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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.
+%% 
+%% Copyright (C) 2010 by
+%%    Heiko Oberdiek <heiko.oberdiek at googlemail.com>
+%% 
+%% 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
+%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
+%% and the latest version of this license is in
+%%    http://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".
+%% 
+%% This Current Maintainer of this work is Heiko Oberdiek.
+%% 
+%% 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}%
+  [2010/09/25 v1.0 Usual delimiter spacing with left and right (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%
+\endinput
+%%
+%% End of file `mleftright.sty'.