%% 
%% This is file `doc.sty', generated 
%% on <1993/9/27> with the docstrip utility (2.0r).
%% 
%% The original source files were:
%% 
%% doc.doc  (with options: `style,multicol')
%% 
%% Copyright (C) 1989-1992 by Frank Mittelbach. All rights reserved. 
%% 
%% This file is part of the doc package. 
%% 
%% IMPORTANT NOTICE: 
%% 
%% You are not allowed to change this file. You may however copy 
%% this file to a file with a different name and then change the 
%% copy if you obey the restrictions on file changes described in 
%% readme.mz. 
%% 
%% You are NOT ALLOWED to distribute this file alone. You are NOT 
%% ALLOWED to take money for the distribution or use of this file 
%% (or a changed version) except for a nominal charge for copying 
%% etc. 
%% 
%% You are allowed to distribute this file under the condition that 
%% it is distributed together with all files mentioned in 
%% readme.mz0. 
%% 
%% If you receive only some of these files from someone, complain! 
%% 
%% However, if these files are distributed by established suppliers 
%% as part of a complete TeX distribution, and the structure of the 
%% distribution would make it difficult to distribute the whole set 
%% of files, *those parties* are allowed to distribute only some of 
%% the files provided that it is made clear that the user will get 
%% a complete distribution-set upon request to that supplier (not 
%% me). Notice that this permission is not granted to the end 
%% user. 
%% 
%% 
%% For error reports in case of UNCHANGED versions see readme.mz 
%% 
%% 

\def\fileversion{v1.7k}
\def\filedate{92/08/24}
\def\docdate {92/08/28}

%% \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         \~}
%%

%% Copyright (C) 1989-1992 Frank Mittelbach, all rights reserved.
%%% \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         \~}
%%%
\@ifundefined{macro@cnt}{}{\endinput} \typeout{Style-Option: `doc'
\fileversion \@spaces\space\space <\filedate> (FMi)} \typeout{English
   Documentation \@spaces\@spaces\space <\docdate> (DLo, FMi, RMCS)}
\catcode`\^^A=14
\def\macrocode{\macro@code
   \frenchspacing \@vobeyspaces
   \xmacro@code}
\def\macro@code{%
   \topsep \MacrocodeTopsep
   \@beginparpenalty \predisplaypenalty
   \trivlist \parskip \z@ \item[]%
   \macro@font
   \leftskip\@totalleftmargin \advance\leftskip\MacroIndent
   \rightskip\z@ \parindent\z@ \parfillskip\@flushglue
   \blank@linefalse \def\par{\ifblank@line
                             \leavevmode\fi
                             \blank@linetrue\@@par
                             \penalty\interlinepenalty}
   \obeylines \let\do\@makeother \catcode`\`\active \@noligs \dospecials
   \global\@newlistfalse
   \global\@minipagefalse
   \ifcodeline@index
     \everypar{\global\advance\c@CodelineNo\@ne
               \llap{\theCodelineNo\ \hskip\@totalleftmargin}%
               \check@module}%
   \else \everypar{\check@module}%
   \fi
   \init@crossref}
\newif\ifblank@line
\def\endmacrocode{%
                 \ifpm@module \endgroup \pm@modulefalse \fi
                 \everypar{}%
                 \global\@inlabelfalse
                 \endtrivlist
                 \close@crossref}
\@ifundefined{MacroFont}{%
  \ifx\undefined\selectfont
    \def\MacroFont{\small\tt}\else
    \def\MacroFont{\math@fontsfalse\reset@font\small\tt}\fi
  }{}
\@ifundefined{AltMacroFont}{%
  \ifx\undefined\selectfont
