
   \mdf@booloption@doubledo#1\@nil%
}
\def\mdf@booloption@doubledo#1==#2\@nil{%
   \newbool{mdf@#1}\setbool{mdf@#1}{#2}%
   \define@key{mdf}{#1}[#2]{%
      \setbool{mdf@#1}{##1}%
   }%
}
\def\mdf@do@alignoption#1{%
   \mdf@alignoption@tripledo#1\@nil%
}
\def\mdf@alignoption@tripledo#1==#2==#3\@nil{%
   \csdef{mdf@align@#1@left}{\null\hspace*{#2}}%
   \csdef{mdf@align@#1@right}{\hspace*{#3}\null}%
}
\newcounter{mdf@globalstyle@cnt}
\defcounter{mdf@globalstyle@cnt}{0}
\newcommand*\mdfglobal@style{0}
\define@key{mdf}{style}{%
        \md@PackageWarning{package option style is depreciated^^J
                           use framemethod instead\MessageBreak}%
        \renewcommand*\mdfglobal@style{#1}%
        \defcounter{mdf@globalstyle@cnt}{#1}%
         \ifcase\value{mdf@globalstyle@cnt}\relax
             %0 <- kein Grafikpaket
          \or\md@LoadFile@IfExist{tikz}%
          \or\md@LoadFile@IfExist{pstricks-add}%
          \or\defcounter{mdf@globalstyle@cnt}{2}%
              \md@LoadFile@IfExist{pstricks-add}%
          \or\md@LoadFile@IfExist{pstricks-add}%
          \else\md@PackageWarning{Unknown global style \value{mdf@globalstyle@cnt}}%
        \fi%
}
\providecommand*\mdf@framemethod{}
\def\md@framemethod@i{}%
\def\md@framemethod@ii{}%
\def\md@framemethod@iii{}%
\define@key{mdf}{framemethod}[default]{%
  \lowercase{\def\md@tempa{#1}}
  \forcsvlist{\listadd\md@framemethod@i}{default,tex,latex,none,0}
  \forcsvlist{\listadd\md@framemethod@ii}{pgf,tikz,1}
  \forcsvlist{\listadd\md@framemethod@iii}{pstricks,ps,2,postscript}
  \xifinlist{\md@tempa}{\md@framemethod@i}%
     {\def\mdf@@framemethod{default}\defcounter{mdf@globalstyle@cnt}{0}}%
     {\xifinlist{\md@tempa}{\md@framemethod@ii}%
         {\def\mdf@@framemethod{tikz}\defcounter{mdf@globalstyle@cnt}{1}}%
         {\xifinlist{\md@tempa}{\md@framemethod@iii}%
             {\def\mdf@@framemethod{pstricks}\defcounter{mdf@globalstyle@cnt}{2}}%
             {%
              \md@LoadFile@IfExist{#1}%
             }%
         }%
     }%
  \ifcase\value{mdf@globalstyle@cnt}\relax%
         %0 <- kein Grafikpaket
     \or\md@LoadFile@IfExist{tikz}%
     \or\md@LoadFile@IfExist{pstricks-add}%
     \or\md@LoadFile@IfExist{pstricks-add}%
  \fi%
}
\mdf@dolist{\mdf@do@lengthoption}{%
   {skipabove==\z@},%
   {skipbelow==\z@},%
   {leftmargin==\z@},%
   {rightmargin==\z@},%
   {margin==20pt},%
   {innerleftmargin==10pt},%
   {innerrightmargin==10pt},%
   {innertopmargin==0.4\baselineskip},%
   {innerbottommargin==0.4\baselineskip},%
   {splittopskip==\z@},%
   {splitbottomskip==\z@},%
   {outermargin==-999pt},%
   {innermargin==-999pt},%
   {linewidth==0.4pt},%
   {innerlinewidth==\z@},%
   {middlelinewidth==\expandafter\mdf@linewidth@length},%
   {outerlinewidth==\z@},%
   {roundcorner==\z@},%
   {footenotedistance==\medskipamount},
   {userdefinedwidth==\linewidth}
}
\mdf@dolist{\mdf@do@stringoption}{%
    {defaultunit==pt},%
    {settings=={}},%
    {linecolor==black},%
