mdwtools

git-svn-id: svn://tug.org/texlive/trunk@1080 c570f23f-e606-0410-a88d-b1316a301751

12 files changed, 3726 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/mdwtools/at.sty b/Master/texmf-dist/tex/latex/mdwtools/at.sty
new file mode 100644
index 00000000000..8824a61edad
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/at.sty
@@ -0,0 +1,203 @@
+%%
+%% This is file `at.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% at.dtx  (with options: `package')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% at package -- support for `@' commands'
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{at}
+                [1996/05/02 1.3 @-command support (MDW)]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\def\atallowdigits{\let\ifat@digits\iftrue}
+\def\atdisallowdigits{\let\ifat@digits\iffalse}
+\DeclareOption{digits}{\atallowdigits}
+\DeclareOption{nodigits}{\atdisallowdigits}
+\ExecuteOptions{nodigits}
+\ProcessOptions
+\begingroup
+\catcode`\<1
+\catcode`\>2
+\catcode`\{12
+\catcode`\}12
+\gdef\at@lb<{>
+\gdef\at@rb<}>
+\gdef\at@spc< >
+\endgroup
+\def\at@test#1\then{%
+  #1\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi%
+}
+\def\at@ifcat#1{\at@test\ifcat#1\noexpand\@let@token\then}
+\def\at@ifletter#1#2{%
+  \at@ifcat x%
+    {\at@ifletter@ii{#1}}%
+    {\at@ifcat 0%
+      {\at@ifletter@i{#1}{#2}}%
+      {#2}%
+    }%
+}
+\def\at@ifletter@i#1#2#3{%
+  \at@test\if%
+    \ifat@digits1\else0\fi%
+    \ifnum`#3<`0x\else\ifnum`#3>`9x\else1\fi\fi%
+  \then%
+    {\at@ifletter@ii{#1}{#3}}%
+    {#2#3}%
+}
+\def\at@ifletter@ii#1#2{\toks@\expandafter{\the\toks@#2}#1}
+\def\at@read@name#1{%
+  \let\at@next=#1%
+  \toks@{}%
+  \futurelet\@let@token\at@rn@i%
+}
+\def\at@rn@i{%
+  \def\@tempa{\afterassignment\at@rn@iv\let\@let@token= }%
+  \at@ifletter%
+    {\futurelet\@let@token\at@rn@iii}%
+    {\at@ifcat\bgroup%
+      {\toks@\expandafter{\at@lb}\@tempa}%
+      {\at@ifcat\egroup%
+        {\toks@\expandafter{\at@rb}\@tempa}%
+        {\at@ifcat\at@spc%
+          {\toks@{ }\@tempa}%
+          {\at@rn@ii}%
+        }%
+      }%
+    }%
+}
+\def\at@rn@ii#1{%
+  \toks@\expandafter{\string#1}%
+  \at@rn@iv%
+}
+\def\at@rn@iii{%
+  \at@ifletter%
+    {\futurelet\@let@token\at@rn@iii}%
+    {\@ifnextchar.\at@rn@iv\at@rn@iv}%
+}
+\def\at@rn@iv{%
+  \let\@let@token\relax%
+  \expandafter\at@next\csname at.\the\toks@\endcsname%
+}
+\def\at@cmdname#1{\expandafter\at@cmdname@i\string#1\@@foo}
+\def\at@cmdname@i#1.#2\@@foo{#2}
+\def\at@decode#1{%
+  \at@test\ifx#1\relax\then{%
+    \PackageError{at}{Unknown @-command `@\at@cmdname#1'}{%
+      The @-command you typed wasn't recognised, so I've ignored it.
+    }%
+  }{%
+    #1%
+  }%
+}
+\def\@at{%
+  \def\@tempa{\at@read@name\at@decode}%
+  \ifmmode\ifx\Iat\not@@defined\else%
+    \let\@tempa\Iat%
+  \fi\fi%
+  \@tempa%
+}
+\def\at@buildcmd#1#2{%
+  \expandafter\def\csname\expandafter
+    \@gobble\string#1@decode\endcsname##1{#2##1}%
+  \edef#1{%
+    \noexpand\at@read@name%
+    \expandafter\noexpand%
+      \csname\expandafter\@gobble\string#1@decode\endcsname%
+  }%
+}
+\at@buildcmd\newatcommand\newcommand
+\at@buildcmd\renewatcommand\renewcommand
+\at@buildcmd\provideatcommand\providecommand
+\at@buildcmd\atdef\def
+\at@buildcmd\atshow\show
+\def\atlet{%
+  \begingroup%
+  \@makeother\@%
+  \at@read@name\atlet@i%
+}
+\def\atlet@i#1{%
+  \def\at@temp{#1}%
+  \@ifnextchar=\atlet@ii{\atlet@ii=}%
+}
+\def\atlet@ii#1{\afterassignment\atlet@iii\global\let\at@gnext=}
+\def\atlet@iii{%
+  \if @\noexpand\at@gnext%
+    \expandafter\at@read@name\expandafter\atlet@iv%
+  \else%
+    \expandafter\endgroup%
+    \expandafter\let\at@temp= \at@gnext%
+  \fi%
+}
+\def\atlet@iv#1{%
+  \expandafter\endgroup%
+  \expandafter\let\at@temp=#1%
+}
+\def\at{\ifx\protect\@typeset@protect\else\at@protect\fi\@at}
+\def\at@protect\fi#1{%
+  \fi%
+  \ifx\protect\string%
+    \expandafter\at@protect@string%
+  \else%
+    \expandafter\at@protect@noexpand%
+  \fi%
+}
+\def\at@protect@string{@\string}
+\def\at@protect@noexpand{\noexpand\@at@ @\noexpand}
+\def\@at@#1{\at}
+\def\aton{%
+  \ifnum\catcode`\@=\active\else%
+    \edef\atoff{\catcode`\noexpand\@\the\catcode`\@}%
+    \catcode`\@\active%
+    \lccode`\~`\@%
+    \lowercase{\let~\at}%
+  \fi%
+}
+\def\atoff{\catcode`\@12}
+\let\makeatother\aton
+\AtBeginDocument{\aton}
+\expandafter\def\expandafter\dospecials\expandafter{\dospecials\do\@}
+\expandafter\def\expandafter\@sanitize\expandafter{%
+  \@sanitize\@makeother\@}
+\expandafter\chardef\csname at.@\endcsname=`\@
+\atdef*#1*{\ifmmode\mathbf{#1}\else\textbf{#1}\fi}
+\atdef/#1/{\ifmmode\mathit{#1}\else\emph{#1}\fi}
+\atlet i=\index
+\atdef I#1{#1\index{#1}}
+\endinput
+%%
+%% End of file `at.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/cmtt.sty b/Master/texmf-dist/tex/latex/mdwtools/cmtt.sty
new file mode 100644
index 00000000000..54fdfb37a99
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/cmtt.sty
@@ -0,0 +1,99 @@
+%%
+%% This is file `cmtt.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% cmtt.dtx  (with options: `sty')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwlist package -- various list-related things
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{cmtt}
+         [1996/05/25 1.1 Handing of the cmtt font]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\newif\ifcmtt@override
+\newif\ifcmtt@dcfonts
+\def\@tempa{T1}\ifx\encodingdefault\@tempa
+  \cmtt@dcfontstrue
+\fi
+\DeclareOption{override}{\cmtt@overridetrue}
+\DeclareOption{t1}{\cmtt@dcfontstrue}
+\DeclareOption{ot1}{\cmtt@dcfontsfalse}
+\ProcessOptions
+\DeclareFontEncoding{mTT}{}{}
+\DeclareFontSubstitution{mTT}{cmtt}{m}{n}
+\input{mTTenc.def}
+\DeclareRobustCommand{\mttfamily}{%
+  \fontencoding{mTT}\fontfamily{\ttdefault}\selectfont%
+}
+\DeclareTextFontCommand{\textmtt}{\mttfamily}
+\ifcmtt@override
+  \let\ttfamily\mttfamily
+\fi
+\def\mtt@setchar#1#2{%
+  \ifx#1#2\chardef#1`#1\else\let#1#2\fi%
+  \ifnum\catcode`#1=13%
+    \begingroup%
+      \lccode`\~=`#1%
+    \lowercase{\endgroup\let~#1}%
+  \fi%
+}
+\def\mtt@chars{%
+  \do\#\#%
+  \do\%\%%
+  \do\&\&%
+  \do\^\^%
+  \do\~\~%
+  \do\'\textquotesingl%
+  \do\"\textquotedbl%
+  \do\|\textbar%
+  \do\$\textdollar%
+  \do\_\textunderscore%
+  \do\{\textbraceleft%
+  \do\}\textbraceright%
+  \do\\\textbackslash%
+  \do\ \textvisiblespace%
+}
+\def\mtt@do{\let\do\mtt@setchar\mtt@chars}
+\DeclareRobustCommand\mtt[1]{\textmtt{\mtt@do#1}}
+\def\@tabacckludge#1{%
+  \expandafter\@changed@cmd\csname\string#1\endcsname\relax%
+}
+\let\a\@tabacckludge
+\let\nbsp\nobreakspace
+\endinput
+%%
+%% End of file `cmtt.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/doafter.sty b/Master/texmf-dist/tex/latex/mdwtools/doafter.sty
new file mode 100644
index 00000000000..ac7e392d6ef
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/doafter.sty
@@ -0,0 +1,114 @@
+%%
+%% This is file `doafter.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% doafter.dtx  (with options: `package,latex2e')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% doafter package -- insert a token really after a group
+%% Copyright (c) 1996 Peter Schmitt and Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{doafter}
+                [1996/05/08 1.2 Aftergroup hacking (PS/MDW)]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\let\@@aftergroup\aftergroup
+\def\doafter#1{%
+  \def\@tempa{\@@aftergroup#1}%
+  \afterassignment\doafter@i\let\@let@token%
+}
+\def\doafter@i{%
+  \@let@token%
+  \let\aftergroup\@my@aftergroup%
+  \@@aftergroup\@prepare@after\@tempa%
+}
+\def\ag@cnt@local{0 }
+\let\ag@cnt@global\ag@cnt@local
+\def\@my@aftergroup{%
+  \begingroup%
+    \count@\ag@cnt@local%
+    \advance\count@\@ne%
+    \xdef\ag@cnt@global{\the\count@\space}%
+  \endgroup%
+  \let\ag@cnt@local\ag@cnt@global%
+  \@@aftergroup\@after@token\@@aftergroup%
+}
+\def\@after@token{%
+  \@start@after@group%
+  \@after@token%
+}
+\def\@start@after@group{%
+  \begingroup%
+  \count@\ag@cnt@global%
+  \clubpenalty\ag@cnt@local%
+  \let\@after@token\@after@token@i%
+}
+\def\@after@token@i{%
+  \advance\count@\m@ne%
+  \ifnum\count@=\clubpenalty%
+    \global\let\ag@cnt@global\ag@cnt@local%
+    \expandafter\@after@aftertoken\expandafter\@after@all%
+  \else%
+    \expandafter\@@aftergroup%
+  \fi%
+}
+\let\@after@all\endgroup
+\def\@prepare@after{%
+  \ifx\ag@cnt@local\ag@cnt@global\else%
+    \expandafter\@prepare@after@i%
+  \fi%
+}
+\def\@prepare@after@i#1{%
+  \@start@after@group%
+  \def\@after@all{\@@aftergroup#1\endgroup}%
+}
+\def\@after@aftertoken#1{%
+  \let\bgroup\relax\let\egroup\relax%
+  \toks@{#1}%
+  \futurelet\@let@token\@after@aftertoken@i%
+}
+\def\@after@aftertoken@i{%
+  \ifcat\noexpand\@let@token{%
+    \@@aftergroup{%
+  \else\ifcat\noexpand\@let@token}%
+    \@@aftergroup}%
+  \else%
+    \def\@tempa##1{\@@aftergroup##1\the\toks@}%
+    \expandafter\expandafter\expandafter\@tempa%
+  \fi\fi%
+}
+\endinput
+%%
+%% End of file `doafter.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/footnote.sty b/Master/texmf-dist/tex/latex/mdwtools/footnote.sty
new file mode 100644
index 00000000000..c35317dca07
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/footnote.sty
@@ -0,0 +1,200 @@
+%%
+%% This is file `footnote.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% footnote.dtx  (with options: `package')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% footnote package -- Save footnotes around boxing environments
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{footnote}
+                [1997/01/28 1.13 Save footnotes around boxes]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\ifx\fn@notes\@@undefined%
+  \newbox\fn@notes%
+\fi
+\newdimen\fn@width
+\let\fn@colwidth\columnwidth
+\newif\if@savingnotes
+\def\fn@startnote{%
+  \hsize\fn@colwidth%
+  \interlinepenalty\interfootnotelinepenalty%
+  \reset@font\footnotesize%
+  \floatingpenalty\@MM% Is this right???