    \def\AltMacroFont{\small\tt}\else
    \def\AltMacroFont{\math@fontsfalse\small\reset@font\it\tt}\fi
  }{}
\let\macro@font=\MacroFont
\def\check@module{%
  \ifcheck@modules
    \ifpm@module \endgroup \pm@modulefalse \fi
    \expandafter\futurelet\expandafter\next\expandafter\ch@percent
  \fi}
\newif\ifpm@module
\def\DontCheckModules{\check@modulesfalse}
\def\CheckModules{\check@modulestrue}
\newif\ifcheck@modules  \check@modulestrue
\def\ch@percent{%
  \if \percentchar\next
    \expandafter\check@angle
  \fi}
\def\check@angle#1{\futurelet\next\ch@angle}
\def\ch@angle{\if<\next
    \expandafter\ch@plus@etc
  \else \percentchar \fi}
\def\ch@plus@etc<{\futurelet\next\check@plus@etc}
\def\check@plus@etc{%
    \if +\next
      \let\next\pm@module
    \else\if -\next
      \let\next\pm@module
    \else\if *\next
      \let\next\star@module
    \else\if /\next
      \let\next\slash@module
    \else
      \let\next\pm@module
    \fi\fi\fi\fi
    \next}
\def\pm@module#1>{\pm@moduletrue
   \Module{#1}\begingroup
     \advance\guard@level\@ne
     \ifnum\guard@level>\c@StandardModuleDepth\AltMacroFont\fi
}
\def\star@module#1>{%
  \Module{#1}%
  \global \advance \guard@level\@ne
  \ifnum \guard@level>\c@StandardModuleDepth
    \global\let\macro@font=\AltMacroFont \macro@font
  \fi}
\def\slash@module#1>{%
  \Module{#1}%
  \global \advance \guard@level\m@ne
  \ifnum \guard@level=\c@StandardModuleDepth
    \global\let\macro@font\MacroFont  \macro@font
  \fi
}
\newcounter{StandardModuleDepth}
\newcount \guard@level
\@ifundefined{Module}{%
  \ifx\undefined\selectfont
    \def\Module#1{{\mod@math@codes$\fam\sffam\langle #1\rangle$}}
  \else
    \expandafter\ifx\csname ds@oldlfont\endcsname\relax
      \def\Module#1{{\mod@math@codes$\langle\sfmath{#1}\rangle$}}
    \else
      \def\Module#1{{\mod@math@codes$\langle{\sfmath #1}\rangle$}}
    \fi
  \fi}{}
\def\mod@math@codes{\mathcode`\|="226A \mathcode`\&="2026}
\ifx\selectfont\undefined
\else
  \ifx\sfmath\undefined
    \newmathalphabet*{\sfmath}{\sfdefault}{m}{n}\fi
\fi
\newskip\MacrocodeTopsep \MacrocodeTopsep = 3pt plus 1.2pt minus 1pt
\newdimen\MacroIndent
\settowidth\MacroIndent{\rm\scriptsize 00\ }
\@namedef{macrocode*}{\macro@code\sxmacro@code}
\expandafter\let\csname endmacrocode*\endcsname = \endmacrocode
\catcode`\!=\catcode`\%   ^^A In this section there must not be
                              ^^A any exclamation marks.
                              ^^A
\begingroup
\catcode`\|=\z@ \catcode`\[=\@ne \catcode`\]=\tw@
\catcode`\{=12 \catcode`\}=12
\catcode`\%=12 \catcode`\ =\active \catcode`\\=\active
!%    \end{macrocode*}
!    Next follows the actual definition of  \verb+\macro@code+;
!    notice the
!    use of the new escape character.  We manage to get the argument
!    surrounded by the string \verb+\end{macrocode}+, but at the end
!    however, in spite of the actual characters used during the
!    definition of
!    this macro, \verb+\end+ with the argument \verb+{macrocode}+
!    will be executed, to ensure a balanced environment.
!    \begin{macrocode*}
|gdef|xmacro@code#1%    \end{macrocode}[#1|end[macrocode]]
!%    \end{macrocode*}
! \begin{macro}{\sxmacro@code}
!    The definition of \verb+\sxmacro@code+ is completely analogous,
!    only
!    here a slightly different terminating string will be used.
!    Note that the space is not active in this environment.
