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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% Set of LaTeX macros for typesetting scripts framed in a box. %%
%% %%
%% Some of this code is taken from the TeX book p421. %%
%% %%
%%----------------------------------------------------------------------%%
%% DATE: 1.Mar.89 %%
%% AUTHOR: ISD %%
%%----------------------------------------------------------------------%%
%% %%
%% The following macros provide two commands, namely: %%
%% %%
%% \begintt %%
%% %%
%% \endtt %%
%% %%
%% Anything between these two commands is typeset using the almost %%
%% verbatim environment. There are three major diffeences; %%
%% %%
%% 1. The back-slash "\" is retained as the escape character. %%
%% So now other funny characters can easily be included. For %%
%% example the forall symbol can be included using \(\forall\) %%
%% %%
%% 2. A box is drawn around the entire block of text with width %%
%% equal to the present \textwidth and height variable to %%
%% accomodate the typed text. %%
%% %%
%% 3. There is no check to ensure that the text isn't too wide, %%
%% it merely runs off the right side of the page without any %%
%% errors or warnings. %%
%% %%
%% Finally there are twoplaces which allow the macro to be %%
%% customised depending on which pointsize of documentstyle one is %%
%% using. These places are clearly indicated with comments. %%
%% Comment out the appropriate lines depending on which %%
%% documentstyle you are using. %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chardef\other=12
\def\ttverbatim{\begingroup
\catcode`\{=\other
\catcode`\}=\other
\catcode`\$=\other % Matching $
\catcode`\&=\other
\catcode`\#=\other
\catcode`\%=\other
\catcode`\~=\other
\catcode`\_=\other
\catcode`\^=\other
\catcode`\<=\other
\obeyspaces
\def\par{\leavevmode\endgraf}
\obeylines
\tt}
{\obeyspaces\gdef {\ }}
\newlength{\ttboxwidth}
\setlength{\ttboxwidth}{\textwidth}
\addtolength{\ttboxwidth}{-0.4pt} % Width of two lines on either side
\addtolength{\ttboxwidth}{-0.8em} % hspace inserted after the left line.
\outer\def\begintt{\begin{flushleft}
\begin{tabular}{@{}|@{\hspace{0.8em}}l@{}|@{}}
\hline
\begin{minipage}{\ttboxwidth}
% \begin{normalsize} % for default documentstyle (10pt)
\begin{small} % for documentstyle[11pt, ... ]
% \begin{footnotesize} % for documentstyle[12pt, ... ]
$$
% Matchnig $$
\let\par=\endgraf
\ttverbatim
\parskip=0pt
\rightskip=-5pc
\ttfinish}
{\obeylines\gdef\ttfinish#1^^M#2\endtt{#1\vbox{#2}\endgroup$$
% Matching $$
\vspace{0.5ex}
% \end{normalsize} % for default documentstyle (10pt)
\end{small} % for documentstyle[11pt, ... ]
% \end{footnotesize} % for documentstyle[12pt, ... ]
\end{minipage}\\ \hline\end{tabular}
\end{flushleft}}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% End of Macro... %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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