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% Copyright 2007 by Till Tantau
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.
\ProvidesPackageRCS $Header: /cvsroot/latex-beamer/latex-beamer/base/beamerbaseverbatim.sty,v 1.8 2007/01/28 20:48:21 tantau Exp $
\mode<presentation>
\newwrite\beamer@verbatimfileout
\def\beamer@verbatimreadframe{%
\begingroup%
\let\do\beamer@makeinnocent\dospecials%
\count@=127%
\@whilenum\count@<255 \do{%
\advance\count@ by 1%
\catcode\count@=11%
}%
\beamer@makeinnocent\^^L% and whatever other special cases
\endlinechar`\^^M \catcode`\^^M=12%
\@ifnextchar\bgroup{\afterassignment\beamer@specialprocessframefirstline\let\beamer@temp=}{\beamer@processframefirstline}}%
{
\catcode`\{=12%
\catcode`\<=1%
\gdef\beamer@specialprocessframefirstline<%
\beamer@processframefirstline{%
}
}
{\catcode`\^^M=12\endlinechar=-1%
\long\gdef\beamer@processframefirstline#1^^M{%
\def\beamer@test{#1}%
\ifx\beamer@test\beamer@stopframefirst%
\let\next=\beamer@framewritten%
\else
\@temptokena={#1}%
\immediate\write\beamer@verbatimfileout{\the\@temptokena}%
\let\next=\beamer@processframeline%
\fi%
\next%
}
\long\gdef\beamer@processframeline#1^^M{%
\def\beamer@test{#1}%
\ifx\beamer@test\beamer@stopframe%
\let\next=\beamer@framewritten%
\else
\immediate\write\beamer@verbatimfileout{#1}%
\let\next=\beamer@processframeline%
\fi%
\next%
}
}
\def\beamer@setupstoppers#1{%
{
\escapechar=-1\relax%
\xdef\beamer@stopframe{\string\\end\string\{#1\string\}}
\xdef\beamer@stopframefirst{\noexpand\end\string\{#1\string\}}
}
}
\def\beamer@framewritten{\endgroup%
\beamer@afterexternalframe%
}
% The following code is partly adapted from code from the alltt package.
\mode
<all>
{
\begingroup
\lccode`\~=`\'
\lowercase{\endgroup
\newenvironment{semiverbatim}{%
\trivlist
\item\relax
\if@minipage
\else
\vskip\parskip
\fi
\leftskip\@totalleftmargin
\rightskip\z@skip
\parindent\z@
\parfillskip\@flushglue
\parskip\z@skip
\@@par
\@tempswafalse
\def\par{%
\if@tempswa
\leavevmode\null\@@par\penalty\interlinepenalty
\else
\@tempswatrue
\ifhmode\@@par\penalty\interlinepenalty\fi
\fi}
\obeylines
\def\verbatim@nolig@list{\do\`\do\,\do\'\do\-}
\verbatim@font
\let\org@prime~%
\everymath\expandafter{\the\everymath
\catcode`\'=12 \let~\org@prime}
\everydisplay\expandafter{\the\everydisplay
\catcode`\'=12 \let~\org@prime}
\def\dospecials{\do\ \do\$\do\&%
\do\#\do\^\do\_\do\%\do\~\do\`\do\,\do\'\do\-}
\let\do\@makeother
\dospecials
\def\\{\char`\\}
\def\{{\char`\{}
\def\}{\char`\}}
\frenchspacing\@vobeyspaces
\everypar \expandafter{\the\everypar \unpenalty}}
{\endtrivlist}}
}
\mode
<all>
% End in common mode
%%% Local Variables:
%%% mode: latex
%%% TeX-master: "~/texmf/tex/latex/beamer/examples/beamerexample1.tex"
%%% End:
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