!    \begin{macrocode}
|catcode`| =12
|gdef|sxmacro@code#1%    \end{macrocode*}[#1|end[macrocode*]]
!%    \end{macrocode}
!    because the \verb+\catcode+ changes have been made local by
!    commencing a
!    new group, there now follows the matching \verb+\endgroup+
!    in a rather
!    unusual style of writing.
!    \begin{macrocode}
|endgroup
!%    \end{macrocode}
\catcode`\!=12
\def\DescribeMacro{\leavevmode\@bsphack
   \begingroup\MakePrivateLetters\Describe@Macro}
\def\Describe@Macro#1{\endgroup
              \marginpar{\raggedleft\PrintDescribeMacro{#1}}%
              \SpecialUsageIndex{#1}\@esphack\ignorespaces}
\def\DescribeEnv{\leavevmode\@bsphack\begingroup\MakePrivateLetters
  \Describe@Env}
\def\Describe@Env#1{\endgroup
              \marginpar{\raggedleft\PrintDescribeEnv{#1}}%
              \SpecialEnvIndex{#1}\@esphack\ignorespaces}
\reversemarginpar
\setlength\marginparpush{0pt}  \setlength\marginparwidth{8pc}
{\catcode`\|=\z@ \catcode`\\=12
|gdef|bslash{\}}
\def\verbatim{\@beginparpenalty \predisplaypenalty \@verbatim
              \MacroFont \frenchspacing \@vobeyspaces \@xverbatim}
\@namedef{verbatim*}{\@beginparpenalty \predisplaypenalty \@verbatim
              \MacroFont \@sxverbatim}
\def\@verbatim{\trivlist \item[]\if@minipage\else\vskip\parskip\fi
      \leftskip\@totalleftmargin\rightskip\z@
      \parindent\z@\parfillskip\@flushglue\parskip\z@
      \@@par
      \@tempswafalse
 \def\par{\if@tempswa\hbox{}\fi\@tempswatrue\@@par
          \penalty\interlinepenalty
   \check@percent}%
 \obeylines \catcode`\`\active \@noligs \let\do\@makeother
 \dospecials}
{\catcode`\%=12
 \long\gdef\check@percent#1{\ifx #1%\let\next\@empty \else
                                    \let\next=#1\fi \next}}
\begingroup
  \lccode`\~=`\^^M
  \lowercase{%
    \gdef\verb{\relax
      \ifmmode \hbox \else \leavevmode\null \fi
      \bgroup
      \tt   \catcode`\`\active \@noligs
      \let~\verb@err
      \catcode`\^^M\active
      \let\do\@makeother \dospecials
      \@ifstar\@sverb{\@vobeyspaces \frenchspacing \@sverb}}}
\endgroup
\def\verb@err{\egroup\@latexerr{\string\verb\space
               command ended by end of line.}\@ehc}
\def\@sverb#1{%
  \catcode`#1\active  \lccode`\~`#1%
  \lowercase{\let~\egroup}}
\newcount\macro@cnt \macro@cnt=0
\newcount\macro@level \macro@level=0
\def\macro{%
   \ifnum\macro@level=\z@ \begingroup \fi
   \catcode`\\12
   \MakePrivateLetters \m@cro@}
\long\def\m@cro@#1{\endgroup \topsep\MacroTopsep \trivlist
   \advance\macro@level\@ne
   \edef\saved@macroname{\string#1}%
  \def\makelabel##1{\llap{##1}}%
  \if@inlabel
    \let\@tempa\@empty \count@\macro@cnt
    \loop \ifnum\count@>\z@
      \edef\@tempa{\@tempa\hbox{\strut}}\advance\count@\m@ne \repeat
    \edef\makelabel##1{\llap{\vtop to\baselineskip
                               {\@tempa\hbox{##1}\vss}}}%
    \advance \macro@cnt \@ne
  \else  \macro@cnt\@ne  \fi
  \edef\@tempa{\noexpand\item[\noexpand\PrintMacroName{\string#1}]}%
  \@tempa
  {\advance\c@CodelineNo\@ne\SpecialMainIndex{#1}\nobreak}%
  \DoNotIndex{#1}%
  \ignorespaces}
\def\endmacro{%
   \endtrivlist
   \ifnum\macro@level>\@ne \advance\macro@level\m@ne \begingroup \fi}
\newskip\MacroTopsep     \MacroTopsep = 7pt plus 2pt minus 2pt