+  \@parboxrestore%
+  \protected@edef\@currentlabel{\csname p@\@mpfn\endcsname\@thefnmark}%
+  \color@begingroup%
+}
+\let\fn@endnote\color@endgroup
+\def\fn@fntext#1{%
+  \ifx\ifmeasuring@\@@undefined%
+    \expandafter\@secondoftwo\else\expandafter\@iden%
+  \fi%
+  {\ifmeasuring@\expandafter\@gobble\else\expandafter\@iden\fi}%
+  {%
+    \global\setbox\fn@notes\vbox{%
+      \unvbox\fn@notes%
+      \fn@startnote%
+      \@makefntext{%
+        \rule\z@\footnotesep%
+        \ignorespaces%
+        #1%
+        \@finalstrut\strutbox%
+      }%
+      \fn@endnote%
+    }%
+  }%
+}
+\def\savenotes{%
+  \begingroup%
+  \if@savingnotes\else%
+    \@savingnotestrue%
+    \let\@footnotetext\fn@fntext%
+    \let\@mpfootnotetext\fn@fntext%
+    \fn@width\columnwidth%
+    \let\fn@colwidth\fn@width%
+    \global\setbox\fn@notes\box\voidb@x%
+    \let\fn@thempfn\thempfn%
+    \let\fn@mpfn\@mpfn%
+    \ifx\@minipagerestore\relax\let\@minipagerestore\@empty\fi%
+    \expandafter\def\expandafter\@minipagerestore\expandafter{%
+      \@minipagerestore%
+      \let\thempfn\fn@thempfn%
+      \let\@mpfn\fn@mpfn%
+    }%
+  \fi%
+}
+\def\spewnotes{%
+  \endgroup%
+  \if@savingnotes\else\ifvoid\fn@notes\else\begingroup%
+    \let\@makefntext\@empty%
+    \let\@finalstrut\@gobble%
+    \let\rule\@gobbletwo%
+    \@footnotetext{\unvbox\fn@notes}%
+  \endgroup\fi\fi%
+}
+\let\endsavenotes\spewnotes
+\def\fn@getmark#1#2{%
+  \begingroup%
+  \@ifnextchar[%
+    {\fn@getmark@i{#1}}%
+    {#1\fn@getmark@ii{#2}}%
+}
+\def\fn@getmark@i#1[#2]{%
+  \csname c@\@mpfn\endcsname#2%
+  \fn@getmark@ii%
+}
+\def\fn@getmark@ii#1{%
+  \unrestored@protected@xdef\@thefnmark{\thempfn}%
+  \endgroup%
+  #1%
+}
+\def\fn@startfntext{%
+  \setbox\z@\vbox\bgroup%
+    \fn@startnote%
+    \fn@prefntext%
+    \rule\z@\footnotesep%
+    \ignorespaces%
+}
+\def\fn@endfntext{%
+    \@finalstrut\strutbox%
+    \fn@postfntext%
+  \egroup%
+  \begingroup%
+    \let\@makefntext\@empty%
+    \let\@finalstrut\@gobble%
+    \let\rule\@gobbletwo%
+    \@footnotetext{\unvbox\z@}%
+  \endgroup%
+}
+\let\fn@latex@@footnote\footnote
+\def\fn@footnote{footnote}
+\def\footnote{%
+  \ifx\@currenvir\fn@footnote%
+    \expandafter\@firstoftwo%
+  \else%
+    \expandafter\@secondoftwo%
+  \fi%
+  {\fn@getmark{\stepcounter\@mpfn}%
+              {\leavevmode\unskip\@footnotemark\fn@startfntext}}%
+  {\fn@latex@@footnote}%
+}
+\let\endfootnote\fn@endfntext
+\def\fn@footnotetext{footnotetext}
+\let\fn@latex@@footnotetext\footnotetext
+\def\footnotetext{%
+  \ifx\@currenvir\fn@footnotetext%
+    \expandafter\@firstoftwo%
+  \else%
+    \expandafter\@secondoftwo%
+  \fi%
+  {\fn@getmark{}\fn@startfntext}%
+  {\fn@latex@@footnotetext}%
+}
+\let\endfootnotetext\endfootnote
+\long\def\@tempa#1\@@#2\@@@{\def\fn@prefntext{#1}\def\fn@postfntext{#2}}
+\expandafter\@tempa\@makefntext\@@\@@@
+\def\makesavenoteenv{\@ifnextchar[\fn@msne@ii\fn@msne@i}
+\def\fn@msne@i#1{%
+  \expandafter\let\csname msne$#1\expandafter\endcsname%
+                  \csname #1\endcsname%
+  \expandafter\let\csname endmsne$#1\expandafter\endcsname%
+                  \csname end#1\endcsname%
+  \fn@msne@ii[#1]{msne$#1}%
+}
+\def\fn@msne@ii[#1]#2{%
+  \expandafter\edef\csname#1\endcsname{%
+    \noexpand\savenotes%
+    \expandafter\noexpand\csname#2\endcsname%
+  }%
+  \expandafter\edef\csname end#1\endcsname{%
+    \expandafter\noexpand\csname end#2\endcsname%
+    \noexpand\expandafter%
+    \noexpand\spewnotes%
+    \noexpand\if@endpe\noexpand\@endpetrue\noexpand\fi%
+  }%
+}
+\makesavenoteenv[minipage*]{minipage}
+\let\fn@parbox\parbox
+\def\parbox{\@ifnextchar[{\fn@parbox@i{}}{\fn@parbox@ii{}}}
+\def\fn@parbox@i#1[#2]{%
+  \@ifnextchar[{\fn@parbox@i{#1[#2]}}{\fn@parbox@ii{#1[#2]}}%
+}
+\long\def\fn@parbox@ii#1#2#3{\savenotes\fn@parbox#1{#2}{#3}\spewnotes}
+\endinput
+%%
+%% End of file `footnote.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/mTTcmtt.fd b/Master/texmf-dist/tex/latex/mdwtools/mTTcmtt.fd
new file mode 100644
index 00000000000..b662ffbb822
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/mTTcmtt.fd
@@ -0,0 +1,71 @@
+%%
+%% This is file `mTTcmtt.fd',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% cmtt.dtx  (with options: `fd')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwlist package -- various list-related things
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\ProvidesFile{mTTcmtt.fd}
+         [1996/05/25 1.1 Handing of the cmtt font]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\DeclareFontFamily{mTT}{cmtt}{\hyphenchar\font\m@ne}
+\DeclareFontShape{mTT}{cmtt}{m}{n}{
+  <5> <6> <7> <8> cmtt8
+  <9> cmtt9
+  <10> <10.95> cmtt10
+  <12> <14.4> <17.28> <20.74> <24.88> cmtt12
+}{}
+\DeclareFontShape{mTT}{cmtt}{m}{it}{
+  <5> <6> <7> <8> <9> <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88>
+  cmitt10
+}{}
+\DeclareFontShape{mTT}{cmtt}{m}{sl}{
+  <5> <6> <7> <8> <9> <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88>
+  cmsltt10
+}{}
+\DeclareFontShape{mTT}{cmtt}{m}{sc}{
+  <5> <6> <7> <8> <9> <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88>
+  cmtcsc10
+}{}
+\DeclareFontShape{mTT}{cmtt}{m}{ui}  {<->sub * cmtt/m/it} {}
+\DeclareFontShape{mTT}{cmtt}{bx}{n}  {<->sub * cmtt/m/n}  {}
+\DeclareFontShape{mTT}{cmtt}{bx}{it} {<->sub * cmtt/m/it} {}
+\DeclareFontShape{mTT}{cmtt}{bx}{ui} {<->sub * cmtt/m/it} {}
+\endinput
+%%
+%% End of file `mTTcmtt.fd'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/mTTenc.def b/Master/texmf-dist/tex/latex/mdwtools/mTTenc.def
new file mode 100644
index 00000000000..c9a36a833c9
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/mTTenc.def
@@ -0,0 +1,70 @@
+%%
+%% This is file `mTTenc.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% cmtt.dtx  (with options: `def')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwlist package -- various list-related things
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\ProvidesFile{mTTcmtt.def}
+         [1996/05/25 1.1 Handing of the cmtt font]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\def\cmtt@accent#1#2{{%
+  \let\@old@font\font@name%
+  \ifcmtt@dcfonts%
+    \fontencoding{T1}\selectfont%
+  \else%
+    \usefont{OT1}{cmr}{bx}{n}%
+  \fi%
+  #1{\@old@font#2}%
+}}
+\DeclareTextCommand{\H}{mTT}{\cmtt@accent\H}
+\DeclareTextCommand{\.}{mTT}{\cmtt@accent\.}
+\DeclareTextSymbol{\textbackslash}{mTT}{92}
+\DeclareTextSymbol{\textbar}{mTT}{124}
+\DeclareTextSymbol{\textbraceleft}{mTT}{123}
+\DeclareTextSymbol{\textbraceright}{mTT}{125}
+\DeclareTextSymbol{\textless}{mTT}{60}
+\DeclareTextSymbol{\textgreater}{mTT}{62}
+\DeclareTextSymbol{\textunderscore}{mTT}{95}
+\DeclareTextSymbol{\textvisiblespace}{mTT}{32}
+\DeclareTextCommand{\textellipsis}{mTT}{...}
+\DeclareTextSymbol{\textquotedbl}{mTT}{34}
+\DeclareTextSymbol{\textquotesingl}{mTT}{13}
+\endinput
+%%
+%% End of file `mTTenc.def'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/mathenv.sty b/Master/texmf-dist/tex/latex/mdwtools/mathenv.sty
new file mode 100644
index 00000000000..469dadc0179
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/mathenv.sty
@@ -0,0 +1,449 @@
+%%
+%% This is file `mathenv.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% mdwtab.dtx  (with options: `mathenv')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwtab package -- another rewrite of the tabular environment, etc.
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{mathenv}
+                [1998/04/28 1.9 Various maths environments]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+%%
+\newif\if@fleqn
+\newif\if@leqno
+\DeclareOption{fleqn}{\@fleqntrue}
+\DeclareOption{leqno}{\@leqnotrue}
+\ProcessOptions
+\RequirePackage{mdwtab}
+\newif\if@eqalast
+\newskip\eqaopenskip
+\newskip\eqacloseskip
+\newskip\eqacolskip
+\newskip\eqainskip
+\newskip\splitleft
+\newskip\splitright
+\AtBeginDocument{%
+  \eqacloseskip\@centering%
+  \eqacolskip1.5em\@plus\@m\p@
+  \eqainskip\z@%
+  \if@fleqn%
+    \eqaopenskip\mathindent%
+    \splitleft\mathindent\relax%
+    \splitright\mathindent\@minus\mathindent\relax%
+  \else%
+    \eqaopenskip\@centering%
+    \splitleft2.5em\@minus2.5em%
+    \splitright\splitleft%
+  \fi%
+  \relax%
+}
+\def\dsp@startouter{%
+  \let\dsp@end\dsp@endouter%
+  $$%
+}
+\def\dsp@endouter{$$}
+\def\dsp@startinner{%
+  \let\dsp@end\dsp@endinner%
+  \if@fleqn\kern-\mathindent\fi%
+  \if@leqno\vtop\else\vtop\fi\bgroup%
+}
+\def\dsp@endinner{\egroup}
+\def\dsp@start{%
+  \ifmmode%
+    \ifinner\mth@err@mdsp\fi%
+    \expandafter\dsp@startinner%
+  \else%
+    \ifhmode\ifinner\mth@err@hdsp\fi\fi%
+    \expandafter\dsp@startouter%
+  \fi%
+}
+\def\dsp@tabpause{%
+  \def\tab@startpause%
+    {\penalty\postdisplaypenalty\vskip\belowdisplayskip}%
+  \def\tab@endpause%
+    {\penalty\predisplaypenalty\vskip\abovedisplayskip}%
+}
+\let\eqastyle\displaystyle
+\def\eqnarray{%
+  \eqnarray@i\eqa@eqcount%
+}
+\@namedef{eqnarray*}{\eqnarray@i{}}
+\def\eqnarray@i#1{\@ifnextchar[{\eqnarray@ii{#1}}{\eqnarray@ii{#1}[rcl]}}
+\def\eqnarray@ii#1[#2]{%
+  \stepcounter{equation}%
+  \def\@currentlabel{\p@equation\theequation}%
+  \let\eqa@oldnumber\eqa@number%
+  \def\eqa@defnumber{#1}%
+  \global\let\eqa@number\eqa@defnumber%
+  \@eqalastfalse%
+  \m@th%
+  \colset{eqnarray}%
+  \tab@initread%
+  \def\tab@tabtext{&\tabskip\z@skip}%
+  \tab@preamble{\tabskip\z@skip}%
+  \tab@readpreamble{#2@{\tabskip\eqacloseskip}}%
+  \dsp@tabpause%
+  \col@sep.5\eqainskip%
+  \everycr{}%
+  \let\\\@eqncr%
+  \dsp@start%
+  \tabskip\eqaopenskip%
+  \halign to\displaywidth\expandafter\bgroup%
+    \the\tab@preamble%
+    &&\eqa@lastcol\hb@xt@\z@{\hss##}\tabskip\z@\cr%
+}
+\def\endeqnarray{%
+  \eqa@eqnum%
+  \egroup%
+  \dsp@end%
+  \global\let\eqa@number\eqa@oldnumber%
+  \global\@ignoretrue%
+  \global\advance\c@equation\m@ne%
+}
+\expandafter\let\csname endeqnarray*\endcsname\endeqnarray
+\colpush{eqnarray}
+\coldef r{\tabcoltype{\hfil$\eqastyle}{{}$}}
+\coldef c{\tabcoltype{\hfil$\eqastyle{}}{{}$\hfil}}
+\coldef l{\tabcoltype{$\eqastyle{}}{$\hfil}}
+\coldef x{\tabcoltype{\if@fleqn\else\hfil\fi$\eqastyle}{$\hfil}}
+\collet T [tabular]T
+\coldef L{\tabcoltype{\hb@xt@2em\bgroup$\eqastyle}{$\hss\egroup}}
+\coldef :{\tabspctype{\tabskip\eqacolskip}}
+\coldef q{\tabspctype{\quad}}
+\collet > [tabular]>
+\collet < [tabular]<
+\collet * [tabular]*
+\collet @ [tabular]@
+\colpop
+\def\@eqncr{\tab@cr\eqacr@i\interdisplaylinepenalty\@M}%
+\def\eqacr@i#1#2{%
+  \eqa@eqnum%
+  \noalign{\penalty#2\vskip\jot\vskip#1}%
+}
+\if@leqno
+  \def\eqa@eqpos#1{%
+    \hb@xt@.01\p@{}\rlap{\normalfont\normalcolor\hskip-\displaywidth#1}%
+  }
+\else
+  \def\eqa@eqpos#1{\normalfont\normalcolor#1}
+\fi
+\def\eqa@eqnum{%
+  \global\let\eqa@lastcol\@eqalasttrue%
+  \eqa@eqnum@i%
+}
+\def\eqa@eqnum@i{%
+  \relax%
+  \if@eqalast%
+    \expandafter\eqa@eqnum@ii%
+  \else%
+    \expandafter\eqa@eqnum@iii%
+  \fi%
+}
+\def\eqa@eqnum@ii{%
+  \eqa@eqpos\eqa@number%
+  \global\let\eqa@number\eqa@defnumber%
+  \global\let\eqa@lastcol\eqa@@lastcol%
+  \cr%
+}
+\def\eqa@eqnum@iii{&\eqa@eqnum@i}
+\def\eqa@@lastcol{\mth@err@number\setbox\z@}
+\let\eqa@lastcol\eqa@@lastcol
+\newcommand\eqnumber[1][\eqa@eqcount]{\gdef\eqa@number{#1}}
+\def\eqa@eqcount{(\theequation)\global\advance\c@equation\@ne}
+\def\nonumber{\global\let\eqa@number\@empty}
+\def\eqnalign{\@ifnextchar[\eqnalign@i{\eqnalign@i[rcl]}}
+\def\eqnalign@i[#1]{%
+  \@ifnextchar[{\eqnalign@ii{#1}}{\eqnalign@ii{#1}[c]}%
+}
+\def\eqnalign@ii#1[#2]{%
+  \let\\\eqn@cr%
+  \colset{eqnarray}%
+  \tab@initread%
+  \def\tab@tabtext{&\tabskip\z@skip}%
+  \tabskip\z@skip%
+  \col@sep.5\eqainskip%
+  \tab@readpreamble{#1}%
+  \everycr{}%
+  \if#2t\vtop\else%
+    \if#2b\vbox\else%
+      \vcenter%
+    \fi%
+  \fi%
+  \bgroup%
+  \halign\expandafter\bgroup\the\tab@preamble\cr%
+}
+\def\endeqnalign{%
+  \crcr%
+  \egroup%
+  \egroup%
+}
+\def\eqn@cr{\tab@cr\eqn@cr@i{}{}}
+\def\eqn@cr@i#1{\cr\noalign{\vskip\jot\vskip#1}\@gobble}
+\def\eqlines{\eqnarray[x]}
+\let\endeqlines\endeqnarray
+\expandafter\edef\csname eqlines*\endcsname{%
+  \expandafter\noexpand\csname eqnarray*\endcsname[x]%
+}
+\expandafter\let\csname endeqlines*\expandafter\endcsname
+                \csname endeqnarray*\endcsname
+\def\spliteqn{%
+  \let\eqa@oldnumber\eqa@number%
+  \global\let\eqa@number\eqa@eqcount%
+  \spliteqn@i%
+}
+\@namedef{spliteqn*}{%
+  \let\eqa@oldnumber\eqa@number%
+  \gdef\eqa@number{}%
+  \spliteqn@i%
+}
+\def\endspliteqn{%
+  \hfilneg\seq@lastcr%
+  \egroup%
+  \dsp@end%
+  \global\let\eqa@number\eqa@oldnumber%
+  \global\advance\c@equation\m@ne%
+}
+\expandafter\let\csname endspliteqn*\endcsname\endspliteqn
+\def\spliteqn@i{%
+  \stepcounter{equation}%
+  \def\@currentlabel{\p@equation\theequation}%
