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%%
%% This is file `mleftright.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% mleftright.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: mleftright
%% Version: 2019/12/03 v1.2
%% 
%% Copyright (C)
%%    2010 Heiko Oberdiek
%%    2016-2019 Oberdiek Package Support Group
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    https://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% The Current Maintainers of this work are
%% Heiko Oberdiek and the Oberdiek Package Support Group
%% https://github.com/ho-tex/mleftright/issues
%% 
%% 
%% The Base Interpreter refers to any `TeX-Format',
%% because some files are installed in TDS:tex/generic//.
%% 
%% This work consists of the main source file mleftright.dtx
%% and the derived files
%%    mleftright.sty, mleftright.pdf, mleftright.ins, mleftright.drv,
%%    mleftright-test1.tex.
%% 
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode35=6 % #
  \catcode39=12 % '
  \catcode44=12 % ,
  \catcode45=12 % -
  \catcode46=12 % .
  \catcode58=12 % :
  \catcode64=11 % @
  \catcode123=1 % {
  \catcode125=2 % }
  \expandafter\let\expandafter\x\csname ver@mleftright.sty\endcsname
  \ifx\x\relax % plain-TeX, first loading
  \else
    \def\empty{}%
    \ifx\x\empty % LaTeX, first loading,
      % variable is initialized, but \ProvidesPackage not yet seen
    \else
      \expandafter\ifx\csname PackageInfo\endcsname\relax
        \def\x#1#2{%
          \immediate\write-1{Package #1 Info: #2.}%
        }%
      \else
        \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
      \fi
      \x{mleftright}{The package is already loaded}%
      \aftergroup\endinput
    \fi
  \fi
\endgroup%
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode35=6 % #
  \catcode39=12 % '
  \catcode40=12 % (
  \catcode41=12 % )
  \catcode44=12 % ,
  \catcode45=12 % -
  \catcode46=12 % .
  \catcode47=12 % /
  \catcode58=12 % :
  \catcode64=11 % @
  \catcode91=12 % [
  \catcode93=12 % ]
  \catcode123=1 % {
  \catcode125=2 % }
  \expandafter\ifx\csname ProvidesPackage\endcsname\relax
    \def\x#1#2#3[#4]{\endgroup
      \immediate\write-1{Package: #3 #4}%
      \xdef#1{#4}%
    }%
  \else
    \def\x#1#2[#3]{\endgroup
      #2[{#3}]%
      \ifx#1\@undefined
        \xdef#1{#3}%
      \fi
      \ifx#1\relax
        \xdef#1{#3}%
      \fi
    }%
  \fi
\expandafter\x\csname ver@mleftright.sty\endcsname
\ProvidesPackage{mleftright}%
  [2019/12/03 v1.2 Math left/right delim. as open/close (HO)]%
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode123=1 % {
  \catcode125=2 % }
  \catcode64=11 % @
  \def\x{\endgroup
    \expandafter\edef\csname mleftright@AtEnd\endcsname{%
      \endlinechar=\the\endlinechar\relax
      \catcode13=\the\catcode13\relax
      \catcode32=\the\catcode32\relax
      \catcode35=\the\catcode35\relax
      \catcode61=\the\catcode61\relax
      \catcode64=\the\catcode64\relax
      \catcode123=\the\catcode123\relax
      \catcode125=\the\catcode125\relax
    }%
  }%
\x\catcode61\catcode48\catcode32=10\relax%
\catcode13=5 % ^^M
\endlinechar=13 %
\catcode35=6 % #
\catcode64=11 % @
\catcode123=1 % {
\catcode125=2 % }
\def\TMP@EnsureCode#1#2{%
  \edef\mleftright@AtEnd{%
    \mleftright@AtEnd
    \catcode#1=\the\catcode#1\relax
  }%
  \catcode#1=#2\relax
}
\TMP@EnsureCode{38}{4}% &
\TMP@EnsureCode{39}{12}% '
\TMP@EnsureCode{40}{12}% (
\TMP@EnsureCode{41}{12}% )
\TMP@EnsureCode{42}{12}% *
\TMP@EnsureCode{43}{12}% +
\TMP@EnsureCode{44}{12}% ,
\TMP@EnsureCode{45}{12}% -
\TMP@EnsureCode{46}{12}% .