\@ifundefined{PrintMacroName}
   {\def\PrintMacroName#1{\strut \MacroFont \string #1\ }}{}
\@ifundefined{PrintDescribeMacro}
   {\def\PrintDescribeMacro#1{\strut \MacroFont \string #1\ }}{}
\@ifundefined{PrintDescribeEnv}
   {\def\PrintDescribeEnv#1{\strut \MacroFont #1\ }}{}
\begingroup
\catcode`\~\active
\gdef\SpecialEscapechar#1{%
    \begingroup
     \uccode`\~`#1%
     \uppercase{\gdef\active@escape@char{~}}%
     \escapechar\m@ne  \xdef\special@escape@char{\string#1}%
   \endgroup}
\endgroup
\begingroup   \catcode`\|=\z@  \catcode`\\=\active
|gdef|init@crossref{|catcode`|\|active   |let\|bslash
    |MakePrivateLetters
    |catcode|expandafter`|special@escape@char|active
    |expandafter|let|active@escape@char|scan@macro}
|endgroup
\SpecialEscapechar{\\}
\@ifundefined{MakePrivateLetters}
    {\let\MakePrivateLetters\makeatletter}{}
\def\close@crossref{\SpecialEscapechar\\}
\def\scan@macro{%
   \special@escape@char
   \step@checksum
   \ifscan@allowed
      \let\macro@namepart\@empty
      \def\next{\futurelet\next\macro@switch}%
   \else \let\next\@empty \fi
   \next}
\newif\ifscan@allowed    \scan@allowedtrue
\def\DisableCrossrefs{\@bsphack\scan@allowedfalse\@esphack}
\def\EnableCrossrefs{\@bsphack\scan@allowedtrue
                     \def\DisableCrossrefs{\@bsphack\@esphack}\@esphack}
\def\macro@switch{\ifcat\noexpand\next a%
     \let\next\macro@name
     \else \let\next\short@macro  \fi
   \next}
\def\short@macro#1{\begingroup
   \catcode`\&=11  \uccode`\&=\expandafter`\string#1%
   \uppercase{\def\macro@namepart{&}}%
   \endgroup
   \ifnot@excluded
     \produce@index{#1}\fi
    \scan@allowedfalse#1%
    \scan@allowedtrue }
\def\produce@index#1{%
  \if\noexpand#1\special@escape@char
     \scan@allowedfalse \it@is@a\special@escape@char \else
     \if\noexpand#1\bslash \it@is@a\bslash \else
       \if\noexpand#1\space \it@is@a\space \else
         \ifx#1\par
         \it@is@a\space \else
         \ifx#1\relax \else
           \if\noexpand#1\bgroup \LeftBraceIndex \else
             \if\noexpand#1\egroup \RightBraceIndex \else
               \if\noexpand#1\percentchar \PercentIndex \else
                 \it@is@a{\string#1}%
       \fi \fi \fi \fi \fi \fi \fi \fi}
\def\macro@name#1{\edef\macro@namepart{\macro@namepart#1}%
     \futurelet\next\more@macroname}
\def\more@macroname{\ifcat\noexpand\next a%
     \let\next\macro@name
     \else \let\next\macro@finish \fi
     \next}
\def\macro@finish{%
  \macro@namepart
  \ifnot@excluded
     \edef\@tempa{\noexpand\SpecialIndex{\bslash\macro@namepart}}%
     \@tempa  \fi}
\def\DoNotIndex{\begingroup \MakePrivateLetters
    \catcode`\\12
    \do@not@index}
\long\def\do@not@index#1{%
    \endgroup
    \addto@hook\index@excludelist{#1,}}
\long\def\addto@hook#1#2{#1\expandafter{\the#1#2}}
\newtoks\index@excludelist
\index@excludelist{}
\begingroup
\catcode`\|=0%
\catcode`\\=12
|gdef|ifnot@excluded{|expandafter
     |expanded@notin|expandafter{|expandafter
     \|macro@namepart,}{|the|index@excludelist}}
|endgroup
\def\expanded@notin#1#2{%
 \def\in@@##1#1##2##3\in@@{%
  \ifx\expanded@notin##2}%
 \expandafter\in@@#2#1\expanded@notin\in@@}
\@ifundefined{actualchar}{\def\actualchar{=}}{}
\@ifundefined{quotechar}{\def\quotechar{!}}{}
\@ifundefined{levelchar}{\def\levelchar{>}}{}