+  \if@leqno%
+    \global\let\seq@docr\seq@eqnocr%
+  \else%
+    \global\let\seq@docr\seq@cr%
+  \fi%
+  \global\let\seq@lastcr\seq@eqnocr%
+  \dsp@start%
+  \dsp@tabpause%
+  \def\\{\seq@docr}%
+  \seq@dosplit%
+    {\hb@xt@\displaywidth{%
+      \hskip\splitleft\hfil$\displaystyle##$%
+      \hfil\hskip\splitright}}%
+    {\hfilneg}%
+}
+\def\subsplit{%
+  \let\\\seq@cr%
+  \vcenter\bgroup%
+  \seq@dosplit{\hfil\qquad$##$\qquad\hfil}{\hfilneg\hskip-2em}%
+}
+\def\endsubsplit{%
+  \hfilneg\hskip-2em\cr%
+  \egroup\egroup%
+}
+\def\seq@dosplit#1#2{%
+  \halign\bgroup%
+    #1&&\mth@err@number\setbox\z@\hbox{##}\cr%
+  #2\relax%
+}
+\def\seq@eqnocr{%
+  &\omit%
+  \hb@xt@\z@{\hss\eqa@eqpos\eqa@number}%
+  \global\let\seq@docr\seq@cr%
+  \global\let\seq@lastcr\seq@cr%
+  \seq@cr%
+}
+\def\seq@cr{\tab@cr\seq@cr@i\interdisplaylinepenalty\@M}
+\def\seq@cr@i#1#2{\cr\noalign{\penalty#2\vskip\jot\vskip#1}}
+\def\genmatrix#1#2#3#4#5{%
+  \let\mat@style#1%
+  \ifx#2\scriptstyle%
+    \let\mat@font\scriptfont%
+  \else\ifx#2\scriptscriptstyle%
+    \let\mat@font\scriptscriptfont%
+  \else%
+    \let\mat@font\textfont%
+  \fi\fi%
+  \ifx\mat@style\scriptstyle%
+    \let\mat@textsize\scriptsize%
+  \else\ifx\mat@style\scriptscriptstyle%
+    \let\mat@textsize\scriptscriptsize%
+  \else%
+    \let\mat@textsize\relax%
+  \fi\fi%
+  \def\mat@left{\bgroup\mat@style\left#4#3\vcenter\bgroup}%
+  \toks@{\egroup#3\right#5\egroup}%
+  \@tempswatrue%
+  \ifx\mat@style\displaystyle\else\ifx\mat@style\textstyle\else%
+    \@tempswafalse%
+    \setbox\z@\hbox\bgroup$%
+    \toks@\expandafter{\the\toks@$\m@th\egroup\raise.75\p@\box\z@}%
+  \fi\fi%
+  \if@tempswa\ifmmode\else%
+    $\m@th%
+    \toks@\expandafter{\the\toks@$}%
+  \fi\fi%
+  \edef\mat@right{\the\toks@}%
+  \@ifnextchar[\genmatrix@i{\genmatrix@i[[c]}%
+}
+\def\genmatrix@i[#1]{%
+  \colset{matrix}%
+  \tab@initread%
+  \setbox\z@\hbox{$\mat@style\mskip12mu$}%
+  \edef\tab@tabtext{&\kern\the\wd\z@}%
+  \tab@readpreamble{#1}%
+  \if1\ifx\mat@style\scriptstyle1\else%
+      \ifx\mat@style\scriptscriptstyle1\else0\fi\fi%
+    \baselineskip\fontdimen10\mat@font\tw@%
+    \advance\baselineskip\fontdimen12\mat@font\tw@%
+    \lineskip\thr@@\fontdimen8\mat@font\thr@@%
+  \else%
+    \baselineskip\fontdimen8\mat@font\tw@%
+    \advance\baselineskip\fontdimen11\mat@font\tw@%
+    \lineskip7\fontdimen8\mat@font\thr@@%
+  \fi%
+  \lineskiplimit\lineskip%
+  \let\\\mat@cr%
+  \tabskip\z@skip%
+  \col@sep\z@%
+  \mat@left%
+  \halign\expandafter\bgroup\the\tab@preamble\tabskip\z@skip\cr%
+  \ifx\mat@font\textfont%
+    \omit$\mat@style\mathstrut$\cr\noalign{\kern-\baselineskip}%
+  \fi%
+}
+\def\endgenmatrix{%
+  \crcr%
+  \ifx\mat@font\textfont%
+    \omit$\mat@style\mathstrut$\cr\noalign{\kern-\baselineskip}%
+  \fi%
+  \egroup%
+  \mat@right%
+}
+\def\mat@cr{\tab@cr\mat@cr@i{}{}}
+\def\mat@cr@i#1{\cr\noalign{\vskip#1}\@gobble}
+\def\newmatrix#1#2{%
+  \@namedef{#1}{\genmatrix#2}%
+  \expandafter\let\csname end#1\endcsname\endgenmatrix%
+}
+\newmatrix{matrix}{{\textstyle}{\textstyle}{\,}{.}{.}}
+\newmatrix{pmatrix}{{\textstyle}{\textstyle}{\,}{(}{)}}
+\newmatrix{dmatrix}{{\textstyle}{\textstyle}{\,}}
+\newmatrix{smatrix}{{\scriptstyle}{\scriptstyle}{}{.}{.}}
+\newmatrix{spmatrix}{{\scriptstyle}{\scriptstyle}{}{(}{)}}
+\newmatrix{sdmatrix}{{\scriptstyle}{\scriptstyle}{}}
+\newmatrix{smatrix*}{{\scriptstyle}{\textstyle}{}{.}{.}}
+\newmatrix{spmatrix*}{{\scriptstyle}{\textstyle}{}{(}{)}}
+\newmatrix{sdmatrix*}{{\scriptstyle}{\textstyle}{}}
+\def\script{%
+  \let\mat@style\scriptstyle%
+  \def\mat@left{\vcenter\bgroup}%
+  \def\mat@right{\egroup}%
+  \let\mat@font\scriptfont%
+  \let\mat@textsize\scriptsize%
+  \@ifnextchar[\genmatrix@i{\genmatrix@i[c]}%
+}
+\let\endscript\endgenmatrix
+\colpush{matrix}
+\coldef l{\tabcoltype{\kern\z@$\mat@style}{\m@th$\hfil}}
+\coldef c{\tabcoltype{\hfil$\mat@style}{\m@th$\hfil}}
+\coldef r{\tabcoltype{\hfil$\mat@style}{\m@th$}}
+\coldef T#1{\tab@aligncol{#1}{\begingroup\mat@textsize}{\endgroup}}
+\coldef {[}{%
+  \@firstoftwo{%
+    \ifnum\tab@columns=\z@%
+      \def\@tempa##1\q@delim{%
+        \tab@mkpreamble##1[##1\q@delim%
+      }%
+      \expandafter\@tempa%
+    \else%
+      \tab@setstate\tab@prestate%
+      \tab@append\tab@preamble{&}%
+      \expandafter\tab@mkpreamble%
+    \fi%
+  }%
+}
+\colpop
+\def\mdw@dots#1{\ensuremath{\mathpalette\mdw@dots@i{#1}}}
+\def\mdw@dots@i#1#2{%
+  \setbox\z@\hbox{$#1\mskip1.8mu$}%
+  \dimen@\wd\z@%
+  \setbox\z@\hbox{$#1.$}%
+  #2%
+}
+\def\vdots{%
+  \mdw@dots{\vbox{%
+    \baselineskip4\dimen@%
+    \lineskiplimit\z@%
+    \kern6\dimen@%
+    \copy\z@\copy\z@\box\z@%
+  }}%
+}
+\def\ddots{%
+  \mdw@dots{\mathinner{%
+    \mkern1mu%
+    \raise7\dimen@\vbox{\kern7\dimen@\copy\z@}%
+    \mkern2mu%
+    \raise4\dimen@\copy\z@%
+    \mkern2mu%
+    \raise\dimen@\box\z@%
+    \mkern1mu%
+  }}%
+}
+\def\cases{\left\{\,\array{@{}lTl@{}}}
+\def\endcases{\endarray\,\right.}
+\def\smcases{\left\{\smarray{@{}lTl@{}}}
+\def\endsmcases{\endsmarray\,\right.}
+\def\mth@error{\PackageError{mathenv}}
+\def\mth@err@number{%
+  \mth@error{Too many `&' characters found}{%
+    You've put too many `&' characters in an alignment^^J%
+    environment (like `eqnarray' or `spliteqn') and wandered^^J%
+    into trouble.  I've gobbled the contents of that column^^J%
+    and hopefully I can recover fairly easily.%
+  }%
+}
+\def\mth@err@mdsp{%
+  \mth@error{Can't do displays in nondisplay maths mode}{%
+    You're trying to start a display environment, but you're^^J%
+    in nondisplay maths mode.  The display will appear but^^J%
+    don't blame me when it looks horrible.%
+  }%
+}
+\def\mth@err@hdsp{%
+  \mth@error{Can't do displays in LR mode}{%
+    You're trying to start a display environment, but you're^^J%
+    in LR (restricted horizontal) mode.  Everything will go^^J%
+    totally wrong, so your best bet is to type `X', fix the^^J%
+    mistake and start again.%
+  }%
+}
+\endinput
+%%
+%% End of file `mathenv.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/mdwlist.sty b/Master/texmf-dist/tex/latex/mdwtools/mdwlist.sty
new file mode 100644
index 00000000000..c8764bcfcd3
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/mdwlist.sty
@@ -0,0 +1,136 @@
+%%
+%% This is file `mdwlist.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% mdwlist.dtx  (with options: `package')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwlist package -- various list-related things
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{mdwlist}
+                [1996/05/02 1.1 Various list-related things]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\def\nextlinelabel#1{%
+  \sbox\z@{#1}%
+  \ifdim\wd\z@>\labelwidth%
+    \setbox\z@\vbox{\box\z@\hbox{}}%
+    \wd\z@\z@%
+    \box\z@%
+  \else%
+    \unhbox\z@%
+  \fi%
+  \hfil%
+}
+\def\multilinelabel#1{%
+  \setbox\z@\hbox{%
+    \parbox[t]\labelwidth{\raggedright\hskip\z@skip#1}%
+  }%
+  \dp\z@\z@%
+  \box\z@%
+  \hfil%
+}
+\def\pushlabel#1{{#1}\hfil}
+\def\desclabelstyle#1{\def\desc@labelstyle{#1}}
+\def\desclabelwidth#1{%
+  \setlength\labelwidth{#1}%
+  \leftmargin\labelwidth%
+  \advance\leftmargin\labelsep%
+}
+\def\basedescript#1{%
+  \list{}{%
+    \defaultdesc%
+    #1%
+    \itemindent\labelwidth%
+    \advance\itemindent\labelsep%
+    \advance\itemindent-\leftmargin%
+    \let\desc@makelabel\makelabel%
+    \def\makelabel##1{\desc@labelstyle{\desc@makelabel{##1}}}%
+  }%
+}
+\let\endbasedescript\endlist
+\providecommand\defaultdesc{%
+  \desclabelstyle\pushlabel%
+  \def\makelabel##1{\bfseries##1}%
+  \labelwidth\z@%
+}
+\def\note{\@ifnextchar[\note@i{\note@i[Note:]}}
+\def\note@i[#1]{%
+  \basedescript{%
+    \sbox\z@{\makelabel{#1}}%
+    \desclabelwidth{\wd\z@}%
+  }%
+  \item[\box\z@]%
+}
+\let\endnote\endbasedescript
+\def\makecompactlist#1#2{%
+  \expandafter\@ifdefinable\csname#1\endcsname%
+    {\makecompactlist@i{#1}{#2}}%
+}
+\def\makecompactlist@i#1#2{%
+  \@ifundefined{#2}{\me@err{Environment `#2' not defined}\@ehc}{}%
+  \@namedef{#1}{\@compact@list{#2}}%
+  \expandafter\let\csname end#1\expandafter\endcsname%
+                  \csname end#2\endcsname%
+}
+\def\@compact@list#1{\@testopt{\@compact@list@i{#1}}{}}
+\def\@compact@list@i#1[#2]{%
+  \@nameuse{#1}#2%
+  \parskip\z@%
+  \itemsep\z@%
+}%
+\makecompactlist{itemize*}{itemize}
+\makecompactlist{enumerate*}{enumerate}
+\makecompactlist{description*}{description}
+\def\suspend{\@dblarg\suspend@i}
+\def\suspend@i[#1]#2{%
+  \edef\@tempa{%
+    \noexpand\end{#2}%
+    \def\expandafter\noexpand\csname resume.#1\endcsname{%
+      \csname c@\@listctr\endcsname\the\csname c@\@listctr\endcsname%
+    }%
+  }%
+  \@tempa%
+}
+\def\resume{\@dblarg\resume@i}
+\def\resume@i[#1]#2{\@testopt{\resume@ii{#1}{#2}}{}}
+\def\resume@ii#1#2[#3]{%
+  \begin{#2}#3%
+  \@ifundefined{resume.#1}{\ml@err@resume}{\@nameuse{resume.#1}}%
+}
+\endinput
+%%
+%% End of file `mdwlist.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/mdwmath.sty b/Master/texmf-dist/tex/latex/mdwtools/mdwmath.sty
new file mode 100644
index 00000000000..f06def5f137
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/mdwmath.sty
@@ -0,0 +1,132 @@
+%%
+%% This is file `mdwmath.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% mdwmath.dtx  (with options: `package')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwmath package -- various nicer mathematical things
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{mdwmath}
+                [1996/04/11 1.1 Nice mathematical things]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\newcount\sq@sqrt
+\begingroup
+  \catcode`\|0 \catcode`\\12
+  |def|sq@readrad#1"#2\#3|relax{|global|sq@sqrt"#2|relax}
+  |expandafter|sq@readrad|meaning|sqrtsign|relax
+|endgroup
+\def\sq@delim{\delimiter\sq@sqrt\relax}
+\def\sqrtdel{\mathpalette\sqrtdel@i}
+\def\sqrtdel@i#1#2{%
+  \setbox\z@\hbox{$\m@th#1#2$}% %%% Bzzzt -- uncramps the mathstyle
+  \ifx#1\displaystyle%
+    \@tempdima1ex%
+  \else%
+    \@tempdima.6\p@%
+  \fi%
+  \@tempdimb.6\p@%
+  \advance\@tempdimb.25\@tempdima%
+  \dimen@.6\p@%
+  \advance\dimen@\@tempdimb%
+  \advance\dimen@\ht\z@%
+  \advance\dimen@\dp\z@%
+  \setbox\tw@\hbox{%
+    $\left\sq@delim\vcenter to\dimen@{}\right.\n@space$%
+  }%
+  \@tempdima\ht\tw@%
+  \advance\@tempdima\dp\tw@%
+  \advance\@tempdima-\ht\z@%
+  \advance\@tempdima-\dp\z@%
+  \ifdim\@tempdima>\@tempdimb%
+    \advance\@tempdima\@tempdimb%
+    \@tempdimb.5\@tempdima%
+  \fi%
+  \@tempdima\ht\z@%
+  \advance\@tempdima\@tempdimb%
+  \advance\@tempdima-\ht\tw@%
+  {\raise\@tempdima\box\tw@\vbox{\kern\@tempdimb\box\z@}}%
+}
+\DeclareRobustCommand\sqrt{\@ifstar{\sqrt@i\sqrtdel}{\sqrt@i\sqrtsign}}
+\def\sqrt@i#1{\@ifnextchar[{\sqrt@ii{#1}}{\sqrt@iv{#1}}}
+\def\sqrt@ii#1[#2]{%
+  \setbox\rootbox\hbox{$\m@th\scriptscriptstyle{#2}$}%
+  \ifdim\wd\rootbox<6\p@%
+    \setbox\rootbox\hb@xt@6\p@{\hfil\unhbox\rootbox}%
+  \fi%
+  \mathpalette{\sqrt@iii{#1}}%
+}
+\def\sqrt@iii#1#2#3{%
+  \setbox\z@\hbox{$\m@th#2#1{#3}$}%
+  \dimen@\ht\z@%
+  \advance\dimen@-\dp\z@%
+  \dimen@.6\dimen@%
+  \advance\dimen@\dp\rootbox%
+  \mkern-3mu%
+  \raise\dimen@\copy\rootbox%
+  \mkern-10mu%
+  \box\z@%
+}
+\def\sqrt@iv#1#2{#1{#2}}
+\def\root{\@ifstar{\root@i\sqrtdel}{\root@i\sqrtsign}}
+\def\root@i#1#2\of{\sqrt@ii{#1}[#2]}
+\DeclareMathSymbol{&}{\mathbin}{operators}{`\&}
+\DeclareMathSymbol{\bitand}{\mathbin}{operators}{`\&}
+\def\bitor{\mathbin\mid}
+\def\dblor{\mathbin{\mid\mid}}
+\def\dbland{\mathbin{\mathrel\bitand\mathrel\bitand}}
+\def\bbigg{\@bbigg\mathord}
+\def\bbiggl{\@bbigg\mathopen}
+\def\bbiggr{\@bbigg\mathclose}
+\def\bbiggm{\@bbigg\mathrel}
+\def\@bbigg#1{\@ifnextchar[{\@bigg@i{#1}}{\@bigg@i{#1}[\z@]}}
+\def\@bigg@i#1[#2]#3#4{#1{\bbigg@{#2}{#3}{#4}}}
+\def\bbigg@#1#2#3{%
+  \hbox{$%
+    \dimen@\ht\strutbox\advance\dimen@\dp\strutbox%
+    \advance\dimen@#1%
+    \dimen@#2\dimen@%
+    \left#3\vcenter to\dimen@{}\right.\n@space%
+  $}%
+}
+\def\big{\bbigg@\z@\@ne}
+\def\Big{\bbigg@\z@{1.5}}
+\def\bigg{\bbigg@\z@\tw@}
+\def\Bigg{\bbigg@\z@{2.5}}
+\endinput
+%%
+%% End of file `mdwmath.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/mdwtab.sty b/Master/texmf-dist/tex/latex/mdwtools/mdwtab.sty
new file mode 100644
index 00000000000..ababc58d591
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/mdwtab.sty
@@ -0,0 +1,1077 @@
+%%
+%% This is file `mdwtab.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% mdwtab.dtx  (with options: `mdwtab')
+%% footnote.dtx  (with options: `macro')
+%% doafter.dtx  (with options: `macro')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% mdwtab package -- another rewrite of the tabular environment, etc.