\TMP@EnsureCode{47}{12}% /
\TMP@EnsureCode{60}{12}% <
\TMP@EnsureCode{91}{12}% [
\TMP@EnsureCode{93}{12}% ]
\edef\mleftright@AtEnd{%
  \mleftright@AtEnd
  \escapechar\the\escapechar\relax
  \noexpand\endinput
}
\escapechar=92 %
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname RequirePackage\endcsname\relax
  \input infwarerr.sty\relax
  \input ltxcmds.sty\relax
\else
  \RequirePackage{infwarerr}[2010/04/08]%
  \RequirePackage{ltxcmds}[2010/04/26]%
\fi
\let\mleftright@OrgLeft\left
\let\mleftright@OrgRight\right
\ltx@IfUndefined{protected}{%
  \ltx@IfUndefined{DeclareRobustCommand}{%
    \def\mleftright@Def{\def}%
  }{%
    \def\mleftright@Def{\DeclareRobustCommand*}%
  }%
}{%
  \def\mleftright@Def{\protected\def}%
}
\edef\mleftright@Def#1{%
  \noexpand\ltx@IfUndefined{%
    \noexpand\expandafter\noexpand\ltx@gobble\noexpand\string#1%
  }{%
    \expandafter\noexpand\mleftright@Def#1%
  }{%
    \noexpand\@PackageError{mleftright}{%
      Command \noexpand\string#1 already defined%
    }\noexpand\@ehd
    \noexpand\ltx@gobble
  }%
}
\ltx@IfUndefined{currentgrouplevel}{%
  \catcode38=14 % & = comment
}{%
  \catcode38=9 % & = ignore
}
& \def\mleftright@GroupLevel{-1}%
& \def\mleftright@WrongGroup#1(#2){%
&   \ifnum\mleftright@GroupLevel<\ltx@zero
&     \@PackageError{mleftright}{%
&       Missing previous \string\mleft
&     }\@ehc
&   \else
&     \@PackageError{mleftright}{%
&       Unexpected group status for \string\mright%
&       \ifnum\mleftright@GroupLevel=#1 %
&       \else
&         .\MessageBreak
&         Group level is #1, %
&           expected is \mleftright@GroupLevel
&       \fi
&       \ifnum16=#2 %
&       \else
&         .\MessageBreak
&         Group type is #2 (%
&         \ifcase#2 %
&           bottom level%
&           \expandafter\expandafter\expandafter\ltx@gobblefour
&           \expandafter\ltx@gobbletwo
&         \or simple%
&         \or hbox%
&         \or adjusted hbox%
&         \or vbox%
&         \or vtop%
&         \or align%
&         \or no align%
&         \or output%
&         \or math%
&         \or disc%
&         \or insert%
&         \or vcenter%
&         \or math choice%
&         \or semi simple%
&         \or math shift%
&         \or math left%
&         \else
&           unknown%
&         \fi
&         \space group),\MessageBreak
&         expected is 16 (math left group)%
&       \fi
&     }\@ehd
&   \fi
& }%
\mleftright@Def\mleft{%
  \mathopen{}\mathclose\bgroup
& \edef\mleftright@GroupLevel{\the\numexpr\the\currentgrouplevel+1}%
  \mleftright@OrgLeft
}
\mleftright@Def\mright{%
& \ifnum\mleftright@GroupLevel=\currentgrouplevel
&   \ifnum16=\currentgrouptype
      \aftergroup\egroup
&   \else
&     \expandafter\mleftright@WrongGroup
&     \the\expandafter\currentgrouplevel
&     \expandafter(\the\currentgrouptype)%
&   \fi
& \else
&   \expandafter\mleftright@WrongGroup
&   \the\expandafter\currentgrouplevel
&   \expandafter(\the\currentgrouptype)%
& \fi
  \mleftright@OrgRight
}
\mleftright@Def\mleftright{%
  \let\left\mleft
  \let\right\mright
}
\mleftright@Def\mleftrightrestore{%
  \ifx\left\mleft
    \let\left\mleftright@OrgLeft
  \fi
  \ifx\right\mright
    \let\right\mleftright@OrgRight
  \fi
}
\mleftright@AtEnd%
%% \section{Installation}
\endinput
%%
%% End of file `mleftright.sty'.