\@ifundefined{encapchar}{\def\encapchar{|}}{}
\@ifundefined{verbatimchar}{\def\verbatimchar{+}}{}
\def\SpecialIndex#1{\@bsphack\special@index{\expandafter\@gobble
                                      \string#1\actualchar
      \string\verb\quotechar*\verbatimchar\string#1\verbatimchar}%
    \@esphack}

\def\SpecialMainIndex#1{\@bsphack\special@index{\expandafter\@gobble
                                        \string#1\actualchar
                                        \string\verb
                                        \quotechar*\verbatimchar
                                        \string#1\verbatimchar
                                        \encapchar main}%
                        \@esphack}
\def\SpecialUsageIndex#1{\@bsphack\index{\expandafter\@gobble\string#1%
    \actualchar\string\verb\quotechar*\verbatimchar
    \string#1\verbatimchar
    \encapchar usage}\@esphack}
\def\SpecialEnvIndex#1{\@bsphack
    \index{#1\actualchar{\tt #1} (environment)\encapchar usage}%
    \index{environments:\levelchar{\tt #1}\encapchar usage}\@esphack}
\def\SortIndex#1#2{\index{#1\actualchar#2}}
\def\it@is@a#1{\special@index{\quotechar #1\actualchar
                          \string\verb\quotechar*\verbatimchar
                          \quotechar\bslash\quotechar#1\verbatimchar}}
\@ifundefined{LeftBraceIndex}{\def\LeftBraceIndex{%
   \special@index{\bgroup\actualchar\string\verb\quotechar*\verbatimchar
          \quotechar\bslash{\verbatimchar\string\iffalse}\string\fi}}}{}

\@ifundefined{RightBraceIndex}{\def\RightBraceIndex{%
 \special@index{\egroup\actualchar\string\iffalse{\string\fi\string\verb
           \quotechar*\verbatimchar\quotechar\bslash}\verbatimchar}}}{}
\@ifundefined{PercentIndex}
  {\def\PercentIndex{\it@is@a\percentchar}}{}
\def\OldMakeindex{\def\PercentIndex{%
    \special@index{\quotechar\percentchar\actualchar\string\verb
           \quotechar*\verbatimchar\quotechar\bslash
           \percentchar\percentchar\verbatimchar}}}
{\catcode`\%=12 \gdef\percentchar{%}}
\newif\ifhave@multicol
\openin\@ne multicol.sty
\ifeof\@ne \else \have@multicoltrue \fi
\closein\@ne \relax
\have@multicoltrue
\ifhave@multicol \input{multicol.sty} \fi
\newdimen\IndexMin         \IndexMin       = 80pt
\newcount\c@IndexColumns   \c@IndexColumns = 3
\ifhave@multicol
  \renewenvironment{theindex}
    {\begin{multicols}\c@IndexColumns[\index@prologue][\IndexMin]%
      \IndexParms \let\item\@idxitem \ignorespaces}%
    {\end{multicols}}
\else
  \typeout{Can't find multicols.sty -- will use normal index layout if
     necessary.}
  \def\theindex{\@restonecoltrue\if@twocolumn\@restonecolfalse\fi
    \columnseprule \z@  \columnsep 35\p@
    \twocolumn[\index@prologue]%
    \IndexParms \let\item\@idxitem \ignorespaces}
  \def\endtheindex{\if@restonecol\onecolumn\else\clearpage\fi}
\fi
\long\def\IndexPrologue#1{\@bsphack\def\index@prologue{#1}\@esphack}
\@ifundefined{index@prologue}
     {\def\index@prologue{\section*{Index}%
                 \markboth{Index}{Index}%
                 The italic numbers denote the pages where the
                 corresponding entry is described,
                 numbers underlined point to the definition,
                 all others indicate the places where it is used.