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{mdwtab}
+                [1998/04/28 1.9 Table typesetting with style]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+%%
+\newcount\tab@state
+\newcount\tab@columns
+\newtoks\tab@preamble
+\newtoks\tab@shortline
+\toksdef\tab@pretext 4
+\toksdef\tab@posttext 6
+\toksdef\tab@userpretext 8
+\newdimen\extrarowheight
+\newdimen\tabextrasep
+\newdimen\arrayextrasep
+\newdimen\smarraycolsep
+\newdimen\smarrayextrasep
+\newdimen\tab@width
+\newdimen\col@sep
+\newdimen\tab@endheight
+\newskip\tab@leftskip
+\newskip\tab@rightskip
+\newif\iftab@firstcol
+\newif\iftab@initrule
+\newif\iftab@rule
+\newif\iftab@vgap
+\tabextrasep\z@
+\arrayextrasep\jot
+\smarraycolsep\thr@@\p@
+\smarrayextrasep\z@
+\let\tab@extrasep\tabextrasep
+\let\tab@penalty\relax
+\def\@maybe@unskip{\ifhmode\hskip\m@ne\lastskip\relax\fi}
+\def\q@delim{\q@delim}
+\chardef\tab@startstate 0
+\chardef\tab@loopstate 1
+\chardef\tab@rulestate 1
+\chardef\tab@prespcstate 2
+\chardef\tab@prestate 3
+\chardef\tab@colstate 4
+\chardef\tab@poststate 5
+\chardef\tab@postspcstate 6
+\chardef\tab@limitstate 7
+\def\tab@append#1#2{#1\expandafter{\the#1#2}}
+\def\tab@prepend#1#2{%
+  \toks@{#2}#1\expandafter{\the\expandafter\toks@\the#1}%
+}
+\def\tab@commit{%
+  \iftab@firstcol\else%
+    \expandafter\tab@append\expandafter\tab@preamble%
+      \expandafter{\tab@tabtext}%
+  \fi%
+  \toks@\expandafter{\tab@midtext}%
+  \tab@preamble\expandafter{%
+    \the\expandafter\tab@preamble%
+    \the\expandafter\tab@pretext%
+    \the\expandafter\tab@userpretext%
+    \the\expandafter\toks@%
+    \the\tab@posttext%
+  }%
+  \tab@firstcolfalse%
+  \tab@pretext{}%
+  \tab@userpretext{}%
+  \tab@posttext{}%
+}
+\def\tab@setstate#1{%
+  \ifnum#1=\tab@state\else%
+    \def\@tempa{\tab@setstate@i{#1}}%
+    \@tempa%
+  \fi%
+}
+\def\tab@setstate@i#1{%
+  \global\advance\tab@state\@ne%
+  \ifnum\tab@state>\tab@limitstate%
+    \global\tab@state\tab@loopstate%
+  \fi%
+  \ifnum\tab@state=\tab@prespcstate%
+    \iftab@initrule%
+      \tab@initrulefalse%
+    \else%
+      \tab@looped%
+      \tab@commit%
+      \tab@append\tab@shortline{&\omit}%
+    \fi%
+  \fi%
+  \ifnum#1=\tab@state%
+    \let\@tempa\relax%
+  \else%
+    \csname tab@default@\number\tab@state\endcsname%
+  \fi%
+  \@tempa%
+}
+\@namedef{tab@default@2}{%
+  \iftab@rule%
+    \tab@append\tab@pretext{\hskip\col@sep}%
+  \fi%
+}
+\@namedef{tab@default@4}{%
+  \tab@err@misscol%
+  \tab@append\tab@pretext{\tab@bgroup\relax}%
+  \tab@append\tab@posttext{\relax\tab@egroup\hfil}%
+  \tab@append\tab@shortline{\hfil}%
+  \advance\tab@columns\@ne%
+}
+\@namedef{tab@default@6}{%
+  \tab@append\tab@posttext{\hskip\col@sep}%
+  \tab@ruletrue%
+}
+\def\tab@extracol#1#2{\tab@extracol@i#1#2\extracolsep{}\extracolsep\end}
+\def\tab@extracol@i#1#2\extracolsep#3#4\extracolsep#5\end{%
+  \ifx @#3@%
+    \def\@tempa{#1{#2}}%
+  \else%
+    \def\@tempa{#1{#2\tabskip#3\relax#4}}%
+  \fi%
+  \@tempa%
+}
+\def\tabruletype#1{\tab@extracol\tabruletype@i{#1}}%
+\def\tabruletype@i#1{%
+  \iftab@initrule%
+    \let\tab@tok\tab@pretext%
+  \else%
+    \let\tab@tok\tab@posttext%
+  \fi%
+  \ifnum\tab@state=\tab@rulestate%
+    \tab@append\tab@tok{\hskip\doublerulesep\begingroup#1\endgroup}%
+    \expandafter\tab@append\expandafter\tab@shortline\expandafter{%
+      \expandafter\hskip\expandafter\doublerulesep%
+      \expandafter\tab@ckr\expandafter{\the\tab@columns}%
+        {\begingroup#1\endgroup}%
+    }%
+  \else%
+    \tab@setstate\tab@rulestate%
+    \tab@append\tab@tok{\begingroup#1\endgroup}%
+    \expandafter\tab@append\expandafter\tab@shortline\expandafter{%
+      \expandafter\tab@ckr\expandafter{\the\tab@columns}%
+        {\begingroup#1\endgroup}%
+    }%
+  \fi%
+  \tab@ruletrue%
+}
+\def\tabspctype#1{\tab@extracol\tabspctype@i{#1}}%
+\def\tabspctype@i#1{%
+  \tab@rulefalse%
+  \ifnum\tab@state>\tab@prespcstate%
+    \tab@setstate\tab@postspcstate%
+    \let\tab@tok\tab@posttext%
+  \else%
+    \tab@setstate\tab@prespcstate%
+    \let\tab@tok\tab@pretext%
+  \fi%
+  \tab@append\tab@tok{\begingroup#1\endgroup}%
+}
+\def\tabcoltype#1#2{%
+  \ifnum\tab@state=\tab@colstate%
+    \global\advance\tab@state\@ne%
+  \fi%
+  \advance\tab@columns\@ne%
+  \tab@setstate\tab@colstate%
+  \tab@append\tab@pretext{#1}%
+  \tab@append\tab@posttext{#2}%
+  \tab@append\tab@shortline{\hfil}%
+}
+\def\tabuserpretype#1{%
+  \tab@setstate\tab@prestate%
+  \tab@prepend\tab@userpretext{#1}%
+}
+\def\tabuserposttype#1{%
+  \tab@setstate\tab@poststate%
+  \tab@prepend\tab@posttext{#1}%
+}
+\def\tab@push#1#2{%
+  \toks@{{#2}}%
+  \expandafter\def\expandafter#1\expandafter{\the\expandafter\toks@#1}%
+}
+\def\tab@pop#1{\expandafter\def\expandafter#1\expandafter{\@gobble#1}}
+\def\tab@head#1{\expandafter\tab@head@i#1\relax}
+\def\tab@head@i#1#2\relax{#1}
+\def\tab@colstack{{tabular}}
+\def\colset{\colpop\colpush}
+\def\colpush{\tab@push\tab@colstack}
+\def\colpop{\tab@pop\tab@colstack}
+\def\tab@colset{\tab@head\tab@colstack}
+\def\tab@initread{%
+  \global\tab@state\tab@startstate%
+  \tab@preamble{}%
+  \tab@shortline{}%
+  \def\tab@tabtext{&}%
+  \def\tab@midtext{\ignorespaces####\@maybe@unskip}%
+  \tab@pretext{}%
+  \tab@userpretext{}%
+  \tab@posttext{}%
+  \let\tab@multicol\@empty%
+  \def\tab@startpause{\penalty\postdisplaypenalty\medskip}%
+  \def\tab@endpause{\penalty\predisplaypenalty\medskip}%
+  \tab@columns\z@%
+  \let\tab@looped\relax%
+  \tab@ruletrue%
+  \tab@initruletrue%
+  \tab@firstcoltrue%
+}
+\def\tab@readpreamble#1{%
+  \tab@doreadpream{#1}%
+  \iftab@initrule\global\tab@state\tab@prespcstate\fi%
+  \tab@setstate\tab@rulestate%
+  \tab@commit%
+}
+\def\tab@doreadpream#1{\tab@mkpreamble#1\q@delim}
+\def\tab@mkpreamble{\futurelet\@let@token\tab@mkpreamble@i}
+\def\tab@mkpreamble@i{%
+  \ifx\@let@token\@sptoken%
+    \expandafter\tab@mkpreamble@spc%
+  \else%
+    \expandafter\tab@mkpreamble@ii%
+  \fi%
+}
+\def\tab@mkpreamble@ii{%
+  \ifx\@let@token\q@delim%
+    \def\@tempa{\let\@let@token}%
+  \else%
+    \ifcat\bgroup\noexpand\@let@token%
+      \tab@err@oddgroup%
+      \def\@tempa##1{\tab@mkpreamble}%
+    \else%
+      \let\@tempa\tab@mkpreamble@iii%
+    \fi%
+  \fi%
+  \@tempa%
+}
+\def\tab@mkpreamble@iii#1{%
+  \@ifundefined{\tab@colset!col.\string#1}{%
+    \tab@err@undef{#1}\tab@mkpreamble%
+  }{%
+    \@nameuse{\tab@colset!col.\string#1}%
+  }%
+}
+\@namedef{tab@mkpreamble@spc} {%
+  \@ifundefined{\tab@colset!col. }{%
+    \tab@mkpreamble%
+  }{%
+    \@nameuse{\tab@colset!col. }%
+  }%
+}
+\def\coldef{\@ifnextchar[\coldef@i{\coldef@i[\tab@colset]}}
+\def\coldef@i[#1]#2#3#{\coldef@ii[#1]{#2}{#3}}
+\def\coldef@ii[#1]#2#3#4{%
+  \expandafter\def\csname#1!col.\string#2\endcsname#3{%
+    #4\tab@mkpreamble%
+  }%
+}
+\def\collet{\@ifnextchar[\collet@i{\collet@i[\tab@colset]}}
+\def\collet@i[#1]#2{%
+  \@ifnextchar=%
+    {\collet@ii[#1]{#2}}%
+    {\collet@ii[#1]{#2}=}%
+}
+\def\collet@ii[#1]#2={%
+  \@ifnextchar[%
+    {\collet@iii[#1]{#2}}%
+    {\collet@iii[#1]{#2}[\tab@colset]}%
+}
+\def\collet@iii[#1]#2[#3]#4{%
+  \expandafter\let\csname#1!col.\string#2\expandafter\endcsname%
+                  \csname#3!col.\string#4\endcsname%
+}
+\def\newcolumntype#1{\@ifnextchar[{\nct@i{#1}}{\nct@i#1[0]}}
+\def\nct@i#1[#2]{\@ifnextchar[{\nct@ii{#1}[#2]}{\nct@iii{#1}{[#2]}}}
+\def\nct@ii#1[#2][#3]{\nct@iii{#1}{[#2][#3]}}
+\def\nct@iii#1#2#3{%
+  \expandafter\let\csname\tab@colset!col.\string#1\endcsname\relax%
+  \expandafter\newcommand\csname\tab@colset!col.\string#1\endcsname#2{%
+    \tab@deepmagic{#1}%
+    \tab@mkpreamble%
+    #3%
+  }%
+}
+\def\newcol@#1[#2]{\nct@iii{#1}{[#2]}}
+\def\tab@deepmagic#1{%
+  \csname NC@rewrite@\string#1\endcsname\NC@find\tab@@magic@@%
+}
+\def\NC@find#1\tab@@magic@@{}
+\colset{tabular}
+\coldef l{\tabcoltype{\kern\z@\tab@bgroup}{\tab@egroup\hfil}}
+\coldef c{\tabcoltype{\hfil\tab@bgroup}{\tab@egroup\hfil}}
+\coldef r{\tabcoltype{\hfil\tab@bgroup}{\tab@egroup}}
+\coldef T#1{\tab@aligncol{#1}{\tab@btext}{\tab@etext}}
+\coldef M#1{\tab@aligncol{#1}{\tab@bmaths}{\tab@emaths}}
+\def\tab@aligncol#1#2#3{%
+  \if#1l\tabcoltype{\kern\z@#2}{#3\hfil}\fi%
+  \if#1c\tabcoltype{\hfil#2}{#3\hfil}\fi%
+  \if#1r\tabcoltype{\hfil#2}{#3}\fi%
+}
+\coldef |{\tabruletype{\vrule\@width\arrayrulewidth}}
+\coldef !#1{\tabruletype{#1}}
+\coldef @#1{\tabspctype{#1}}
+\coldef p#1{\tabcoltype%
+             {\savenotes\vtop\tab@bpar{#1}}%
+             {\tab@epar\spewnotes\hfil}}
+\coldef m#1{\tabcoltype%
+             {\savenotes$\vcenter\tab@bpar{#1}}%
+             {\tab@epar$\spewnotes\hfil}}
+\coldef b#1{\tabcoltype%
+             {\savenotes\vbox\tab@bpar{#1}}%
+             {\tab@epar\spewnotes\hfil}}
+\coldef >#1{\tabuserpretype{#1}}
+\coldef <#1{\tabuserposttype{#1}}
+\coldef ##1#2{\tabcoltype{#1}{#2}}
+\coldef *#1#2{%
+  \count@#1%
+  \loop\ifnum\count@>0\relax%
+    \tab@doreadpream{#2}%
+    \advance\count@\m@ne%
+  \repeat%
+}
+\def\tab@bpar#1{%
+  \bgroup%
+  \hsize#1\relax%
+  \@arrayparboxrestore%
+  \setbox\z@\vtop\bgroup
+  \global\@minipagetrue%
+  \everypar{%
+    \global\@minipagefalse%
+    \everypar{}%
+  }%
+}
+\def\tab@epar{%
+  \ifhmode\@maybe@unskip\par\fi%
+  \unskip%
+  \ifdim\prevdepth>-\@m\p@\ifdim\prevdepth<\dp\@arstrutbox%
+    \kern-\prevdepth%
+    \nointerlineskip%
+    \vtop to\dp\@arstrutbox{}%
+  \fi\fi%
+  \egroup%
+  \ifdim\ht\z@<\ht\@arstrutbox%
+    \vbox to\ht\@arstrutbox{}%
+    \kern-\ht\z@%
+  \fi%
+  \unvbox\z@%
+  \egroup%
+}
+\def\@mkpream#1{%
+  \endgroup%
+  \colset{tabular}%
+  \tab@initread%
+  \def\tab@multicol{\@arstrut}%
+  \tab@preamble{\tab@multicol}%
+  \def\tab@midtext{\ignorespaces\@sharp\@sharp\@maybe@unskip}%
+  \tab@readpreamble{#1}%
+  \gdef\@preamble{\the\tab@preamble}%
+  \let\tab@bgroup\begingroup%
+  \let\tab@egroup\endgroup%
+  \begingroup%
+}
+\def\showpream#1{%
+  \tab@initread%
+  \tab@readpreamble{#1}%
+  \showthe\tab@preamble%
+  \showthe\tab@shortline%
+}
+\def\showcol#1{%
+  \expandafter\show\csname\tab@colset!col.\string#1\endcsname%
+}
+\def\tab@array{%
+  \tab@width\z@%
+  \let\tab@bgroup\tab@bmaths%
+  \let\tab@egroup\tab@emaths%
+  \@tabarray%
+}
+\def\tab@btext{\begingroup}
+\def\tab@bmaths{$}
+\def\tab@etext{\endgroup}
+\def\tab@emaths{\m@th$}
+\def\array{%
+  \col@sep\arraycolsep%
+  \let\tab@extrasep\arrayextrasep%
+  \tab@normalstrut%
+  \tab@array%
+}
+\def\endarray{%
+  \crcr%
+  \egroup%
+  \tab@right%
+  \tab@restorehlstate%
+}
+\def\smarray{%
+  \extrarowheight\z@%
+  \col@sep\smarraycolsep%
+  \let\tab@extrasep\smarrayextrasep%
+  \def\tab@bmaths{$\scriptstyle}%
+  \def\tab@btext{\begingroup\scriptsize}%
+  \setbox\z@\hbox{\scriptsize\strut}%
+  \dimen@\ht\z@\dimen\tw@\dp\z@\tab@setstrut%
+  \tab@array%
+}
+\let\endsmarray\endarray
+\providecommand\tabstyle{}
+\def\@tabular#1{%
+  \tabstyle%
+  \tab@width#1%
+  \let\tab@bgroup\tab@btext%
+  \let\tab@egroup\tab@etext%
+  \col@sep\tabcolsep%
+  \let\tab@extrasep\tabextrasep%
+  \tab@normalstrut%
+  \@tabarray%
+}
+\def\tabular{\@tabular\z@}
+\expandafter\let\csname tabular*\endcsname\@tabular
+\let\endtabular\endarray
+\expandafter\let\csname endtabular*\endcsname\endarray
+\def\tab@setstrut{%
+  \setbox\@arstrutbox\hbox{%
+    \vrule%
+      \@height\arraystretch\dimen@%
+      \@depth\arraystretch\dimen\tw@%
+      \@width\z@%
+  }%
+}
+\def\tab@normalstrut{%
+  \dimen@\ht\strutbox\advance\dimen@\extrarowheight%
+  \dimen\tw@\dp\strutbox%
+  \tab@setstrut%
+}
+\let\@arrayleft\relax%
+\let\@arrayright\relax%
+\def\@tabarray{%
+  \let\@arrayleft\relax%
+  \let\@arrayright\relax%
+  \@ifnextchar[\@array{\@array[c]}%
+}
+\def\@array[#1]#2{%
+  \edef\tab@restorehlstate{%
+    \global\tab@endheight\the\tab@endheight%
+    \gdef\noexpand\tab@hlstate{\tab@hlstate}%
+  }%
+  \def\tab@hlstate{n}%
+  \colset{tabular}%
+  \tab@initread%
+  \def\tab@midtext{\tab@setcr\ignorespaces####\@maybe@unskip}%
+  \def\tab@multicol{\@arstrut\tab@startrow}%
+  \tab@preamble{\tab@multicol\tabskip\z@skip}%
+  \tab@readpreamble{#2}%
+  \tab@leftskip\z@skip%