    {backgroundcolor==white},%
    {fontcolor==black},%
    {innerlinecolor==\mdf@linecolor},%
    {outerlinecolor==\mdf@linecolor},%
    {middlelinecolor==\mdf@linecolor},%
    {psroundlinecolor==\mdf@backgroundcolor},%
    {frametitle=={}},%
    {frametitlefont==\bfseries\large},%
    {printheight==none},%
}
\mdf@dolist{\mdf@do@booloption}{%
    {ntheorem==false},%
    {topline==true},%
    {leftline==true},%
    {bottomline==true},%
    {rightline==true},%
    {hidealllines==false},%
    {nobreak==false},%
    {footnoteinside==true},%
}
\mdf@dolist{\mdf@do@alignoption}{%
    {left==\mdf@leftmargin@length==\z@},%
    {center==\fill==\fill},%
    {right==\fill==\mdf@rightmargin@length},%
    {outer==\fill==\mdf@rightmargin@length},%not supported yet
    {outer==\mdf@leftmargin@length==\fill},%not supported yet
}
\newcommand*\mdf@align{}%
\newcommand*\mdf@makeboxalign@left{\null\hspace*{\mdf@leftmargin@length}}%
\newcommand*\mdf@makeboxalign@right{}%
\define@key{mdf}{align}[left]{%
   \ifcsundef{mdf@align@#1@left}{%
       \md@PackageWarning{Unknown alignment #1\MessageBreak}%
       \letcs\mdf@makeboxalign@left{mdf@align@left@left}%
       \letcs\mdf@makeboxalign@right{mdf@align@left@right}%
   }{%
       \def\mdf@makeboxalign@left{\csuse{mdf@align@#1@left}}%
       \def\mdf@makeboxalign@right{\csuse{mdf@align@#1@right}}%
   }%
}
\def\mdf@tikzset@local{\tikzset{tikzsetting/.style={}}}
\define@key{mdf}{tikzsetting}{%
  \def\mdf@tikzset@local{\tikzset{tikzsetting/.style={#1}}}%
}
\define@key{mdf}{apptotikzsetting}{%
  \appto\mdf@tikzset@local{#1}%
}
\def\mdf@psset@local{}
\define@key{mdf}{pstrickssetting}{%
  \def\mdf@psset@local{#1}
}
\def\mdf@xcolor{}
\define@key{mdf}{xcolor}[none]{%
  \@ifpackageloaded{xcolor}{%
     \let\mdf@xcolor\@empty %ignoriere die Eingabe der Optionen
     }{%
     \def\@tempa{none}%
      \ifx\mdf@xcolor\@tempa
         \else
         \PassOptionsToPackage{\mdf@xcolor}{xcolor}%
         \RequirePackage{xcolor}%
      \fi%
   }%
 }
\define@key{mdf}{needspace}[\z@]{%
     \begingroup%
        \setlength{\dimen@}{#1}%
        \vskip\z@\@plus\dimen@%
        \penalty -100\vskip\z@\@plus -\dimen@%
        \vskip\dimen@%
        \penalty 9999%
        \vskip -\dimen@%
        \vskip\z@skip % hide the previous |\vskip| from |\addvspace|
      \endgroup%
}
\DeclareDefaultOption{%
   \md@PackageWarning{Unknown Option '\CurrentOption' for mdframed}}
\ProcessKeyvalOptions*\relax
\newcommand*{\mdfsetup}{\setkeys{mdf}}
\define@key{mdf}{style}{%
  \ifcsundef{mdf@definestyle@#1}{%
    \md@PackageWarning{Unknown definedstyle #1^^J
                       You have to define a style ^^J
                       via \string\mdfdefinedstyle\MessageBreak
                      }%
   }%
   {\expandafter\expandafter\expandafter\mdfsetup%
    \expandafter\expandafter\expandafter{\csname mdf@definestyle@#1\endcsname}}%
}%
\let\md@PackageNoInfo\@gobble
\newrobustcmd*\md@ifstrequal@expand{%