                 }}{}
\@ifundefined{IndexParms}
    {\def\IndexParms{%
       \parindent \z@
       \columnsep 15pt
       \parskip 0pt plus 1pt
       \rightskip 15pt
       \mathsurround \z@
       \parfillskip=-15pt
        \small
       \def\@idxitem{\par\hangindent 30pt}%
       \def\subitem{\@idxitem\hspace*{15pt}}%
       \def\subsubitem{\@idxitem\hspace*{25pt}}%
       \def\indexspace{\par\vspace{10pt plus 2pt minus 3pt}}%
      }}{}
\def\efill{\hfill\nopagebreak}%
\def\dotfill{\leaders\hbox to.6em{\hss .\hss}\hskip\z@ plus  1fill}%
\def\dotfil{\leaders\hbox to.6em{\hss .\hss}\hfil}%
\def\pfill{\unskip~\dotfill\penalty500\strut\nobreak
               \dotfil~\ignorespaces}%
\def\*{\leavevmode\lower.8ex\hbox{$\,\widetilde{\ }\,$}}
\@ifundefined{main}{\def\main#1{\underline{#1}}}{}
\@ifundefined{usage}{\def\usage#1{{\it #1}}}{}
\def\PrintIndex{\@input{\jobname.ind}}
\def\printindex{\typeout{\string\printindex\space is obsolete!}%
                \typeout{Please use \string\PrintIndex\space
                         if you are a macro implementor^^J
                         or get a newer version of the documented
                         software if you are a user}%
                \PrintIndex}
\def\changes{\@bsphack\begingroup\@sanitize
   \catcode`\\\z@ \catcode`\ 10 \MakePercentIgnore
   \changes@}
\def\changes@#1#2#3{%
  \def\protect##1{\string##1\space}%
  \edef\@tempa{\noexpand\glossary{#1\levelchar
                                 \expandafter\@gobble
                                 \saved@macroname\actualchar
                                 \string\verb\quotechar*%
                                 \verbatimchar\saved@macroname
                                 \verbatimchar:\levelchar #3}}%
  \@tempa\endgroup\@esphack}
\def\saved@macroname{"General"}
\let\RecordChanges\makeglossary
\newdimen\GlossaryMin         \GlossaryMin       = 80pt
\newcount\c@GlossaryColumns   \c@GlossaryColumns = 2
\ifhave@multicol
  \newenvironment{theglossary}{%
    \begin{multicols}\c@GlossaryColumns
                     [\glossary@prologue][\GlossaryMin]%
    \GlossaryParms \let\item\@idxitem \ignorespaces}%
   {\end{multicols}}
\else
  \newenvironment{theglossary}{%
      \@restonecoltrue\if@twocolumn\@restonecolfalse\fi
      \columnseprule \z@  \columnsep 35\p@
      \twocolumn[\glossary@prologue]%
      \GlossaryParms \let\item\@idxitem \ignorespaces}
    {\if@restonecol\onecolumn\else\clearpage\fi}
\fi
\long\def\GlossaryPrologue#1{\@bsphack
                             \def\glossary@prologue{#1}%
                             \@esphack}
\@ifundefined{glossary@prologue}
     {\def\glossary@prologue{\section*{{Change History}}%
                 \markboth{{Change History}}{{Change History}}%
                 }}{}
\@ifundefined{GlossaryParms}{\let\GlossaryParms\IndexParms}{}
\def\PrintChanges{\@input{\jobname.gls}}
\long\def\StopEventually#1{\@bsphack\gdef\Finale{#1%
              \check@checksum}%
           \init@checksum
           \@esphack}
\def\OnlyDescription{\@bsphack\long\def\StopEventually##1{%
           ##1\endinput}\@esphack}
\begingroup
\obeyspaces%
\catcode`\^^M\active%
\gdef\meta{\begingroup\obeyspaces\catcode`\^^M\active%