+  \tab@rightskip\z@skip%
+  \tab@setposn{#1}%
+  \ifdim\tab@width=\z@%
+    \def\tab@halign{}%
+  \else%
+    \def\tab@halign{to\tab@width}%
+  \fi%
+  \lineskip\z@\baselineskip\z@%
+  \m@th%
+  \def\tabularnewline{\tab@arraycr\tab@penalty}%
+  \tab@setcr%
+  \let\par\@empty%
+  \everycr{}\tabskip\tab@leftskip%
+  \tab@left\halign\tab@halign\expandafter\bgroup%
+    \the\tab@preamble\tabskip\tab@rightskip\cr%
+}
+\def\tab@setposn#1{%
+  \def\tab@left{%
+    \savenotes%
+    \leavevmode\hbox\bgroup$\@arrayleft\vcenter\bgroup%
+  }%
+  \def\tab@right{%
+    \egroup%
+    \m@th\@arrayright$\egroup%
+    \spewnotes%
+  }%
+  \global\tab@endheight\z@%
+  \@tempswafalse%
+  \let\tab@penalty\relax%
+  \if#1t%
+    \def\tab@left{%
+      \savenotes%
+      \leavevmode\setbox\z@\hbox\bgroup$\@arrayleft\vtop\bgroup%
+    }%
+    \def\tab@right{%
+      \egroup%
+      \m@th\@arrayright$\egroup%
+      \tab@raisebase%
+      \spewnotes%
+    }%
+    \gdef\tab@hlstate{t}%
+    \global\tab@endheight\ht\@arstrutbox%
+  \else\if#1b%
+    \def\tab@left{%
+      \savenotes%
+      \leavevmode\setbox\z@\hbox\bgroup$\@arrayleft\vbox\bgroup%
+    }%
+    \def\tab@right{%
+      \egroup%
+      \m@th\@arrayright$\egroup%
+      \tab@lowerbase%
+      \spewnotes%
+    }%
+    \gdef\tab@hlstate{b}%
+  \else%
+    \if#1L\@tempswatrue\fi%
+    \if#1C\@tempswatrue\fi%
+    \if#1R\@tempswatrue\fi%
+  \fi\fi%
+  \if@tempswa\ifhmode%
+    \ifinner\tab@err@unbrh\@tempswafalse\else\par\fi%
+  \fi\fi%
+  \if@tempswa\ifmmode\tab@err@unbmm\@tempswafalse\fi\fi%
+  \if@tempswa\ifx\@arrayleft\relax\else%
+    \tab@err@unbext\@tempswafalse%
+  \fi\fi%
+  \if@tempswa%
+    \def\tab@left{\vskip\parskip\medskip}%
+    \def\tab@right{\par\@endpetrue\global\@ignoretrue}%
+    \tab@leftskip\@totalleftmargin%
+    \tab@rightskip\hsize%
+    \advance\tab@rightskip-\linewidth%
+    \advance\tab@rightskip-\@totalleftmargin%
+    \ifdim\tab@width=\z@%
+      \if#1L\else\advance\tab@leftskip\z@\@plus10000fill\fi%
+      \if#1R\else\advance\tab@rightskip\z@\@plus10000fill\fi%
+    \else%
+      \dimen@\linewidth%
+      \advance\dimen@-\tab@width%
+      \if#1L\advance\tab@rightskip\dimen@\fi%
+      \if#1R\advance\tab@leftskip\dimen@\fi%
+      \if#1C%
+        \advance\tab@leftskip.5\dimen@%
+        \advance\tab@rightskip.5\dimen@%
+      \fi%
+    \fi%
+    \def\tab@penalty{\penalty\@M}%
+    \tab@width\hsize%
+  \fi%
+}
+\def\tab@hlstate{n}
+\def\tab@addruleheight#1{%
+  \if\tab@hlstate n\else%
+    \global\advance\tab@endheight#1\relax%
+  \fi%
+}
+\def\tab@startrow{%
+  \if\tab@hlstate t%
+    \gdef\tab@hlstate{n}%
+  \else\if\tab@hlstate b%
+    \global\tab@endheight\dp\@arstrutbox%
+  \fi\fi%
+}
+\def\tab@raisebase{%
+  \global\advance\tab@endheight-\ht\z@%
+  \raise\tab@endheight\box\z@%
+}
+\def\tab@lowerbase{%
+  \global\advance\tab@endheight-\dp\z@%
+  \lower\tab@endheight\box\z@%
+}
+\def\tabpause#{%
+  \noalign{\ifnum0=`}\fi%
+  \@parboxrestore%
+  \tab@startpause%
+  \vskip-\parskip%
+  \parshape\@ne\@totalleftmargin\linewidth%
+  \noindent%
+  \doafter\tabpause@i%
+}
+\def\tabpause@i{%
+  \nobreak%
+  \tab@endpause%
+  \ifnum0=`{\fi}%
+}
+\long\def\multicolumn#1#2#3{%
+  \multispan{#1}%
+  \begingroup%
+    \tab@multicol%
+    \tab@initread%
+    \tab@preamble{}%
+    \long\def\tab@midtext{#3}%
+    \let\tab@looped\tab@err@multi%
+    \tab@readpreamble{#2}%
+    \the\tab@preamble%
+  \endgroup%
+  \ignorespaces%
+}
+\def\ranges#1#2{%
+  \gdef\ranges@temp{#1}%
+  \begingroup%
+  \ranges@i#2 \q@delim%
+}
+\def\ranges@i{%
+  \@ifnextchar\q@delim\ranges@done{\afterassignment\ranges@ii\count@}%
+}
+\def\ranges@ii{%
+  \@ifnextchar-\ranges@iii{\ranges@do\count@\count@\ranges@v}%
+}
+\def\ranges@iii-{\afterassignment\ranges@iv\@tempcnta}
+\def\ranges@iv{\ranges@do\count@\@tempcnta\ranges@v}
+\def\ranges@v{%
+  \@ifnextchar,%
+    \ranges@vi%
+    {%
+      \@ifnextchar\q@delim%
+        \ranges@done%
+        {\tab@err@range\ranges@vi,}%
+    }%
+}
+\def\ranges@vi,{\afterassignment\ranges@ii\count@}
+\def\ranges@do#1#2{%
+  \ifnum#1>#2\else%
+    \expandafter\endgroup%
+    \expandafter\ranges@temp%
+    \expandafter{%
+    \the\expandafter#1%
+    \expandafter}%
+    \expandafter{%
+    \the#2%
+    }%
+    \begingroup%
+  \fi%
+}
+\def\ranges@done\q@delim{\endgroup}
+\def\ifinrange#1#2{%
+  \@tempswafalse%
+  \count@#1%
+  \ranges\ifinrange@i{#2}%
+  \if@tempswa%
+    \expandafter\@firstoftwo%
+  \else%
+    \expandafter\@secondoftwo%
+  \fi%
+}
+\def\ifinrange@i#1#2{%
+  \ifnum\count@<#1 \else\ifnum\count@>#2 \else\@tempswatrue\fi\fi%
+}
+\def\hline{%
+  \tab@dohline%
+  \noalign{\ifnum0=`}\fi%
+  \tab@penalty%
+  \futurelet\@let@token\hline@i%
+}
+\def\hline@i{%
+  \ifx\@let@token\hline%
+    \vskip\doublerulesep%
+    \tab@addruleheight\doublerulesep%
+  \fi%
+  \ifnum0=`{\fi}%
+}
+\def\tab@dohline{%
+  \multispan{\tab@columns}%
+  \leaders\hrule\@height\arrayrulewidth\hfil%
+  \tab@addruleheight\arrayrulewidth%
+  \cr%
+}
+\renewcommand\vline[1][\arrayrulewidth]{\vrule\@width#1\relax}
+\def\cline#1{%
+  \noalign{\kern-.5\arrayrulewidth\tab@penalty}%
+  \omit%
+  \global\tab@state\@ne%
+  \ranges\cline@i{#1}%
+  \cr%
+  \noalign{\kern-.5\arrayrulewidth\tab@penalty}%
+}
+\def\cline@i#1#2{%
+  \ifnum#1<\tab@state\relax%
+    \tab@@cr%
+    \noalign{\kern-\arrayrulewidth\tab@penalty}%
+    \omit%
+    \global\tab@state\@ne%
+  \fi%
+  \@whilenum\tab@state<#1\do{%
+    \hfil\tab@@tab@omit%
+    \global\advance\tab@state\@ne%
+  }%
+  \ifnum\tab@state>\@ne%
+    \kern-\arrayrulewidth%
+  \fi%
+  \@whilenum\tab@state<#2\do{%
+    \tab@@span@omit%
+    \global\advance\tab@state\@ne%
+  }%
+  \leaders\hrule\@height\arrayrulewidth\hfill%
+}
+\def\tab@@cr{\cr}
+\def\tab@@tab@omit{&\omit}
+\def\tab@@span@omit{\span\omit}
+\def\tab@checkrule#1{%
+  \count@#1\relax%
+  \expandafter\ifinrange%
+  \expandafter\count@%
+  \expandafter{\tab@xcols}%
+    {\tab@checkrule@i}%
+    {}%
+}
+\def\tab@checkrule@i#1{\setbox\z@\hbox{#1}\hb@xt@\wd\z@{}}
+\def\vgap{%
+  \noalign{\nobreak}%
+  \omit%
+  \global\let\vgap@after\@empty%
+  \iffalse{\fi\ifnum0=`}\fi%
+  \@ifnextchar[\vgap@i\vgap@simple%
+}
+\def\vgap@i[#1]{\vgap@spec{#1}}
+\def\vgap@spec#1#2{%
+  \gdef\tab@xcols{#1}%
+  \global\let\tab@ckr\tab@checkrule%
+  \vgap@do{#2}%
+}
+\def\vgap@simple#1{%
+  \global\let\tab@ckr\@gobble%
+  \vgap@do{#1}%
+}
+\def\vgap@do#1{%
+  \ifnum0=`{}\fi%
+  \global\tab@vgaptrue%
+  \the\tab@shortline%
+    \vrule\@height#1\@width\z@%
+    \global\tab@vgapfalse
+    \tab@addruleheight{#1}%
+    \cr%
+  \noalign{\nobreak}%
+  \vgap@after%
+}
+\def\hlx#1{\hlx@loop#1\q@delim}
+\def\hlx@loop#1{%
+  \ifx#1\q@delim\else%
+    \@ifundefined{hlx@cmd@\string#1}{%
+      \expandafter\hlx@loop%
+    }{%
+      \csname hlx@cmd@\string#1\expandafter\endcsname%
+    }%
+  \fi%
+}
+\def\hlxdef#1{\@namedef{hlx@cmd@#1}}
+\hlxdef h#1{%
+  \noalign{%
+    \ifx#1h%
+      \def\@tempa{\hline\hline\hlx@loop}%
+    \else%
+      \def\@tempa{\hline\hlx@loop#1}%
+    \fi%
+    \expandafter
+  }%
+  \@tempa%
+}
+\hlxdef b{\noalign{\kern-\arrayrulewidth}\hlx@loop}
+\hlxdef /{%
+  \noalign{\ifnum0=`}\fi%
+  \@ifnextchar[\hlx@cmd@break@i{\hlx@cmd@break@i[0]}%
+}
+\def\hlx@cmd@break@i[#1]{\ifnum0=`{\fi}\pagebreak[0]\hlx@loop}
+\hlxdef v{%
+  \noalign{\nobreak}%
+  \omit%
+  \iffalse{\fi\ifnum0=`}\fi%
+  \global\let\vgap@after\hlx@loop%
+  \@ifnextchar[\hlx@vgap@i{\hlx@vgap@ii\vgap@simple}%
+}
+\def\hlx@vgap@i[#1]{%
+  \ifx!#1!%
+    \def\@tempa{\hlx@vgap@ii\vgap@simple}%
+  \else%
+    \def\@tempa{\hlx@vgap@ii{\vgap@spec{#1}}}%
+  \fi%
+  \@tempa%
+}
+\def\hlx@vgap@ii#1{%
+  \@ifnextchar[{\hlx@vgap@iii{#1}}{\hlx@vgap@iii{#1}[\doublerulesep]}%
+}
+\def\hlx@vgap@iii#1[#2]{#1{#2}}
+\hlxdef s{%
+  \noalign{\ifnum0=`}\fi%
+  \nobreak%
+  \@ifnextchar[\hlx@space@i{\hlx@space@i[\doublerulesep]}%
+}
+\def\hlx@space@i[#1]{%
+  \vskip#1%
+  \tab@addruleheight{#1}%
+  \ifnum0=`{\fi}%
+  \hlx@loop%
+}
+\hlxdef c#1{\cline{#1}\hlx@loop}
+\hlxdef .#1\q@delim{%
+  \ifx @#1@\else%
+    \PackageWarning{mdwtab}{%
+      Ignoring \protect\hlx\space command characters following a
+      `.'\MessageBreak command%
+    }%
+  \fi%
+  \ignorespaces%
+}
+\def\@arraycr{\tab@arraycr{}}
+\def\tab@arraycr#1{\tab@cr{\tab@tabcr{#1}}{}{}}
+\def\tab@tabcr#1#2{%
+  \dimen@#2%
+  \advance\dimen@\tab@extrasep%
+  \ifdim\dimen@>\z@%
+    \ifvmode%
+      \unskip\ifdim\prevdepth>-\@m\p@\kern-\prevdepth\fi%
+      \nointerlineskip\expandafter\hbox%
+    \else%
+      \@maybe@unskip\expandafter\@firstofone%
+    \fi%
+    {\advance\dimen@\dp\@arstrutbox\vrule\@depth\dimen@\@width\z@}%
+  \fi%
+  \global\dimen\@ne\dimen@%
+  \cr%
+  \noalign{%
+    #1%
+    \ifdim\dimen\@ne<\z@\vskip\dimen\@ne\relax\fi%
+  }%
+  \@gobble%
+}
+\def\tab@setcr{\let\\\tabularnewline}
+\def\tab@cr#1#2#3{%
+  \relax%
+  \iffalse{\fi\ifnum0=`}\fi%
+  \@ifstar{\tab@cr@i{#1}{#3}}{\tab@cr@i{#1}{#2}}%
+}
+\def\tab@cr@i#1#2{%
+  \@ifnextchar[{\tab@cr@ii{#1}{#2}}{\tab@cr@ii{#1}{#2}[\z@]}%
+}
+\def\tab@cr@ii#1#2[#3]{%
+  \ifnum0=`{}\fi%
+  #1{#3}{#2}%
+}
+\begingroup
+\catcode`.=11
+\def\@tempa#1 #2 #3\@@{#1 #2}
+\xdef\ver@array.sty
+  {1995/11/19 [mdwtab.sty \expandafter\@tempa\ver@mdwtab.sty\@@]}
+\endgroup
+\def\tab@error{\PackageError{mdwtab}}
+\def\tab@err@misscol{%
+  \tab@error{Missing column type}{%
+    I'm lost.  I was expecting something describing^^J%
+    the type of the current column, but you seem to^^J%
+    have missed it out.  I've inserted a type `l'^^J%
+    column here in the hope that this makes sense.%
+  }%
+}
+\def\tab@err@oddgroup{%
+  \tab@error{Misplaced group in table preamble}{%
+    I've found an open brace character in your preamble^^J%
+    when I was expecting a specifier character.  I'm^^J%
+    going to gobble the whole group and carry on as if^^J%
+    I'd never seen it.%
+  }%
+}
+\def\tab@err@undef#1{%
+  \tab@error{Unknown `\tab@colset' preamble character `\string#1'}{%
+    I don't understand what you meant by typing this^^J%
+    character.  Anyway, I'll ignore it this time around.^^J%
+    Just don't you do it again.%
+  }%
+}
+\def\tab@err@unbrh{%
+  \tab@error{Can't use unboxed tabular in LR mode}{%
+    You've asked for a tabular or array environment with^^J%
+    `L', `C' or `R' as the position specifier, but you're^^J%
+    in LR (restricted horizontal) mode, so it won't work.^^J%
+    I'll assume you really meant `c' and soldier on.%
+  }%
+}
+\def\tab@err@unbmm{%
+  \tab@error{Can't use unboxed tabular in maths mode}{%
+    You've asked for a tabular or array environment with^^J%
+    `L', `C' or `R' as the position specifier, but you're^^J%
+    in maths mode, so it won't work.  I'll pretend that^^J%
+    you really typed `c', and that this is all a bad dream.%
+  }%
+}
+\def\tab@err@unbext{%
+  \tab@error{Can't extend unboxed tabulars}{%
+    You're trying to use kludgy extensions (e.g.,^^J%
+    `delarray') on an array or tabular with `L', `C'^^J%
+    or `R' as the position specifier.  I'll assume you^^J%
+    subconsciously wanted a `c' type all along.%
+  }%
+}
+\def\tab@err@multi{%
+  \tab@error{More than one column in a \protect\multicolumn}{%
+    You've put more than one column into a \string\multicolumn^^J%
+    descriptor.  It won't work.  I have no idea what^^J%
+    will happen, although it won't be pleasant.  Hold^^J%
+    on tight now...%
+  }%
+}
+\def\tab@err@range{%
+  \tab@error{Expected `,' or `<end>' in range list}{%
+    I was expecting either the end of the range list,^^J%
+    or a comma, followed by another range.  I've^^J%
+    inserted a comma to try and get me back on track.^^J%
+    Good luck.%
+  }%
+}
+%%
+%% footnote package -- Save footnotes around boxing environments
+%% Copyright (c) 1996 Mark Wooding
+%%
+\ifx\fn@notes\@@undefined%
+  \newbox\fn@notes%
+\fi
+\newdimen\fn@width
+\let\fn@colwidth\columnwidth
+\newif\if@savingnotes
+\def\fn@startnote{%
+  \hsize\fn@colwidth%
+  \interlinepenalty\interfootnotelinepenalty%
+  \reset@font\footnotesize%
+  \floatingpenalty\@MM% Is this right???