\expandafter\ifstrequal\expandafter{\mdf@printheight}%
}
\newrobustcmd*\md@print@space{%
  %case "none"
  \md@ifstrequal@expand{none}{\def\md@tempa{NoInfo}}{%
      %case "info"
      \md@ifstrequal@expand{info}{\def\md@tempa{Info}}{%
         %case "warning"
         \md@ifstrequal@expand{warning}{\def\md@tempa{Warning}}{%
            %case "unknown"
            \md@PackageWarning{Unknown key for printheight=\mdf@printheight^^J
                               use none, info or warning}%
             \def\md@tempa{none}%
         }%
      }%
  }%
\def\md@PackageInfoSpace{\csname md@Package\md@tempa\endcsname}%
}
\def\md@lrbox#1{%
  \edef\reserved@a{%
    \endgroup
    \setbox#1\vbox{%
      \begingroup\aftergroup}%
        \def\noexpand\@currenvir{\@currenvir}%
        \def\noexpand\@currenvline{\on@line}}%
  \reserved@a
    \@endpefalse
    \@parboxrestore
    \begingroup%
    \color@setgroup
    \color{\mdf@fontcolor}%
    \hsize=\md@horizontalspaceofbox%
    \columnwidth=\hsize%
    \textwidth=\hsize%
    \linewidth=\hsize%
    \@parboxrestore
    \bgroup\md@@frametitle\egroup\noindent%
    \ignorespaces}

\def\endmd@lrbox{\endgroup\unskip\color@endgroup}
\let\md@trivlist\trivlist
\let\endmd@trivlist\endtrivlist
\patchcmd\endmd@trivlist\@endparenv\md@endparenv{}{}
\def\md@endparenv{%
  \addpenalty\@endparpenalty\addvspace\mdf@skipbelow@length\@endpetrue}
\newrobustcmd*\mdf@makebox@out[2][\linewidth]{%
 \noindent\hb@xt@\z@{%
    \noindent\makebox[\dimexpr #1\relax][l]{#2}%
 \hss}%
}%
\newrobustcmd*\mdf@makebox@in[2][\mdf@userdefinedwidth@length]{%
 \noindent\makebox[\dimexpr #1\relax][l]{#2}%
}
\newrobustcmd*\mdfdefinestyle[2]{%
  \csdef{mdf@definestyle@#1}{#2}%
}
\newrobustcmd*\mdfapptodefinestyle[2]{%
 \ifcsundef{mdf@definestyle@#1}%
   {\md@PackageWarning{Unknown style #1}}%
   {\csappto{mdf@definestyle@#1}{,#2}}%
}
\newrobustcmd*\newmdenv[2][]{%
  \newenvironment{#2}{%
     \mdfsetup{#1}%
     \begin{mdframed}%
    }{%
     \end{mdframed}%
  }%
}
\newrobustcmd*\renewmdenv[2][]{%
  \expandafter\let\csname #2\endcsname\relax%
  \expandafter\let\csname end#2\endcsname\relax%
  \newmdenv[#1]{#2}%
  }%
\newrobustcmd*\newmdtheoremenv{%
   \kernel@ifnextchar[%]
     {\newmdtheoremenv@i}{\newmdtheoremenv@i[]}%
}
\def\newmdtheoremenv@i[#1]#2{%
   \kernel@ifnextchar[%]
     {\newmdtheoremenv@ii[#1]#2}{\newmdtheoremenv@ii[#1]#2[]}%
}
\def\newmdtheoremenv@ii[#1]#2[#3]#4{%
    \kernel@ifnextchar[%]
     {\newmdtheoremenv@iii[#1]#2[#3]#4}{\newmdtheoremenv@iii[#1]#2[#3]#4[]}%
}
\def\newmdtheoremenv@iii[#1]#2[#3]#4[#5]{%
   \ifboolexpr{ test {\ifblank {#3}} and test {\ifblank {#5}} }%
   {%
     \newtheorem{#2}{#4}%
   }{%
      \ifboolexpr{ not (test {\ifblank {#3}}) and not (test {\ifblank {#5}}) }%
         {\md@PackageWarning{You can't such a comibination for newmdtheoremenv^^J
                             Instead mdframed uses newtheorem{#2}{#4}}%
          \newtheorem{#2}{#4}%
         }%
         {%
          \notblank{#3}{\newtheorem{#2}[#3]{#4}}{}%
