%% 
%% This is file `ltboxes.ltx', generated 
%% on <1994/1/30> with the docstrip utility (2.2c).
%% 
%% The original source files were:
%% 
%% ltboxes.dtx 
%% 
%% Copyright (C) 1993 by LaTeX3 project. All rights reserved. 
%% For additional copyright information see further down in this file. 
%% 
%% This file is part of the LaTeX2e system. 
%% ---------------------------------------- 
%% 
%% This system 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. 
%% 
%% 
%% IMPORTANT NOTICE: 
%% 
%% For error reports in case of UNCHANGED versions see readme files. 
%% 
%% Please do not request updates from us directly. Distribution is 
%% done through Mail-Servers and TeX organizations. 
%% 
%% You are not allowed to change this file. 
%% 
%% You are allowed to distribute this file under the condition that 
%% it is distributed together with all files mentioned in 00readme.l2e. 
%% 
%% If you receive only some of these files from someone, complain! 
%% 
%% You are NOT ALLOWED to distribute this file alone. You are NOT 
%% ALLOWED to take money for the distribution or use of either this 
%% file or a changed version, except for a nominal charge for copying 
%% etc. 

\message{boxes,}
\def\makebox{%
  \leavevmode
  \@ifnextchar(%)
    {\@makepicbox}%
    {\@ifnextchar[\@makebox\mbox}}
\def\mbox#1{\leavevmode\hbox{#1}}
\def\@makebox[#1]{%
  \@ifnextchar [{\@imakebox[#1]}{\@imakebox[#1][c]}}
\long\def\@begin@tempboxa#1#2{%
   \begingroup
     \setbox\@tempboxa#1{{#2}}%
     \def\width{\wd\@tempboxa}%
     \def\height{\ht\@tempboxa}%
     \def\depth{\dp\@tempboxa}%
     \let\totalheight\@ovri
     \totalheight\height
     \advance\totalheight\depth}
\let\@end@tempboxa\endgroup
\def\bm@c{\hss\unhbox\@tempboxa\hss}
\def\bm@l{\unhbox\@tempboxa\hss}\let\bm@t\bm@l
\def\bm@r{\hss\unhbox\@tempboxa}\let\bm@b\bm@r
\def\bm@s{\unhbox\@tempboxa}
\long\def\@imakebox[#1][#2]#3{%
  \@begin@tempboxa\hbox{#3}%
    \setlength\@tempdima{#1}%       support calc
    \hbox to\@tempdima{\csname bm@#2\endcsname}%
  \@end@tempboxa}
\def\@makepicbox(#1,#2){%
  \@ifnextchar[{\@imakepicbox(#1,#2)}{\@imakepicbox(#1,#2)[]}}
\long\def\@imakepicbox(#1,#2)[#3]#4{%
  \vbox to#2\unitlength
   {\let\mb@b\vss \let\mb@l\hss\let\mb@r\hss
    \let\mb@t\vss
    \@tfor\@tempa :=#3\do{%
      \if s\@tempa
        \let\mb@l\relax\let\mb@r\relax
      \else
        \expandafter\let\csname mb@\@tempa\endcsname\relax
      \fi}%
    \mb@t
    \hbox to #1\unitlength{\mb@l #4\mb@r}%
    \mb@b
    \kern\z@}}
\let\set@color\relax
\def\newsavebox#1{\@ifdefinable{#1}{\newbox#1}}
\def\savebox#1{%
  \@ifnextchar(%)
    {\@savepicbox#1}{\@ifnextchar[{\@savebox#1}{\sbox#1}}}
\def\sbox#1#2{\setbox#1\hbox{{\set@color#2}}}
\def\@savebox#1[#2]{%
  \@ifnextchar [{\@isavebox#1[#2]}{\@isavebox#1[#2][c]}}
\long\def\@isavebox#1[#2][#3]#4{%
  \setbox#1\hbox{{%
    \set@color\@imakebox[#2][#3]{#4}}}}
\def\@savepicbox#1(#2,#3){%
  \@ifnextchar[%]
    {\@isavepicbox#1(#2,#3)}{\@isavepicbox#1(#2,#3)[]}}
\long\def\@isavepicbox#1(#2,#3)[#4]#5{%
  \setbox#1\hbox{{%
    \set@color\@imakepicbox(#2,#3)[#4]{#5}}}}
\def\lrbox#1{%
  \edef\@tempa{%
    \endgroup
    \setbox#1\hbox{%
      \begingroup\aftergroup}%
        \def\noexpand\@currenvir{\@currenvir}%