+  \@parboxrestore%
+  \protected@edef\@currentlabel{\csname p@\@mpfn\endcsname\@thefnmark}%
+  \color@begingroup%
+}
+\let\fn@endnote\color@endgroup
+\def\fn@fntext#1{%
+  \ifx\ifmeasuring@\@@undefined%
+    \expandafter\@secondoftwo\else\expandafter\@iden%
+  \fi%
+  {\ifmeasuring@\expandafter\@gobble\else\expandafter\@iden\fi}%
+  {%
+    \global\setbox\fn@notes\vbox{%
+      \unvbox\fn@notes%
+      \fn@startnote%
+      \@makefntext{%
+        \rule\z@\footnotesep%
+        \ignorespaces%
+        #1%
+        \@finalstrut\strutbox%
+      }%
+      \fn@endnote%
+    }%
+  }%
+}
+\def\savenotes{%
+  \begingroup%
+  \if@savingnotes\else%
+    \@savingnotestrue%
+    \let\@footnotetext\fn@fntext%
+    \let\@mpfootnotetext\fn@fntext%
+    \fn@width\columnwidth%
+    \let\fn@colwidth\fn@width%
+    \global\setbox\fn@notes\box\voidb@x%
+    \let\fn@thempfn\thempfn%
+    \let\fn@mpfn\@mpfn%
+    \ifx\@minipagerestore\relax\let\@minipagerestore\@empty\fi%
+    \expandafter\def\expandafter\@minipagerestore\expandafter{%
+      \@minipagerestore%
+      \let\thempfn\fn@thempfn%
+      \let\@mpfn\fn@mpfn%
+    }%
+  \fi%
+}
+\def\spewnotes{%
+  \endgroup%
+  \if@savingnotes\else\ifvoid\fn@notes\else\begingroup%
+    \let\@makefntext\@empty%
+    \let\@finalstrut\@gobble%
+    \let\rule\@gobbletwo%
+    \@footnotetext{\unvbox\fn@notes}%
+  \endgroup\fi\fi%
+}
+\let\endsavenotes\spewnotes
+%%
+%% doafter package -- insert a token really after a group
+%% Copyright (c) 1996 Peter Schmitt and Mark Wooding
+%%
+\let\@@aftergroup\aftergroup
+\def\doafter#1{%
+  \def\@tempa{\@@aftergroup#1}%
+  \afterassignment\doafter@i\let\@let@token%
+}
+\def\doafter@i{%
+  \@let@token%
+  \let\aftergroup\@my@aftergroup%
+  \@@aftergroup\@prepare@after\@tempa%
+}
+\def\ag@cnt@local{0 }
+\let\ag@cnt@global\ag@cnt@local
+\def\@my@aftergroup{%
+  \begingroup%
+    \count@\ag@cnt@local%
+    \advance\count@\@ne%
+    \xdef\ag@cnt@global{\the\count@\space}%
+  \endgroup%
+  \let\ag@cnt@local\ag@cnt@global%
+  \@@aftergroup\@after@token\@@aftergroup%
+}
+\def\@after@token{%
+  \@start@after@group%
+  \@after@token%
+}
+\def\@start@after@group{%
+  \begingroup%
+  \count@\ag@cnt@global%
+  \clubpenalty\ag@cnt@local%
+  \let\@after@token\@after@token@i%
+}
+\def\@after@token@i{%
+  \advance\count@\m@ne%
+  \ifnum\count@=\clubpenalty%
+    \global\let\ag@cnt@global\ag@cnt@local%
+    \expandafter\@after@aftertoken\expandafter\@after@all%
+  \else%
+    \expandafter\@@aftergroup%
+  \fi%
+}
+\let\@after@all\endgroup
+\def\@prepare@after{%
+  \ifx\ag@cnt@local\ag@cnt@global\else%
+    \expandafter\@prepare@after@i%
+  \fi%
+}
+\def\@prepare@after@i#1{%
+  \@start@after@group%
+  \def\@after@all{\@@aftergroup#1\endgroup}%
+}
+\def\@after@aftertoken#1{%
+  \let\bgroup\relax\let\egroup\relax%
+  \toks@{#1}%
+  \futurelet\@let@token\@after@aftertoken@i%
+}
+\def\@after@aftertoken@i{%
+  \ifcat\noexpand\@let@token{%
+    \@@aftergroup{%
+  \else\ifcat\noexpand\@let@token}%
+    \@@aftergroup}%
+  \else%
+    \def\@tempa##1{\@@aftergroup##1\the\toks@}%
+    \expandafter\expandafter\expandafter\@tempa%
+  \fi\fi%
+}
+\endinput
+%%
+%% End of file `mdwtab.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/sverb.sty b/Master/texmf-dist/tex/latex/mdwtools/sverb.sty
new file mode 100644
index 00000000000..ab804f59413
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/sverb.sty
@@ -0,0 +1,358 @@
+%%
+%% This is file `sverb.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% sverb.dtx  (with options: `package')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% sverb package -- handling of verbatim text
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{sverb}
+                [1996/05/08 1.3 Verbatim typesetting]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\def\@cspecials{%
+  \begingroup%
+  \catcode`|0%
+  \catcode`<1%
+  \catcode`>2%
+  \catcode`\{12%
+  \catcode`\}12%
+  \catcode`\\12%
+}
+\def\sv@startlisting{%
+  \def\par{\@@par\penalty\interlinepenalty}%
+  \@@par%
+  \leftskip\@totalleftmargin%
+  \obeylines%
+  \@noligs%
+  \let\do\@makeother\dospecials%
+  \verbatim@font%
+  \frenchspacing%
+  \@vobeyspaces%
+  \settabwidth%
+  \catcode9\active%
+  \lccode`\~9\lowercase{\let~\sv@vtab}%
+  \lccode`\~13\lowercase{\let~\vinput@cr}%
+  \interlinepenalty500%
+}
+\newdimen\svtab
+\def\settabwidth{\setbox\z@\hbox{\texttt{\space}}\svtab8\wd\z@}
+\def\sv@vtab{%
+  \hfill\egroup%
+  \@tempdima\wd\z@%
+  \divide\@tempdima\svtab%
+  \multiply\@tempdima\svtab%
+  \advance\@tempdima\svtab%
+  \wd\z@\@tempdima%
+  \leavevmode\box\z@%
+  \setbox\z@\hbox\bgroup%
+}
+\def\verbinput#1{%
+  \begin{listinglist}%
+  \listingsize%
+  \sv@startlisting%
+  \setbox\z@\hbox\bgroup%
+  \input{#1}%
+  \sv@stripspc%
+  \egroup%
+  \ifdim\wd\z@=\z@%
+    \ifhmode\par\fi%
+  \else%
+    \leavevmode\box\z@\par%
+  \fi%
+  \end{listinglist}%
+}
+\def\vinput@cr{%
+  \egroup%
+  \leavevmode\box\z@%
+  \par%
+  \setbox\z@\hbox\bgroup%
+}
+\newif\if@matched
+\def\matcher#1#2#3{%
+  \expandafter\def\csname\string#1$match\endcsname##1#2##2##3\end{%
+    \ifx##2\relax%
+      \@matchedfalse%
+    \else%
+      \@matchedtrue%
+    \fi%
+    #3{##1}%
+  }%
+  \expandafter\def\expandafter#1\expandafter##\expandafter1\expandafter{%
+    \csname\string#1$match\endcsname##1#2\relax\end%
+  }%
+}
+\def\sv@stripspc{%
+  \unpenalty%
+  \ifdim\lastskip=\z@\else%
+    \unskip\expandafter\sv@stripspc%
+  \fi%
+}
+\begingroup
+\catcode`\%=12
+\gdef\sv@percent#1#2\relax
+    {\ifx\check@percent\@@undefined
+                     \ifx#1\relax\def\@tempa{}\else
+                         \def\@tempa{#1#2}\fi\else
+                     \ifx#1\relax\def\@tempa{}\else
+                         \ifx#1%\def\@tempa{#2}\else
+                             \def\@tempa{#1#2}\fi\fi\fi}
+\endgroup
+\lccode`\~32
+\lccode`\!32
+\lowercase{%
+  \def\@isspaces#1{%
+    \ifx#1\relax%
+      \def\@tempb{\@tempswafalse}%
+    \else\ifx#1~%
+      \let\@tempb\@isspaces%
+    \else%
+      \def\@tempb##1\relax{}%
+    \fi\fi%
+    \@tempb%
+  }
+  \def\sv@safespc{%
+    \catcode32\active%
+    \def~{ }%
+  }
+}
+\def\sv@read#1#2#3{%
+  \begingroup%
+  \matcher\@match{#1}\sv@read@ii%
+  \catcode13\active%
+  \catcode32\active%
+  \@tempswafalse%
+  \lccode`\~13\lowercase{%
+    \def\sv@read@i##1~{\@match{##1}}%
+  }%
+  \def\sv@read@ii##1{%
+    \sv@percent##1\relax\relax%
+    \if@matched\@tempswafalse\fi%
+    \if@tempswa\else\@tempswatrue\expandafter\@isspaces\@tempa\relax\fi%
+    \if@tempswa%
+      \begingroup%
+      \expandafter#2\expandafter{\@tempa}%
+      \endgroup%
+    \fi%
+    \@tempswatrue%
+    \if@matched\def\@tempa{\endgroup#3}\else\let\@tempa\sv@read@i\fi%
+    \@tempa%
+  }%
+  \sv@read@i%
+}
+\begingroup
+\lccode`\<=`\{
+\lccode`\>=`\}
+\lccode`\|=`\\
+\lowercase{\endgroup
+\def\sv@readenv#1{%
+  \expandafter\expandafter\expandafter%
+    #1\expandafter\sv@readenv@i\@currenvir\@@%
+}
+\def\sv@readenv@i#1\@@{{|end<#1>}{\end{#1}}}
+}
+\def\sv@verbline#1{%
+  \setbox\z@\hbox{#1\sv@stripspc}%
+  \ifdim\wd\z@=\z@%
+    \if@matched\ifhmode\par\relax\fi\else\leavevmode\par\relax\fi%
+  \else%
+    \leavevmode\box\z@\par\relax%
+  \fi%
+}
+\newdimen\listingindent
+\AtBeginDocument{%
+  \ifdim\parindent=\z@\listingindent1em\else\listingindent\parindent\fi%
+}
+\ifx\listingsize\@@undefined
+  \let\listingsize\small
+\fi
+\def\listinglist{%
+  \list{}{%
+    \if@inlabel%
+      \leftmargin\z@%
+    \else%
+      \leftmargin\listingindent%
+    \fi%
+    \rightmargin\z@%
+    \labelwidth\z@%
+    \labelsep\z@%
+    \itemindent\z@%
+    \listparindent\z@%
+    \let\makelabel\relax%
+    \parsep\z@skip%
+  }%
+  \parfillskip\@flushglue%
+  \item\relax%
+}
+\let\endlistinglist\endlist
+\def\listing{%
+  \listinglist%
+  \listingsize%
+  \sv@readenv\sv@listing%
+}
+\def\sv@listing#1#2{%
+  \sv@startlisting%
+  \sv@read{#1}\sv@verbline{\endlistinglist#2}%
+}
+\expandafter\def\csname listing*\endcsname{%
+  \listinglist%
+  \listingsize%
+  \begingroup%
+  \@noligs%
+  \def\@tempa##1{\endgroup\sv@listing{##1}{\end{listing*}}}%
+  \@tempa%
+}
+\def\sv@ignore#1#2{%
+  \@bsphack%
+  \let\do\@makeother\dospecials%
+  \sv@read{#1}\@gobble{\@esphack#2}%
+}
+\def\ignore{\sv@readenv\sv@ignore}
+\def\ignoreenv#1{%
+  \expandafter\let\csname #1\endcsname\ignore%
+}
+\def\unignoreenv#1{%
+  \expandafter\def\csname #1\endcsname{\endgroup}%
+  \expandafter\def\csname end#1\endcsname%
+      {\begingroup\def\@currenvir{#1}}%
+}
+\newwrite\sv@writefile
+\def\sv@write#1#2{%
+  \begingroup%
+  \@bsphack%
+  \let\do\@makeother\dospecials%
+  \sv@safespc%
+  \sv@read{#1}\sv@writeline{\sv@endwrite#2}%
+}
+\def\sv@writeline#1{%
+  \immediate\write\sv@writefile{#1}%
+}
+\def\sv@endwrite{%
+  \@esphack%
+  \endgroup%
+}
+\def\verbwrite#1{%
+  \immediate\openout\sv@writefile#1\relax%
+  \sv@readenv\sv@write%
+}
+\def\endverbwrite{\immediate\closeout\sv@writefile}
+\expandafter\def\csname verbwrite*\endcsname#1#2{%
+  \immediate\openout\sv@writefile#2\relax%
+  \sv@write{#1}{\immediate\closeout\sv@writefile\end{verbwrite*}}%
+}
+\newcount\sv@nestcount
+\def\sv@demoname{demo\number\sv@nestcount.tmp}
+\def\sv@demo#1#2{%
+  \@ifnextchar[{\sv@demo@i{#1}{#2}}{\sv@demo@i{#1}{#2}[n]}%
+}
+\def\sv@demo@i#1#2[#3]#4{%
+  \advance\sv@nestcount by\@ne%
+  \immediate\openout\sv@writefile\sv@demoname\relax%
+  \sv@write{#1}{%
+    \immediate\closeout\sv@writefile%
+    \sv@dodemo{#2}{#3}{#4}%
+  }%
+}
+\def\demo{\sv@readenv\sv@demo}
+\expandafter\def\csname demo*\endcsname#1{\sv@demo{#1}{\end{demo*}}}
+\def\sv@demosmp{%
+  \begin{minipage}[t]{\@tempdima}%
+  \vskip8\p@%
+  \hrule\@height\z@%
+  \raggedright%
+  \vbox\bgroup%
+}
+\def\sv@demoemp{%
+    \par\unpenalty\unskip%
+  \egroup%
+  \vskip8\p@%
+  \hrule\@height\z@%
+  \end{minipage}%
+}
+\def\sv@dodemo#1#2#3{%
+  \begingroup%
+  \@tempdima\linewidth%
+  \advance\@tempdima-2em%
+  \hsize\@tempdima%
+  \if#2w%
+    \advance\@tempdima-2em%
+  \else%
+    \advance\@tempdima-3em%
+    \divide\@tempdima2%
+  \fi%
+  \par%
+  \setbox\z@\hbox{\strut\enspace#3\enspace\strut}%
+  \@tempdimb.5\dp\z@%
+  \advance\@tempdimb-.5\ht\z@%
+  \ht\z@\@tempdimb\dp\z@\@tempdimb%
+  \noindent\hskip1em\vtop{%
+    \hb@xt@\hsize{%
+      \hrulefill%
+      \raise\@tempdimb\box\z@%
+      \hrulefill%
+    }%
+    \nointerlineskip%
+    \hb@xt@\hsize{\vrule\@height5\p@\hfil\vrule\@height5\p@}%
+    \nointerlineskip%
+    \vskip-\parskip%
+    \noindent\hbox{}\hskip1em%
+    \sv@demosmp%
+    \catcode`\%14\relax%
+    \input{\sv@demoname}%
+    \sv@demoemp%
+    \if#2w%
+      \vskip8\p@\hrule\vskip8\p@%
+      \noindent\hbox{}%
+    \fi%
+    \hskip1em%
+    \sv@demosmp%
+    \listingindent\z@%
+    \verbinput\sv@demoname%
+    \sv@demoemp%
+    \par%
+    \nointerlineskip%
+    \hb@xt@\hsize{\vrule\@height5\p@\hfil\vrule\@height5\p@}%
+    \hrule%
+  }%
+  \endgroup%
+  \par%
+  \vskip\baselineskip%
+  #1%
+}
+\endinput
+%%
+%% End of file `sverb.sty'.