          \notblank{#5}{\newtheorem{#2}{#4}[#5]}{}%
         }%
   }%
   \BeforeBeginEnvironment{#2}{\begin{mdframed}[#1]}%
   \AfterEndEnvironment{#2}{\end{mdframed}}%
}
\let\mdraggedtitle\raggedright
\providecommand*\mdframedtitleenv[1]{%
  \@afterindentfalse
   {\parindent \z@
         \setlength{\parfillskip}{\z@ plus 1fil}%
         \mdraggedtitle\nobreak\mdf@frametitlefont#1\relax%
    \par}%
  \@afterheading}

\newrobustcmd*\md@@frametitle{%
  \ifx\mdf@frametitle\@empty\relax%
  \else
    \color@begingroup\@nobreaktrue%
    \mdframedtitleenv{\mdf@frametitle}%
    \color@endgroup
  \fi%
}
\newrobustcmd*\md@checkntheorem{%
  \ifbool{mdf@ntheorem}%       %%% Pruefen ob ntheorem gesetzt ist
    {\ifundef{\theorempreskipamount}%
          {\md@PackageWarning{You have not loaded ntheorem yet}}%
          {\setlength{\theorempreskipamount}{\z@}%
           \setlength{\theorempostskipamount}{\z@}%
    }%
  }{}%
}
\newrobustcmd*\md@footnoterule{%
    \kern0\p@%
    \hrule \@width 1in \kern 2.6\p@}
\newrobustcmd*\md@footnoteoutput{%
     \ifvoid\@mpfootins\else
          \nobreak%
          \vskip\mdf@footenotedistance@length%
          \normalcolor%
          \md@footnoterule
          \unvbox\@mpfootins
     \fi%
}
\newrobustcmd*\md@footnoteinput{%
   \def\@mpfn{mpfootnote}%
   \def\thempfn{\thempfootnote}%
   \c@mpfootnote\z@%
   \let\@footnotetext\@mpfootnotetext%
}
\newrobustcmd*\mdf@load@style{%
\ifcase\value{mdf@globalstyle@cnt}\relax%
    \input{md-frame-0.mdf}%
 \or\input{md-frame-1.mdf}%
 \or\input{md-frame-2.mdf}%
 \or\input{md-frame-3.mdf}%
 \else%
    \IfFileExists{md-frame-\value{mdf@globalstyle@cnt}.mdf}%
    {\input{md-frame-\value{mdf@globalstyle@cnt}.mdf}}%
    {%
     \input{md-frame-0.mdf}%
     \md@PackageWarning{The style number \value{mdf@globalstyle@cnt} does not exist^^J
                        mdframed ues instead style=0 \mdframedpackagename}%
    }%
\fi%
}%
\mdf@load@style

\newrobustcmd*\md@styledefinition{%
   \ifnumequal{\value{mdf@globalstyle@cnt}}{0}%
   {\deflength{\mdf@innerlinewidth@length}{\z@}%
    \deflength{\mdf@middlelinewidth@length}{\mdf@linewidth@length}%
    \deflength{\mdf@outerlinewidth@length}{\z@}%
    \let\mdf@innerlinecolor\mdf@linecolor%
    \let\mdf@middlelinecolor\mdf@linecolor%
    \let\mdf@outerlinecolor\mdf@linecolor%
   }{}%
   \ifnumequal{\value{mdf@globalstyle@cnt}}{2}%
   {\deflength{\mdf@innerlinewidth@length}{\z@}%
   \deflength{\mdf@middlelinewidth@length}{\mdf@linewidth@length}%
    \deflength{\mdf@outerlinewidth@length}{\z@}%
    \let\mdf@innerlinecolor\mdf@linecolor%
   }{}%
   \ifnumequal{\value{mdf@globalstyle@cnt}}{3}%
   {\deflength{\mdf@innerlinewidth@length}{\z@}%
   \deflength{\mdf@middlelinewidth@length}{\mdf@linewidth@length}%
    \deflength{\mdf@outerlinewidth@length}{\z@}%
    \let\mdf@innerlinecolor\mdf@linecolor%
   }{}%
}
\let\md@reserved@a\@empty
\newrobustcmd*\detected@md@put@frame{%
  \ifmdf@nobreak%Option nobreak=true?