        \def\noexpand\@currenvline{\on@line}}%
  \@tempa
    \@endpefalse
    \bgroup
      \ignorespaces}
\def\endlrbox{\unskip\egroup}
\def\usebox#1{\leavevmode\copy #1\relax}
%% The following definition of |\frame| was written by Pavel Curtis
%% (Extra space removed 14 Jan 88)
%% RmS 92/08/24: Replaced occurence of |\@halfwidth| by |\@wholewidth|
\long\def\frame#1{%
  \leavevmode
  \hbox{%
    \hskip-\@wholewidth
    \vbox{%
      \vskip-\@wholewidth
      \hrule \@height\@wholewidth
      \hbox{%
        \vrule\@width\@wholewidth
        #1%
        \vrule\@width\@wholewidth}%
      \hrule\@height\@wholewidth
      \vskip-\@wholewidth}%
    \hskip-\@wholewidth}}
\newdimen\fboxrule
\newdimen\fboxsep
%% (Extra space removed 21 Jun 1991)
\long\def\fbox#1{%
  \leavevmode
  \setbox\@tempboxa\hbox{{#1}}%
  \@tempdima\fboxrule
  \advance\@tempdima\fboxsep\advance\@tempdima\dp\@tempboxa
  \hbox{%
    \lower\@tempdima\hbox{%
      \vbox{%
        \hrule\@height\fboxrule
        \hbox{%
          \vrule\@width\fboxrule
          \hskip\fboxsep
          \vbox{%
            \vskip\fboxsep
            \box\@tempboxa
            \vskip\fboxsep}%
          \hskip\fboxsep
          \vrule \@width\fboxrule}%
        \hrule\@height\fboxrule}}}}
\def\framebox{%
  \@ifnextchar(%)
    {\@framepicbox}{\@ifnextchar[{\@framebox}{\fbox}}}
\def\@framebox[#1]{%
  \@ifnextchar [{\@iframebox[#1]}{\@iframebox[#1][c]}}
%% (Extra space removed 21 Jun 1991)
\long\def\@iframebox[#1][#2]#3{%
  \leavevmode
  \savebox\@tempboxa[#1][#2]{\kern\fboxsep #3\kern\fboxsep}%
  \@tempdima\fboxrule
  \advance\@tempdima\fboxsep
  \advance\@tempdima\dp\@tempboxa
  \hbox{%
    \lower\@tempdima\hbox{%
      \vbox{%
        \hrule\@height\fboxrule
        \hbox{%
          \vrule\@width\fboxrule
          \hskip-\fboxrule
          \vbox{%
            \vskip\fboxsep
            \box\@tempboxa
            \vskip\fboxsep}%
          \hskip-\fboxrule
          \vrule\@width\fboxrule}%
        \hrule\@height\fboxrule}}}}
\def\@framepicbox(#1,#2){%
  \@ifnextchar[{\@iframepicbox(#1,#2)}{\@iframepicbox(#1,#2)[]}}
\long\def\@iframepicbox(#1,#2)[#3]#4{%
  \frame{\@imakepicbox(#1,#2)[#3]{#4}}}
\def\parbox{%
  \@ifnextchar[%]
    \@iparbox
    {\@iiiparbox c\@empty[s]}}
\def\@iparbox[#1]{%
  \@ifnextchar[%]
    {\@iiparbox{#1}}%
    {\@iiiparbox{#1}\@empty[s]}}
\def\@iiparbox#1[#2]{%
  \@ifnextchar[%]
    {\@iiiparbox{#1}{#2}}%
    {\@iiiparbox{#1}{#2}[#1]}}
\long\def\@iiiparbox#1#2[#3]#4#5{%
  \leavevmode
  \@pboxswfalse
  \setlength\@tempdima{#4}%
  \@begin@tempboxa\vbox{\hsize\@tempdima\@parboxrestore#5\endgraf}%
    \ifx\@empty#2\else
      \setlength\@tempdimb{#2}%
      \def\@empty{to\@tempdimb}%
    \fi
    \if#1b\vbox
    \else\if #1t\vtop
    \else\ifmmode\vcenter
    \else\@pboxswtrue $\vcenter
    \fi\fi\fi
    \@empty{\let\hss\vss\let\unhbox\unvbox
       \csname bm@#3\endcsname}%
    \if@pboxsw \m@th$\fi
  \@end@tempboxa}
\let\@dischyph=\-
%% RmS 93/08/19 Redefined accents to allow changes in font encoding
\let\@acci=\'   \def\'{\@acci}
\let\@accii=\`  \def\`{\@accii}
\let\@acciii=\= \def\={\@acciii}
\def\@arrayparboxrestore{%
  \let\par\@@par
  \let\-\@dischyph
%% RmS 93/08/19 Redefined accents to allow changes in font encoding