diff --git a/Master/texmf-dist/tex/latex/mdwtools/syntax.sty b/Master/texmf-dist/tex/latex/mdwtools/syntax.sty
new file mode 100644
index 00000000000..e1270dba470
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/mdwtools/syntax.sty
@@ -0,0 +1,817 @@
+%%
+%% This is file `syntax.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% syntax.dtx  (with options: `package')
+%% doafter.dtx  (with options: `macro')
+%% 
+%% IMPORTANT NOTICE
+%%
+%% syntax package -- typesetting syntax descriptions
+%% Copyright (c) 1996 Mark Wooding
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{syntax}
+                [1996/05/17 1.9 Syntax typesetting (MDW)]
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+%%
+\DeclareOption{rounded}{\sd@roundtrue}
+\DeclareOption{square}{\sd@roundfalse}
+\DeclareOption{nounderscore}{\@uscorefalse}
+\newif\ifsd@round
+\newif\if@uscore\@uscoretrue
+\ExecuteOptions{square}
+\ProcessOptions
+\def\addspecial#1{%
+  \remspecial{#1}%
+  \expandafter\def\expandafter\dospecials\expandafter{\dospecials\do#1}%
+  \expandafter\def\expandafter\@santize\expandafter{%
+    \@sanitize\@makeother#1}%
+}
+\def\remspecial#1{%
+  \def\do##1{\ifnum`#1=`##1 \else\noexpand\do\noexpand##1\fi}%
+  \edef\dospecials{\dospecials}%
+  \def\@makeother##1{\ifnum`#1=`##1 \else%
+    \noexpand\@makeother\noexpand##1\fi}%
+  \edef\@sanitize{\@sanitize}%
+  \def\@makeother##1{\catcode`##112}%
+}
+\def\underscore{%
+  \leavevmode%
+  \kern.06em%
+  \vbox{%
+    \hrule\@width.6em\@depth.4ex\@height-.34ex%
+  }%
+  \ifdim\fontdimen\@ne\font=\z@%
+    \kern.06em%
+  \fi%
+}
+\let\usc@builtindischyphen\-
+\def\@uscore.{%
+  \ifmmode%
+    \expandafter\@firstoftwo%
+  \else%
+    \expandafter\@secondoftwo%
+  \fi%
+  \sb%
+  {\textunderscore\@ifnextchar_{}{\usc@builtindischyphen}}%
+}
+\if@uscore
+  \AtBeginDocument{%
+    \catcode`\_\active%
+    \begingroup%
+    \lccode`\~`\_%
+    \lowercase{\endgroup\def~{\protect\@uscore.}}%
+  }
+\fi
+\expandafter\let\csname?\string\textunderscore\endcsname\underscore
+\def\shortverb#1{%
+  \@ifundefined{cc@\string#1}{%
+    \addspecial#1%
+    \begingroup%
+    \lccode`\~`#1%
+    \lowercase{%
+      \endgroup%
+      \expandafter\let\csname mn@\string#1\endcsname~%
+      \expandafter\edef\csname cc@\string#1\endcsname{%
+        \catcode`\noexpand#1\the\catcode`#1%
+        \let\noexpand~\expandafter\noexpand%
+          \csname mn@\string#1\endcsname%
+        \noexpand\remspecial\noexpand#1%
+        \let\csname cc@\string#1\endcsname\relax%
+      }%
+      \def~{\verb~\syn@ttspace}%
+    }%
+    \catcode`#1\active%
+  }{%
+    \PackageWarning{syntax}{Character `\expandafter\@gobble\string#1'
+                            is already a verbatim\MessageBreak
+                            delimiter}%
+  }%
+}
+\def\unverb#1{%
+  \@ifundefined{cc@\string#1}{%
+    \PackageWarning{syntax}{Character `\expandafter\@gobble\string#1'
+                            is not a verbatim\MessageBreak
+                            delimiter}%
+  }{%
+    \csname cc@\string#1\endcsname%
+  }%
+}
+\newcommand{\syntleft}{$\langle$\normalfont\itshape}
+\newcommand{\syntright}{$\rangle$}
+\newcommand{\ulitleft}{\normalfont\ttfamily\syn@ttspace\frenchspacing}
+\newcommand{\ulitright}{}
+\newcommand{\litleft}{`\bgroup\ulitleft}
+\newcommand{\litright}{\ulitright\egroup'}
+\def\synt#1{\mbox{\syntleft{#1\/}\syntright}}
+\def\lit{\@ifstar{\lit@i\ulitleft\ulitright}{\lit@i\litleft\litright}}
+\def\lit@i#1#2#3{\mbox{#1{#3\/}#2}}
+\def\syn@ttspace@{\spaceskip.35em\@plus.2em\@minus.15em\relax}
+\def\ttthinspace{\let\syn@ttspace\syn@ttspace@}
+\def\ttthickspace{\let\syn@ttspace\@empty}
+\ttthinspace
+\def\readupto#1#2#3{%
+  \bgroup%
+  \verb@eol@error%
+  \let\do\@makeother\dospecials%
+  #2%
+  \catcode`#1\active%
+  \lccode`\~`#1%
+  \gdef\verb@balance@group{\verb@egroup%
+     \@latex@error{\noexpand\verb illegal in command argument}\@ehc}%
+  \def\@vhook{\verb@egroup#3}%
+  \aftergroup\verb@balance@group%
+  \lowercase{\let~\@vhook}%
+}
+\def\syn@assist#1#2#3#4#5{%
+  \mbox\bgroup%
+  \chardef\\`\\%
+  \chardef\>`\>%
+  \chardef\'`\'%
+  \chardef\"`\"%
+  \chardef\ `\ %
+  \def\ch##1{\char`##1}%
+  \def\act##1{%
+    \catcode`##1\active%
+    \begingroup%
+    \lccode`\~`##1%
+    \lowercase{\endgroup\def~}%
+  }%
+  #1%
+  \begingroup%
+  \readupto#3{%
+    \catcode`\\0%
+    \catcode`\ 10%
+    #2%
+  }{%
+    \/\endgroup#4\egroup#5%
+  }%
+}
+\begingroup
+\catcode`\<\active
+\catcode`\|\active
+\catcode`\"\active
+\catcode`\`\active
+\gdef\syn@shorts#1#2{%
+  \def<{%
+    #1%
+    \syn@assist%
+      \syntleft%
+      {\act_{\@foundunderscore}}%
+      >%
+      \syntright%
+      {#2}%
+  }%
+  \def`{%
+    #1%
+    \syn@assist%
+      \litleft%
+      \relax%
+      '%
+      \litright%
+      {#2}%
+  }%
+  \def"{%
+    #1%
+    \syn@assist%
+      \ulitleft%
+      \relax%
+      "%
+      \ulitright%
+      {#2}%
+  }%
+  \def|{\textbar}%
+}
+\endgroup
+\def\syntaxShortcuts#1#2{%
+  \syn@shorts{#1}{#2}%
+  \addspecial\`%
+  \addspecial\<%
+  \addspecial\|%
+  \addspecial\"%
+  \catcode`\|\active%
+  \catcode`\<\active%
+  \catcode`\"\active%
+  \catcode`\`\active%
+}
+\def\synshorts{\syntaxShortcuts\relax\relax}
+\def\synshortsoff{%
+  \catcode`\|12%
+  \catcode`\<12%
+  \catcode`\"12%
+  \catcode`\`12%
+}
+\def\syntax#{\bgroup\syntaxShortcuts\relax\relax\let\@let@token}
+\newskip\grammarparsep
+  \grammarparsep8\p@\@plus\p@\@minus\p@
+\newdimen\grammarindent
+  \grammarindent2em
+\newcommand{\grammarlabel}[2]{%
+  \synt{#1} \hfill#2%
+}
+\def\gr@implitem<#1> #2 {%
+  \sbox\z@{\hskip\labelsep\grammarlabel{#1}{#2}}%
+  \strut\@@par%
+  \vskip-\parskip%
+  \vskip-\baselineskip%
+  \hrule\@height\z@\@depth\z@\relax%
+  \item[\unhbox\z@]%
+  \catcode`\<\active%
+}
+\let\gr@leftsq\[
+\let\gr@rightsq\]
+\def\[{\gr@leftsq}
+\def\]{\gr@rightsq}
+\newenvironment{grammar}{%
+  \list{}{%
+    \labelwidth\grammarindent%
+    \leftmargin\grammarindent%
+    \advance\grammarindent\labelsep
+    \itemindent\z@%
+    \listparindent\z@%
+    \parsep\grammarparsep%
+  }%
+  \let\\\@normalcr
+  \syntaxShortcuts\relax\relax%
+  \def\alt{\\\llap{\textbar\quad}}%
+  \def\gr@setpar{%
+    \def\par{%
+      \parshape\@ne\@totalleftmargin\linewidth%
+      \@@par%
+      \catcode`\<12%
+      \everypar{%
+        \everypar{}%
+        \catcode`\<\active%
+        \gr@implitem%
+      }%
+    }%
+  }%
+  \gr@setpar%
+  \par%
+  \def\gr@endsyntdiag]{\end{syntdiag}\gr@setpar\par}%
+  \def\[{\@ifnextchar[{\begin{syntdiag}\@gobble}\gr@leftsq}%
+  \def\]{\@ifnextchar]\gr@endsyntdiag\gr@rightsq}%
+}{%
+  \@newlistfalse%
+  \everypar{}%
+  \endlist%
+}
+\newskip\sdstartspace
+\newskip\sdendspace
+\newskip\sdmidskip
+\newskip\sdtokskip
+\newskip\sdfinalskip
+\newdimen\sdrulewidth
+\newdimen\sdcirclediam
+\newdimen\sdindent
+\dimendef\sd@lower\z@
+\dimendef\sd@upper\tw@
+\dimendef\sd@mid4
+\dimendef\sd@topcirc6
+\dimendef\sd@botcirc8
+\def\sd@setsize{%
+  \sd@mid\ht\strutbox%
+  \advance\sd@mid-\dp\strutbox%
+  \sd@mid.5\sd@mid%
+  \sd@upper\sdrulewidth%
+    \advance\sd@upper\sd@mid%
+  \sd@lower\sdrulewidth%
+    \advance\sd@lower-\sd@mid%
+  \sd@topcirc-.5\sdcirclediam%
+    \advance\sd@topcirc\sd@mid%
+  \sd@botcirc-.5\sdcirclediam%
+    \advance\sd@botcirc-\sd@mid%
+}
+\newcommand{\sdsize}{%
+  \small%
+}
+\newcommand{\sdlengths}{%
+  \setlength{\sdstartspace}{1em minus 10pt}%
+  \setlength{\sdendspace}{1em minus 10pt}%
+  \setlength{\sdmidskip}{0.5em plus 0.0001fil}%
+  \setlength{\sdtokskip}{0.25em plus 0.0001fil}%
+  \setlength{\sdfinalskip}{0.5em plus 10000fil}%
+  \setlength{\sdrulewidth}{0.2pt}%
+  \setlength{\sdcirclediam}{8pt}%
+  \setlength{\sdindent}{0pt}%
+}
+\newif\ifsd@base
+\newif\ifsd@top
+\newif\ifsd@toplayer
+\newif\ifsd@backwards
+\def\sd@err{\PackageError{syntax}}
+\def\sd@arrow{%
+  \ht\tw@\z@%
+  \dp\tw@\z@%
+  \raise\sd@mid\box\tw@%
+  \egroup%
+}
+\def\sd@rightarr{%
+  \bgroup%
+  \setbox\tw@\hbox{\kern-6\p@\@linefnt\char'55}%
+  \sd@arrow%
+}
+\def\sd@leftarr{%
+  \bgroup%
+  \raise\sd@mid\hbox{\@linefnt\char'33\kern-6\p@}%
+  \sd@arrow%
+}
+\def\sd@uparr{%
+  \bgroup%
+  \setbox\tw@\hb@xt@\z@{\kern-\sdrulewidth\@linefnt\char'66\hss}%
+  \setbox\tw@\hbox{\lower10\p@\box\tw@}%
+  \sd@arrow%
+}
+\def\sd@downarr{%
+  \bgroup%
+  \setbox\tw@\hb@xt@\z@{\kern-\sdrulewidth\@linefnt\char'77\hss}%
+  \sd@arrow%
+}
+\def\sd@circ#1{%
+  \@getcirc\sdcirclediam%
+  \advance\@tempcnta#1%
+  \setbox\tw@\hbox{\lower\sdrulewidth%
+    \hbox{\@circlefnt\char\@tempcnta}}%
+  \wd\tw@\z@%
+  \leavevmode%
+}
+\def\sd@tlcirc{{%
+  \sd@circ3%
+  \ht\tw@\sdrulewidth%
+  \dp\tw@.5\sdcirclediam%
+  \kern-\tw@\sdrulewidth%
+  \raise\sd@mid\box\tw@%
+  \kern.5\sdcirclediam%
+}}
+\def\sd@trcirc{{%
+  \sd@circ0%
+  \ht\tw@\sdrulewidth%
+  \dp\tw@.5\sdcirclediam%
+  \kern.5\sdcirclediam%
+  \raise\sd@mid\box\tw@%
+}}
+\def\sd@blcirc{{%
+  \sd@circ2%
+  \ht\tw@.5\sdcirclediam%
+  \dp\tw@\sdrulewidth%
+  \kern-\tw@\sdrulewidth%
+  \raise\sd@mid\box\tw@%
+  \kern.5\sdcirclediam%
+}}
+\def\sd@brcirc{{%
+  \sd@circ1%
+  \ht\tw@.5\sdcirclediam%
+  \dp\tw@\sdrulewidth%
+  \kern.5\sdcirclediam%
+  \raise\sd@mid\box\tw@%
+}}
+\def\sd@llc#1{%
+  \hb@xt@.5\sdcirclediam{%
+    \sd@rule\hskip.5\sdcirclediam%
+    \hss%
+    #1%
+  }%
+}
+\def\sd@rlc#1{%
+  \hb@xt@.5\sdcirclediam{%
+    #1%
+    \hss%
+    \sd@rule\hskip.5\sdcirclediam%
+  }%
+}
+\def\sd@rule{\leaders\hrule\@height\sd@upper\@depth\sd@lower}
+\def\sd@gap#1{%