     \def\md@reserved@a{\md@put@frame@standalone}%
  \else
     \def\md@reserved@a{\md@put@frame}%
     \ifnum\@floatpenalty<0\relax%Detecting float
        \if@twocolumn%
           \ifx\@captype\@undefined
               \def\md@reserved@a{\md@put@frame}%
           \else
               \md@PackageInfo{mdframed inside float  ^^J
                               mdframed uses option nobreak \mdframedpackagename}%
               \def\md@reserved@a{\md@put@frame@standalone}%
           \fi
        \else
           \md@PackageInfo{mdframed inside float  ^^J
                           mdframed uses option nobreak \mdframedpackagename}%
           \def\md@reserved@a{\md@put@frame@standalone}%
        \fi%
     \fi%
     \if@minipage%
           \md@PackageInfo{mdframed inside minipage  ^^J
                           mdframed uses option nobreak \mdframedpackagename}%
           \def\md@reserved@a{\md@put@frame@standalone}%
     \fi%
     \ifinner%
          \md@PackageInfo{mdframed inside a box ^^J
                          mdframed uses option nobreak \mdframedpackagename}%
          \def\md@reserved@a{\md@put@frame@standalone}%
     \fi%
  \fi%
\md@reserved@a%
}
\newrobustcmd*\md@hidealllines@check{%
 \ifbool{mdf@hidealllines}{%
    \setbool{mdf@leftline}{false}%
    \setbool{mdf@rightline}{false}%
    \setbool{mdf@topline}{false}%
    \setbool{mdf@bottomline}{false}%
  }{}%
}
\newlength\mdfboundingboxwidth
\newlength\mdfboundingboxtotalwidth
\newlength\mdfboundingboxheight
\newlength\mdfboundingboxdepth
\newlength\mdfboundingboxtotalheight
\newlength\md@freevspace@length
\newlength\md@horizontalwidthofbox@length
\newlength\md@verticalmarginwhole@length
\providecommand*\ptTps{}
\newrobustcmd\mdfcreateextratikz{}
\def\mdframed{\@ifnextchar[\mdframed@i\mdframed@ii}%
\def\mdframed@ii{\mdframed@i[]}%
\def\mdframed@i[#1]{% default-Umgebung
\begingroup
%%Ueberlegung- wie es besser geht!!!! WICHTIG
   \mdfsetup{userdefinedwidth=\linewidth,#1}
   \md@hidealllines@check%
   \mdf@settings%
   \md@twoside@checklength%
   \let\width\z@%
   \let\height\z@%
   \setlength{\topsep}{\mdf@skipabove@length}%
   \begingroup%
   \let\partopsep\z@%
   \expandafter\endgroup%
   \begin{md@trivlist}\item\relax%
   \md@checkntheorem%
   \md@styledefinition%
   \md@footnoteinput%
   \md@horizontalmargin@equation%
   \begin{md@lrbox}{\@tempboxa}%
   }%
\def\endmdframed{%
    \ifmdf@footnoteinside%
      \def\md@reserveda{%
        \md@footnoteoutput%
        \end{md@lrbox}%
        \detected@md@put@frame}%
    \else%
      \def\md@reserveda{%
        \end{md@lrbox}%
        \detected@md@put@frame%
        \md@footnoteoutput%
        }%
    \fi%
    \md@reserveda%
    \end{md@trivlist}%
    \hrule \@height\z@ \@width\hsize
\endgroup\@endparenv%
}
\newtoggle{md:checktwoside}
\settoggle{md:checktwoside}{false}
\newrobustcmd*\md@twoside@checklength{%
 \if@twoside
   \ifboolexpr{ test {\ifdimequal{\mdf@outermargin@length}{-999pt}}
               and
               test {\ifdimequal{\mdf@innermargin@length}{-999pt}}
              }%
              {%
              \md@PackageInfo{You haven't set the outermargin/innermargin^^
                                 mdframed will use leftmargin/rightmargin}%
              \settoggle{md:checktwoside}{false}%
              }%
              {\settoggle{md:checktwoside}{true}}%
   \iftoggle{md:checktwoside}{%
      \ifdimequal{\mdf@outermargin@length}{-999pt}%
         {\setlength\mdf@rightmargin@length{\z@}}%
         {\setlength\mdf@rightmargin@length{\mdf@outermargin@length}}%
     \ifdimequal{\mdf@innermargin@length}{-999pt}%
         {\setlength\mdf@leftmargin@length{\z@}}%
         {\setlength\mdf@leftmargin@length{\mdf@innermargin@length}}%
   }{}%
 \fi%
}
\newcounter{md@zref@counter}%keine doppelten laebes
\zref@newprop*{md@pagevalue}[0]{\number\value{page}}
\zref@addprop{\ZREF@mainlist}{md@pagevalue}
\newrobustcmd*\md@zref@label{%
   \stepcounter{md@zref@counter}