\let^^M\do@space\let \do@space%
\def\-{\egroup\discretionary{-}{}{}\hbox\bgroup\it}%
\m@ta}%
\endgroup
\def\m@ta#1{\leavevmode\hbox\bgroup$\langle$\it#1\/$\rangle$\egroup
    \endgroup}
\def\do@space{\egroup\space
    \hbox\bgroup\it\futurelet\next\sp@ce}
\def\sp@ce{\ifx\next\do@space\expandafter\sp@@ce\fi}
\def\sp@@ce#1{\futurelet\next\sp@ce}
\def\IndexInput#1{%
     \begingroup \macro@code
   \frenchspacing \@vobeyspaces
     \input{#1}\endmacrocode
     \endgroup}
\def\maketitle{\par
      \begingroup \def \thefootnote {\fnsymbol {footnote}}%
      \setcounter {footnote}\z@
      \def \@makefnmark {\hbox to \z@{$^{\@thefnmark }$\hss }}%
      \if@twocolumn \twocolumn [\@maketitle ]%
      \else \newpage \global \@topnum \z@ \@maketitle \fi
       \thispagestyle{titlepage}\@thanks \endgroup
      \setcounter {footnote}\z@
      \gdef\@date{\today}\gdef\@thanks{}%
      \gdef\@author{}\gdef\@title{}}
\@ifundefined{ps@titlepage}
    {\let\ps@titlepage=\ps@plain}{}
\def\MakeShortVerb#1{%
  \typeout{*** Made \expandafter\@gobble\string#1\space a short
           reference for \string\verb \on@line\space ***}%
  \add@special{#1}%
  \expandafter
  \xdef\csname cc\string#1\endcsname{\the\catcode`#1}%
  \begingroup
    \catcode`\~\active  \lccode`\~`#1%
    \lowercase{%
    \global\expandafter\let
       \csname ac\string#1\endcsname~%
    \gdef~{\verb~}}%
  \endgroup
  \global\catcode`#1\active}
\def\DeleteShortVerb#1{%
  \expandafter\ifx\csname cc\string#1\endcsname\relax
  \else
    \typeout{*** Deleted \expandafter\@gobble\string#1\space as short
             reference for \string\verb \on@line\space ***}%
    \rem@special{#1}%
    \global\catcode`#1\csname cc\string#1\endcsname
    \ifnum\catcode`#1=\active
      \begingroup
        \catcode`\~\active   \lccode`\~`#1%
        \lowercase{%
          \global\expandafter\let\expandafter~%
          \csname ac\string#1\endcsname}%
      \endgroup \fi \fi}
\def\add@special#1{%
  \rem@special{#1}%
  \expandafter\gdef\expandafter\dospecials\expandafter
    {\dospecials \do #1}%
  \expandafter\gdef\expandafter\@sanitize\expandafter
    {\@sanitize \@makeother #1}}
\def\rem@special#1{%
  \def\do##1{%
    \ifnum`#1=`##1 \else \noexpand\do\noexpand##1\fi}%
  \xdef\dospecials{\dospecials}%
  \begingroup
    \def\@makeother##1{%
      \ifnum`#1=`##1 \else \noexpand\@makeother\noexpand##1\fi}%
    \xdef\@sanitize{\@sanitize}%
  \endgroup}
\def\MakeShortverb{\typeout{*** Switch to \noexpand\MakeShortVerb
                         syntax, this is obsolete ***}\MakeShortVerb}
\def\DeleteShortverb{\typeout{*** Switch to \noexpand\DeleteShortVerb
                         syntax, this is obsolete ***}\DeleteShortVerb}
\def\init@checksum{\relax
    \global\bslash@cnt\z@}
\def\check@checksum{\relax
     \ifnum\check@sum=\z@
       \typeout{**********************************}%
       \typeout{* This macro file has no checksum!}%
       \typeout{* The checksum should be \the\bslash@cnt!}%
       \typeout{**********************************}%
     \else
       \ifnum\check@sum=\bslash@cnt
         \typeout{*******************}%
         \typeout{* Checksum passed *}%
         \typeout{*******************}%