  \def\'{\@acci}\def\`{\@accii}\def\={\@acciii}%
  \parindent\z@ \parskip\z@skip
  \everypar{}%
  \linewidth\hsize
  \@totalleftmargin\z@
  \leftskip\z@skip \rightskip\z@skip \@rightskip\z@skip
  \parfillskip\@flushglue \lineskip\normallineskip
  \baselineskip\normalbaselineskip
  \sloppy}
\def\@parboxrestore{\@arrayparboxrestore\let\\\@normalcr}
\newif\if@minipage \@minipagefalse
\def\minipage{%
  \@ifnextchar[%]
    \@iminipage
    {\@iiiminipage c\@empty[s]}}
\def\@iminipage[#1]{%
  \@ifnextchar[%]
    {\@iiminipage{#1}}%
    {\@iiiminipage{#1}\@empty[s]}}
\def\@iiminipage#1[#2]{%
  \@ifnextchar[%]
    {\@iiiminipage{#1}{#2}}%
    {\@iiiminipage{#1}{#2}[#1]}}
\def\@iiiminipage#1#2[#3]#4{%
  \leavevmode
  \@pboxswfalse
  \setlength\@tempdima{#4}%
  \def\@mpargs{{#1}{#2}[#3]{#4}}%
  \setbox\@tempboxa\vbox\bgroup
    \hsize\@tempdima
    \textwidth\hsize \columnwidth\hsize
    \@parboxrestore
    \def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}\c@mpfootnote\z@
    \let\@footnotetext\@mpfootnotetext
    \let\@listdepth\@mplistdepth \@mplistdepth\z@
    \@minipagerestore\global\@minipagetrue %% \global added 24 May 89
    \everypar{\global\@minipagefalse\everypar{}}}
 \let\@minipagerestore=\relax
%% RmS 92/08/14: replaced |\vskip-\lastskip| by |\unskip|
%%  (proposed by FMi)
\def\endminipage{%
  \par
  \unskip
  \ifvoid\@mpfootins\else
    \vskip\skip\@mpfootins
    \footnoterule
    \unvbox\@mpfootins
  \fi
  \global\@minipagefalse   %% added 24 May 89
  \egroup
  \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}}
\newcount\@mplistdepth
\newinsert\@mpfootins
%% Final |\strut| added 27 Mar 89, on suggestion by Don Hosek
%% RmS 91/09/29: added |\reset@font|
%% RmS 92/11/26: added protection for |\edef|
\long\def\@mpfootnotetext#1{%
  \global\setbox\@mpfootins\vbox{%
    \unvbox\@mpfootins
    \reset@font\footnotesize
    \hsize\columnwidth
    \@parboxrestore
    \let\@tempa\protect\def\protect{\noexpand\protect\noexpand}%
    \edef\@currentlabel{\csname p@mpfootnote\endcsname\@thefnmark}%
    \let\protect\@tempa
    \@makefntext{\rule{\z@}{\footnotesep}\ignorespaces #1\strut}}}
\newif\if@pboxsw
\def\rule{\@ifnextchar[{\@rule}{\@rule[\z@]}}
\def\@rule[#1]#2#3{%
  \@tempdima#3\advance\@tempdima #1%
  \leavevmode
  \hbox{\vrule\@width#2\@height\@tempdima\@depth-#1}}
\let\@@underline\underline
\def\underline#1{%
  \relax
  \ifmmode\@@underline{#1}%
  \else $\@@underline{\hbox{#1}}\m@th$\relax\fi}
\def\raisebox#1{\@ifnextchar[{\@rsbox{#1}}{\@irsbox{#1}[]}}
\def\@rsbox#1[#2]{%
  \@ifnextchar[{\@iirsbox{#1}[#2]}{\@irsbox{#1}[#2]}}
\long\def\@irsbox#1[#2]#3{%
  \@begin@tempboxa\hbox{#3}%
    \setlength\@tempdima{#1}%
    \ifx\\#2\\\else\setlength{\@tempdimb}{#2}\fi
    \setbox\@tempboxa\hbox{\raise\@tempdima\box\@tempboxa}%
    \leavevmode
    \ifx\\#2\\\ht\@tempboxa\@tempdimb\fi
    \box\@tempboxa
  \@end@tempboxa}
\long\def\@iirsbox#1[#2][#3]#4{%
  \@begin@tempboxa\hbox{#4}%
    \setlength\@tempdima{#1}%
    \setlength\@tempdimb{#2}%
    \setlength\dimen@{#3}%
    \setbox\@tempboxa\hbox{\raise\@tempdima\box\@tempboxa}%
    \leavevmode
    \ht\@tempboxa\@tempdimb
    \dp\@tempboxa\dimen@
    \box\@tempboxa
  \@end@tempboxa}
\endinput
%% 
%% End of file `ltboxes.ltx'.