   \zref@label{md@pagelabel-\number\value{md@zref@counter}}%
}
\newrobustcmd*\if@md@pageodd{%
     \zref@refused{md@pagelabel-\the\value{md@zref@counter}}%
     \ifodd\zref@extract{md@pagelabel-\the\value{md@zref@counter}}{md@pagevalue}%
         \edef\md@reserveda{\md@pageisodd}%
     \else
        \edef\md@reserveda{\md@pageiseven}%
     \fi
     \md@reserveda%
}
\newrobustcmd*\md@pageisodd{%
      \ifdimequal{\mdf@outermargin@length}{-999pt}%
         {\setlength\mdf@rightmargin@length{\z@}}%
         {\setlength\mdf@rightmargin@length{\mdf@outermargin@length}}%
     \ifdimequal{\mdf@innermargin@length}{-999pt}%
         {\setlength\mdf@leftmargin@length{\z@}}%
         {\setlength\mdf@leftmargin@length{\mdf@innermargin@length}}%
}
\newrobustcmd*\md@pageiseven{%
      \ifdimequal{\mdf@outermargin@length}{-999pt}%
         {\setlength\mdf@leftmargin@length{\z@}}%
         {\setlength\mdf@leftmargin@length{\mdf@outermargin@length}}%
     \ifdimequal{\mdf@innermargin@length}{-999pt}%
         {\setlength\mdf@rightmargin@length{\z@}}%
         {\setlength\mdf@rightmargin@length{\mdf@innermargin@length}}%
}
\newrobustcmd*\md@@setzref{\md@zref@label\if@md@pageodd}
\newrobustcmd*\md@freepagevspace{%
     \penalty\@M \vskip 2\baselineskip \vskip\height
     \penalty9999 \vskip -2\baselineskip \vskip-\height
     \penalty9999
     \ifdimequal{\pagegoal}{\maxdimen}%
          {\md@freevspace@length\vsize}%
          {\md@freevspace@length=\pagegoal\relax%
           \advance\md@freevspace@length by -\pagetotal\relax%
          }%
}
\newrobustcmd*\md@advancelength@orizontalmargin@add[1]{%
  \advance\md@horizontalspaceofbox by -\csname mdf@#1@length\endcsname\relax%
}
\newlength\md@horizontalspaceofbox
\newrobustcmd*\md@horizontalmargin@equation{%
    \setlength{\md@horizontalspaceofbox}{\mdf@userdefinedwidth@length}%
    \mdf@dolist{\md@advancelength@orizontalmargin@add}{%
             leftmargin,outerlinewidth,middlelinewidth,%
             innerlinewidth,innerleftmargin,innerrightmargin,%
             innerlinewidth,middlelinewidth,outerlinewidth,%
             rightmargin}%
    \notbool{mdf@leftline}{%
                \advance\md@horizontalspaceofbox by \mdf@innerlinewidth@length\relax%
                \advance\md@horizontalspaceofbox by \mdf@middlelinewidth@length\relax%
                \advance\md@horizontalspaceofbox by \mdf@outerlinewidth@length\relax%
           }{}%
    \notbool{mdf@rightline}{%
                \advance\md@horizontalspaceofbox by \mdf@innerlinewidth@length\relax%
                \advance\md@horizontalspaceofbox by \mdf@middlelinewidth@length\relax%
                \advance\md@horizontalspaceofbox by \mdf@outerlinewidth@length\relax%
           }{}%
    %%% Beruecksichtigung, dass Auszaehlung bzw. list-Umgebung enthalten
    \ifdimless{\md@horizontalspaceofbox}{3cm}%
              {\md@PackageWarning{You have only a width of 3cm}}{}
    \hsize=\md@horizontalspaceofbox%
}
\newrobustcmd*\md@keeplines@single{%
  \notbool{mdf@topline}{%
      \advance\md@verticalmarginwhole@length by -\mdf@middlelinewidth@length%
     }{}%
  \notbool{mdf@bottomline}{%
      \advance\md@verticalmarginwhole@length by -\mdf@middlelinewidth@length%
     }{}%
}
\newrobustcmd*\md@advancelength@verticalmarginwhole[1]{%
  \advance\md@verticalmarginwhole@length by \csname mdf@#1@length\endcsname\relax%
}
\newrobustcmd*\md@advancelength@freevspace@sub[1]{%
  \advance\dimen@ by -\csname mdf@#1@length\endcsname\relax%
}
\newrobustcmd*\md@advancelength@freevspace@add[1]{%
  \advance\dimen@ by \csname mdf@#1@length\endcsname\relax%
}
\protected@edef\md@reset{\boxmaxdepth\the\boxmaxdepth
                          \splittopskip\the\splittopskip}%
\newrobustcmd*\md@put@frame@standalone{\relax%
   \ifvoid\@tempboxa\relax
      \md@PackageWarning{The environment is empty\MessageBreak}%
      \let\md@reserved@a\relax%
   \else
      %Hier berechnung Box-Inhalt+Rahmen oben und unten
