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%% J�r�me Lelong (September 2007)
%%
%% this stuff fixes the frame numbering in beamer when using an appendix such
%% that the slides of the appendix are not counted in the total framenumber
\makeatletter
\let\appendixtotalframenumber\empty
\def\mainend{-1}
\let\appendixorig\appendix
\def\appendix{
\edef\mainend{\theframenumber}
\immediate\write\@auxout{\string\global\string\@namedef{mainendframenumber}{\mainend}}
\appendixorig
\def\inserttotalframenumber{\appendixtotalframenumber}%
\setcounter{framenumber}{0}
}
\def\pageatend{
\edef\appendixend{\theframenumber}
\ifnum\mainend>0%
\immediate\write\@auxout{\string\global\string\@namedef{appendixtotalframenumber}{\appendixend}}%
\immediate\write\@auxout{\string\global\string\@namedef{inserttotalframenumber}{\mainend}}%
\immediate\write\@auxout{\string\@writefile{nav}{\noexpand \headcommand {%
\noexpand \def\noexpand \inserttotalframenumber{\mainend}}}}%
\immediate\write\@auxout{\string\@writefile{nav}{\noexpand \headcommand {%
\noexpand \def\noexpand \appendixtotalframenumber{\appendixend}}}}%
\else
\fi
}
\AtEndDocument{\pageatend}
\makeatother
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