+  \ifsd@base%
+    \skip@#1%
+      \divide\skip\z@\tw@%
+    \nobreak\sd@rule\hskip\skip@%
+    \discretionary{%
+      \sd@qarrow{->}%
+    }{%
+      \hbox{%
+        \sd@qarrow{>-}%
+        \sd@rule\hskip\sdstartspace%
+        \sd@rule\hskip3.5\p@%
+      }%
+    }{%
+    }%
+    \nobreak\sd@rule\hskip\skip@%
+  \else%
+    \sd@rule\hskip#1%
+  \fi%
+}
+\def\syntdiag{%
+  \syntaxShortcuts\sd@tok@i\sd@tok@ii%
+  \@ifnextchar[\syntdiag@i{\syntdiag@i[]}%
+}
+\def\syntdiag@i[#1]{%
+  \sdsize\sdlengths%
+  #1%
+  \sd@setsize%
+  \list{}{%
+    \leftmargin\sdindent%
+    \rightmargin\leftmargin%
+    \labelsep\z@%
+    \labelwidth\z@%
+  }%
+  \item[]%
+  \parfillskip\z@%
+  \noindent%
+  \sd@qarrow{>>-}%
+  \nobreak\sd@rule\hskip\sdstartspace%
+  \sd@basetrue%
+  \sloppy%
+  \interlinepenalty100%
+  \hyphenpenalty0%
+  \catcode`\ 9%
+  \catcode`\^^M9%
+  \def\gr@leftsq{\begin{stack}\\}%
+  \def\gr@rightsq{\end{stack}}%
+  \def\({\begin{stack}}%
+  \def\){\end{stack}}%
+  \def\<{\begin{rep}}%
+  \def\>{\end{rep}}%
+  \let\\\sd@newline%
+  \ignorespaces%
+}
+\def\endsyntdiag{%
+  \unskip%
+  \nobreak\sd@rule\hskip\sdmidskip%
+  \sd@rule\hskip\sdfinalskip%
+  \sd@qarrow{-><}%
+  \endlist%
+}
+\@namedef{syntdiag*}{%
+  \syntaxShortcuts\sd@tok@i\sd@tok@ii%
+  \@ifnextchar[\syntdiag@s@i{\syntdiag@s@i[]}%
+}
+\def\syntdiag@s@i[#1]{%
+  \@ifnextchar[{\syntdiag@s@ii{#1}}{\syntdiag@s@iii{#1}{\hbox}}%
+}
+\def\syntdiag@s@ii#1[#2]{\syntdiag@s@iii{#1}{\hb@xt@#2}}
+\def\syntdiag@s@iii#1#2{%
+  \leavevmode%
+  #2\bgroup%
+  \let\@@left\left%
+  \let\@@right\right%
+  \def\left##1{\def\sd@startarr{##1}}%
+  \def\right##1{\def\sd@endarr{##1}}%
+  \left{>-}\right{->}%
+  \sdsize\sdlengths%
+  #1%
+  \sd@setsize%
+  \let\left\@@left%
+  \let\right\@@right%
+  \sd@qarrow\sd@startarr%
+  \sd@rule\hskip\sdmidskip%
+  \sd@basefalse%
+  \catcode`\ 9%
+  \catcode`\^^M9%
+  \ignorespaces%
+}
+\@namedef{endsyntdiag*}{%
+  \unskip%
+  \sd@rule\hskip\sdmidskip%
+  \sd@rule\hskip\sdfinalskip%
+  \sd@qarrow\sd@endarr%
+  \egroup%
+}
+\def\sd@qarrow#1{%
+  \begingroup%
+  \lccode`\~=`\<\lowercase{\def~{<}}%
+  \hbox{\csname sd@arr@#1\endcsname}%
+  \endgroup%
+}
+\@namedef{sd@arr@>>-}{\sd@rightarr\kern-.5\p@\sd@rightarr\kern-\p@}
+\@namedef{sd@arr@>-}{\sd@rightarr\kern-\p@}
+\@namedef{sd@arr@->}{\sd@rightarr}
+\@namedef{sd@arr@-><}{\sd@rightarr\kern-\p@\sd@leftarr}
+\@namedef{sd@arr@...}{$\cdots$}
+\@namedef{sd@arr@-}{}
+\def\sd@newline{\@ifstar{\vadjust{\penalty\@M}\sd@nl@i}\sd@nl@i}
+\def\sd@nl@i{\@ifnextchar[\sd@nl@ii\sd@nl@iii}
+\def\sd@nl@ii[#1]{\vspace{#1}\sd@nl@iii}
+\def\sd@nl@iii{%
+  \nobreak\sd@rule\hskip\sdmidskip%
+  \sd@rule\hskip\sdfinalskip%
+  \kern-3\p@%
+  \sd@rightarr%
+  \newline%
+  \sd@rightarr%
+  \nobreak\sd@rule\hskip\sdstartspace%
+  \sd@rule\hskip3.5\p@%
+}
+\def\sdbox#1{%
+  \@tempskipa#1\relax%
+  \sd@gap\@tempskipa%
+  \setbox\z@\hbox\bgroup%
+    \begingroup%
+    \catcode`\ 10%
+    \catcode`\^^M5%
+    \synshortsoff%
+}
+\def\endsdbox{%
+    \endgroup%
+  \egroup%
+  \@tempdima\ht\z@%
+  \advance\@tempdima-\dp\z@%
+  \advance\@tempdima-\tw@\sd@mid%
+  \lower.5\@tempdima\box\z@%
+  \sd@gap\@tempskipa%
+}
+\def\sd@tok@i{%
+  \sdbox\sdtokskip%
+  \strut%
+  \space%
+}
+\def\sd@tok@ii{%
+  \space%
+  \endsdbox%
+}
+\def\tok#{%
+  \sdbox\sdtokskip%
+  \strut%
+  \enspace%
+  \syntaxShortcuts\relax\relax%
+  \doafter\sd@tok%
+}
+\def\sd@tok{%
+  \enspace%
+  \endsdbox%
+}
+\newcommand\stack[1][t]{%
+  \sd@gap\sdmidskip%
+  \begingroup\sd@basefalse%
+  \sd@toplayertrue%
+  \let\\\sd@stackcr%
+  \if#1t%
+    \let\@tempa\vtop%
+    \sd@toptrue%
+    \ifsd@round\llap{\sd@trcirc\kern\tw@\sdrulewidth}\fi%
+  \else\if#1b%
+    \let\@tempa\vbox%
+    \sd@topfalse%
+    \ifsd@round\llap{\sd@brcirc\kern\tw@\sdrulewidth}\fi%
+  \else%
+    \sd@err{Bad position argument passed to stack}%
+           {The positioning argument must be one of `t' or `b'.  I%
+            have^^Jassumed you meant to type `t'.}%
+    \let\@tempa\vtop%
+  \fi\fi%
+  \@tempa\bgroup%
+  \offinterlineskip%
+  \ialign\bgroup%
+    ##\cr%
+  \setbox\z@\hbox\bgroup%
+    \strut%
+}
+\def\endstack{%
+  \egroup%
+  \ifsd@toplayer%
+    \sd@dostack\sd@upper\sd@lower\relax\relax%
+  \else%
+    \ifsd@round%
+      \ifsd@top%
+        \sd@dostack{\ht\z@}\sd@botcirc\sd@blcirc\sd@brcirc%
+      \else%
+        \sd@dostack{\ht\z@}\sd@botcirc\relax\relax%
+      \fi%
+    \else%
+      \sd@dostack{\ht\z@}\sd@lower\relax\relax%
+    \fi%
+  \fi%
+  \egroup%
+  \egroup%
+  \ifsd@round%
+    \ifsd@top
+      \rlap{\kern\tw@\sdrulewidth\sd@tlcirc}%
+    \else%
+      \rlap{\kern\tw@\sdrulewidth\sd@blcirc}%
+    \fi%
+  \fi%
+  \endgroup\sd@gap\sdmidskip%
+}
+\def\sd@stackcr{%
+  \egroup%
+  \ifsd@toplayer%
+    \ifsd@round%
+      \ifsd@top%
+        \sd@dostack\sd@topcirc{\dp\z@}\relax\relax%
+      \else%
+        \sd@dostack\sd@topcirc{\dp\z@}\sd@tlcirc\sd@trcirc%
+      \fi%
+    \else%
+      \sd@dostack\sd@upper{\dp\z@}\relax\relax%
+    \fi%
+  \else%
+    \ifsd@round%
+      \ifsd@top%
+        \sd@dostack{\ht\z@}{\dp\z@}\sd@blcirc\sd@brcirc%
+      \else%
+        \sd@dostack{\ht\z@}{\dp\z@}\sd@tlcirc\sd@trcirc%
+      \fi%
+    \else%
+      \sd@dostack{\ht\z@}{\dp\z@}\relax\relax%
+    \fi%
+  \fi%
+  \sd@toplayerfalse%
+  \setbox\z@\hbox\bgroup%
+    \strut%
+}
+\def\sd@dostack#1#2#3#4{%
+  \@tempdima#1%
+  \@tempdimb#2%
+  \kern-\tw@\sdrulewidth%
+  \vrule\@height\@tempdima\@depth\@tempdimb\@width\tw@\sdrulewidth%
+  #3%
+  \sd@rule\hfill%
+  \sd@gap\sdtokskip%
+  \unhbox\z@%
+  \sd@gap\sdtokskip%
+  \sd@rule\hfill%
+  #4%
+  \vrule\@height\@tempdima\@depth\@tempdimb\@width\tw@\sdrulewidth%
+  \kern-\tw@\sdrulewidth%
+  \cr%
+}
+\newcommand\rep[1][t]{%
+  \sd@gap\sdmidskip%
+  \begingroup\sd@basefalse%
+  \ifsd@backwards\sd@backwardsfalse\else\sd@backwardstrue\fi%
+   \let\\\sd@loop%
+  \if#1t%
+    \let\@tempa\vbox%
+    \sd@toptrue%
+  \else\if#1b%
+    \let\@tempa\vtop%
+    \sd@topfalse%
+  \else%
+    \sd@err{Bad position argument passed to loop}%
+           {The positioning argument must be `t' or `b'.  I have^^J%
+            assumed you meant to type `t'.}%
+    \let\@tempa\vbox%
+    \sd@toptrue%
+  \fi\fi%
+  \@tempa\bgroup%
+  \setbox\tw@\copy\strutbox%
+  \setbox\z@\hbox\bgroup\strut%
+}
+\def\endrep{%
+  \egroup%
+  \ifsd@top%
+    \ifsd@round%
+      \sd@doloop\tw@\z@\relax\relax%
+        \sd@tlcirc\sd@trcirc{\sd@rlc\sd@blcirc}{\sd@llc\sd@brcirc}%
+    \else%
+      \sd@doloop\tw@\z@\relax\sd@downarr\relax\relax\relax\relax%
+    \fi%
+  \else%
+    \ifsd@round%
+      \sd@doloop\z@\tw@\relax\relax%
+        {\sd@rlc\sd@tlcirc}{\sd@llc\sd@trcirc}\sd@blcirc\sd@brcirc%
+    \else%
+      \sd@doloop\z@\tw@\sd@uparr\relax\relax\relax\relax\relax%
+    \fi%
+  \fi%
+  \egroup%
+  \endgroup\sd@gap\sdmidskip%
+}
+\def\sd@loop{%
+  \egroup%
+  \def\\{\sd@err{Too many \string\\\space commands in loop}\@ehc}%
+  \setbox\tw@\hbox\bgroup\strut%
+}
+\def\sd@doloop#1#2#3#4#5#6#7#8{%
+  \@tempdima\dp#1\relax%
+  \@tempdimb\ht#2\relax%
+  \offinterlineskip%
+  \ialign{%
+    ##\cr%
+    \ifsd@round%
+      \sd@doloop@i#1#3\sd@topcirc\@tempdima{#5}{#6}%
+      \sd@doloop@i#2#4\@tempdimb\sd@botcirc{#7}{#8}%
+    \else%
+      \sd@doloop@i#1#3\sd@upper\@tempdima{#5}{#6}%
+      \sd@doloop@i#2#4\@tempdimb\sd@lower{#7}{#8}%
+    \fi%
+  }%
+}
+\def\sd@doloop@i#1#2#3#4#5#6{%
+  \ifsd@backwards#2\fi%
+  \kern-\tw@\sdrulewidth%
+  \vrule\@height#3\@depth#4\@width\tw@\sdrulewidth%
+  #5%
+  \sd@rule\hfill%
+  \sd@gap\sdtokskip%
+  \unhbox#1%
+  \sd@gap\sdtokskip%
+  \sd@rule\hfill%
+  #6%
+  \vrule\@height#3\@depth#4\@width\tw@\sdrulewidth%
+  \ifsd@backwards\else#2\fi%
+  \kern-\tw@\sdrulewidth%
+  \cr%
+}
+%%
+%% doafter package -- insert a token really after a group
+%% Copyright (c) 1996 Peter Schmitt and Mark Wooding
+%%
+\let\@@aftergroup\aftergroup
+\def\doafter#1{%
+  \def\@tempa{\@@aftergroup#1}%
+  \afterassignment\doafter@i\let\@let@token%
+}
+\def\doafter@i{%
+  \@let@token%
+  \let\aftergroup\@my@aftergroup%
+  \@@aftergroup\@prepare@after\@tempa%
+}
+\def\ag@cnt@local{0 }
+\let\ag@cnt@global\ag@cnt@local
+\def\@my@aftergroup{%
+  \begingroup%
+    \count@\ag@cnt@local%
+    \advance\count@\@ne%
+    \xdef\ag@cnt@global{\the\count@\space}%
+  \endgroup%
+  \let\ag@cnt@local\ag@cnt@global%
+  \@@aftergroup\@after@token\@@aftergroup%
+}
+\def\@after@token{%
+  \@start@after@group%
+  \@after@token%
+}
+\def\@start@after@group{%
+  \begingroup%
+  \count@\ag@cnt@global%
+  \clubpenalty\ag@cnt@local%
+  \let\@after@token\@after@token@i%
+}
+\def\@after@token@i{%
+  \advance\count@\m@ne%
+  \ifnum\count@=\clubpenalty%
+    \global\let\ag@cnt@global\ag@cnt@local%
+    \expandafter\@after@aftertoken\expandafter\@after@all%
+  \else%
+    \expandafter\@@aftergroup%
+  \fi%
+}
+\let\@after@all\endgroup
+\def\@prepare@after{%
+  \ifx\ag@cnt@local\ag@cnt@global\else%
+    \expandafter\@prepare@after@i%
+  \fi%
+}
+\def\@prepare@after@i#1{%
+  \@start@after@group%
+  \def\@after@all{\@@aftergroup#1\endgroup}%
+}
+\def\@after@aftertoken#1{%
+  \let\bgroup\relax\let\egroup\relax%
+  \toks@{#1}%
+  \futurelet\@let@token\@after@aftertoken@i%
+}
+\def\@after@aftertoken@i{%
+  \ifcat\noexpand\@let@token{%
+    \@@aftergroup{%
+  \else\ifcat\noexpand\@let@token}%
+    \@@aftergroup}%
+  \else%
+    \def\@tempa##1{\@@aftergroup##1\the\toks@}%
+    \expandafter\expandafter\expandafter\@tempa%
+  \fi\fi%
+}
+\endinput
+%%
+%% End of file `syntax.sty'.