      \setlength{\md@verticalmarginwhole@length}%
                 {\dimexpr\ht\@tempboxa+\dp\@tempboxa\relax}%
      \mdf@dolist{\md@advancelength@verticalmarginwhole}{%
                  outerlinewidth,middlelinewidth,innerlinewidth,innertopmargin,
                  innerbottommargin,innerlinewidth,middlelinewidth,outerlinewidth}%
      \md@keeplines@single%
      \def\md@reserved@a{\md@putbox@single}%
   \fi
   \md@reserved@a%
}
\def\md@put@frame{\relax%
\ifvoid\@tempboxa\relax
\md@PackageWarning{The environment is empty\MessageBreak}%
\let\md@reserved@a\relax%
\else
  \md@print@space%
  \md@freepagevspace%
  \md@PackageInfoSpace{\the\md@freevspace@length before the beginning of ^^J
                       the environment ending on input line \MessageBreak}%
   \ifdimless{\md@freevspace@length}{2\baselineskip}
             {\md@PackageInfo{Not enough space on this page}
              \vfill\eject%
              \def\md@reserved@a{\md@put@frame}%
             }{%
               %Hier berechnung Box-Inhalt+Rahmen oben und unten
              \setlength{\md@verticalmarginwhole@length}%
                          {\dimexpr\ht\@tempboxa+\dp\@tempboxa\relax}%
              \mdf@dolist{\md@advancelength@verticalmarginwhole}{%
                     outerlinewidth,middlelinewidth,innerlinewidth,innertopmargin,
                     innerbottommargin,innerlinewidth,middlelinewidth,outerlinewidth}%
             \md@keeplines@single%
             \ifdimless{\md@verticalmarginwhole@length}{\md@freevspace@length}%
                {%passt auf Seite%
                  \begingroup
                   \iftoggle{md:checktwoside}{\md@@setzref}{}%
                    \md@putbox@single
                  \endgroup
                 \let\md@reserved@a\relax}%
                {\def\md@reserved@a{\md@put@frame@i}}%passt nicht auf Seite
             }%
\fi
\md@reserved@a%
}
\def\md@put@frame@i{%Box muss gesplittet werden -- Ausgabe der ersten Teilbox
      %Berechnung der Splittgroesse -- Linien und Abstand oben
      \md@freepagevspace%
      \dimen@=\the\md@freevspace@length%
      \dimen@i=\mdf@innertopmargin@length%
      \advance\dimen@i by \mdf@linewidth@length%
      \advance\dimen@i by 2\baselineskip%
      \ifdim\dimen@<\dimen@i\relax
           \hrule \@height\z@ \@width\hsize%
           \vfill\eject%
           \def\md@reserved@a{\md@put@frame}%
      \else%
      \mdf@dolist{\md@advancelength@freevspace@sub}{%
                outerlinewidth,middlelinewidth,innerlinewidth,%
                innertopmargin,splitbottomskip}%
      \ifbool{mdf@topline}{}{\advance\dimen@ by \mdf@middlelinewidth@length}%
      \ifdimless{\ht\@tempboxa+\dp\@tempboxa}{\dimen@}%
         {\md@PackageWarning{You got a bad break\MessageBreak
                             you have to change it manually\MessageBreak
                             by changing the text, the space\MessageBreak
                             or something else}%
          \advance\dimen@ by -1.8\baselineskip\relax%
         }{}%
         \advance\dimen@ by -1pt\relax%Box darf nicht zu Groß werden.
         \splitmaxdepth\z@ \splittopskip\mdf@splittopskip@length%
         \setbox\tw@\vsplit\@tempboxa to \dimen@
         \ifdimgreater{\ht\tw@+\dp\tw@}{\dimen@}{%Falsch gesplittet
            \md@PackageInfo{Box was splittet wrong\MessageBreak}%
             \dimen@i=\dimen@
              \advance\dimen@ by -\ht\tw@
              \advance\dimen@ by -\dp\tw@
              \advance\dimen@i by 0.5\dimen@
             \splittopskip\z@%
             \setbox\@tempboxa\vbox{\unvbox\tw@%
                                     %benoetigt um Tiefe zu haben
                                     \hrule \@height\dp\strutbox \@width\z@
                                     \unvbox\@tempboxa}
             \splittopskip\mdf@splittopskip@length%
             \setbox\tw@\vsplit\@tempboxa to \dimen@i
             }{}%
         \setbox\@tempboxa\vbox{\unvbox\@tempboxa}%PRUEFEN!!!!