       \else
         \errhelp\wrong@checksum
         \errmessage{Checksum not passed
                    (\the\check@sum<>\the\bslash@cnt)}%
        \fi
     \fi
     \global\check@sum\z@}
\newcount\check@sum           \check@sum  = \z@
\newcount\bslash@cnt          \bslash@cnt = \z@
\newhelp\wrong@checksum
   {The currently documented file seems to be wrong.^^J%
    Try to get a correct version.}%
\def\CheckSum#1{\@bsphack\global\check@sum#1\relax\@esphack}
\def\step@checksum{\global\advance\bslash@cnt\@ne}
\def\CharacterTable{\begingroup \CharTableChanges \character@table}
\begingroup
  \catcode`\~=11
  \gdef\character@table#1{\def\used~table{#1}%
      \ifx\used~table\default~table
           \typeout{***************************}%
           \typeout{* Character table correct *}%
           \typeout{***************************}%
      \else
         \errhelp\wrong@table
         \errmessage{Character table corrupted}%
         \show\default~table
         \show\used~table
      \fi
      \endgroup}
  \global\let\CharTableChanges\@empty
  \makeatother
  \gdef\default~table
     {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         \~}
\endgroup
  \newhelp\wrong@table{Some of the ASCII characters are corrupted.^^J
            I now \string\show\space you both tables for comparison.}
\newif\ifcodeline@index \codeline@indexfalse
\def\codeline@wrindex#1{\if@filesw
        \immediate\write\@indexfile
            {\string\indexentry{#1}%
            {\number\c@CodelineNo}}\fi}
\let\special@index = \@gobble
\def\CodelineIndex{\makeindex
                   \codeline@indextrue
                   \let\special@index\codeline@wrindex}
\def\PageIndex{\makeindex
               \codeline@indexfalse
               \let\special@index\index}
\newcount\c@CodelineNo  \c@CodelineNo\z@
\@ifundefined{theCodelineNo}
  {\ifx\selectfont\undefined
     \def\theCodelineNo{\rm\scriptsize\arabic{CodelineNo}}%
   \else
     \def\theCodelineNo{\reset@font\scriptsize\arabic{CodelineNo}}%
   \fi}
  {}
       \tolerance=1000\relax
{ \catcode`\"=12
  \global\mathcode`\\="705C \global\mathcode`\@="7040 }
\@ifundefined{DocstyleParms}{}{}
\DocstyleParms     \let\DocstyleParms\relax
\@ifundefined{AmSTeX}
   {\def\AmSTeX{\leavevmode\hbox{$\cal A\kern-.2em\lower.376ex%
        \hbox{$\cal M$}\kern-.2em\cal S$-\TeX}}}{}
\@ifundefined{BibTeX}
   {\def\BibTeX{{\rm B\kern-.05em{\sc i\kern-.025em b}\kern-.08em%
    T\kern-.1667em\lower.7ex\hbox{E}\kern-.125emX}}}{}
\@ifundefined{SliTeX}
   {\def\SliTeX{{\rm S\kern-.06emL\kern-.18em\raise.32ex\hbox
                {\sc i}\kern -.03em\TeX}}}{}
\@ifundefined{PlainTeX}{\def\PlainTeX{{\sc Plain}\kern2pt\TeX}}{}
\@ifundefined{Web}{\def\Web{{\sc Web}}}{}
\def\MakePercentIgnore{\catcode`\%9\relax}
\def\MakePercentComment{\catcode`\%14\relax}
\def\DocInput#1{\MakePercentIgnore\input{#1}\MakePercentComment}
\ifx\on@line\undefined
  \def\on@line{ on input line \the\inputlineno}
  \errhelp{Support for input line numbers has been added
           to latex.tex <dec91>.^^J^^J%
           Please update to a newer LaTeX release.}
  \errmessage{Obsolete LaTeX release (older than Dec.91)}
\fi
\endinput
%% 
%% End of file `doc.sty'.