         \ifvoid\@tempboxa
           \md@PackageWarning{You got a bad break\MessageBreak
                               because the splittet box is empty\MessageBreak
                               You have to change the page settings\MessageBreak
                               like enlargethispage or something else}%
           \setbox\@tempboxa\vbox{\box\tw@\box\@tempboxa}%
           \def\md@reserved@a{\md@put@frame}%
         \fi
         \ifvoid\tw@%%pruefe, ob erste Box leer ist
          \hrule \@height\z@ \@width\hsize
          \vfill\eject%
             \def\md@reserved@a{\md@put@frame}%
         \else
          \ifdimequal{\ht\tw@}{0pt}%
            {\hrule \@height\z@ \@width\hsize%
             \vfill\eject%
             \setbox\@tempboxa\vbox{\unvbox\tw@\unvbox\@tempboxa}
             \def\md@reserved@a{\md@put@frame}%
            }%
            {%
            \begingroup
               \iftoggle{md:checktwoside}{\md@@setzref}{}%
               \md@putbox@first%%%Groesse des Splittens passt
            \endgroup
            \hrule \@height\z@ \@width\hsize
            \vfill\eject%
            \def\md@reserved@a{\md@put@frame@ii}%
            }%
         \fi%
      \fi%
\md@reserved@a%
}
\def\md@put@frame@ii{%Ausgabe der mittleren Box(en) wenn vorhanden
  \setlength{\md@freevspace@length}{\vsize}%
  \setlength{\dimen@}{\dimexpr\ht\@tempboxa+\dp\@tempboxa\relax}%
  \mdf@dolist{\md@advancelength@freevspace@add}{%
                outerlinewidth,middlelinewidth,innerlinewidth,%
                innerbottommargin}%%%Addition der Linien unten
   \ifbool{mdf@bottomline}{}{\advance\dimen@ by -\mdf@middlelinewidth@length\relax}%
   \ifdimgreater{\dimen@}{\md@freevspace@length}%
    {%
        \advance\md@freevspace@length by -\mdf@splitbottomskip@length
        \splitmaxdepth\z@ \splittopskip\mdf@splittopskip@length%
        \setbox\tw@\vsplit\@tempboxa to \md@freevspace@length%
 %       \setbox\tw@\vbox{\unvbox\tw@}%PRUEFEN!!!
        \setbox\@tempboxa\vbox{\unvbox\@tempboxa}%PRUEFEN!!!!
        \ifvoid\@tempboxa\relax%
           \md@PackageWarning{You got a bad break\MessageBreak
                               because the split box is empty\MessageBreak
                               You have to change the settings}%
         \fi%
        \begingroup
           \iftoggle{md:checktwoside}{\md@@setzref}{}%
           \md@putbox@middle%
        \endgroup
        \hrule \@height\z@ \@width\hsize
        \vfill\eject
        \def\md@reserved@a{\md@put@frame@ii}%
     }%Hier die Ausgabe der mittleren Box
     {\ifvoid\@tempboxa
           \md@PackageWarning{You got a bad break\MessageBreak
                               because the last split box is empty\MessageBreak
                               You have to change the settings}%
      \fi%
      \begingroup
          \iftoggle{md:checktwoside}{\md@@setzref}{}%
          \md@putbox@second%
      \endgroup
      \let\md@reserved@a\relax%
     }%Hier kommt die Ausgabe der letzten Box
  \md@reserved@a%
}
\DisableKeyvalOption[action=warning,package=mdframed]{mdf}{framemethod}%
\DisableKeyvalOption[action=warning,package=mdframed]{mdf}{xcolor}%

 \endinput
%% 
%% ================================================================
%% Copyright (C) 2011 by Marco Daniel
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License (LPPL), either
%% version 1.3c of this license or (at your option) any later
%% version.  The latest version of this license is in the file:
%% 
%% http://www.latex-project.org/lppl.txt
%% 
%% This work is "maintained" (as per LPPL maintenance status) by
%% Marco Daniel.
%% 
%% Have fun!
%% 
%% ================================================================
%%
%% End of file `mdframed.sty'.