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% ftn.sty - footnotes inside tabular/array environments
% Kresten Krab Thorup <krab@iesd.auc.dk> 1991-06-25
\def\inner@ftn{%
\@ifnextchar[{\in@xftn}{\in@ftn{}}}
\def\in@xftn[#1]#2{%
\in@ftn{[#1]}{#2}}
\def\in@ftn#1#2{%
\@temptokena={\footnotetext#1{#2}}%
\@temptokenb=\expandafter{\ftn@list}%
\xdef\ftn@list{\the\@temptokenb\the\@temptokena}%
\footnotemark#1}
\def\exec@ftn{%
\let\@temptokena=\ftn@list
\let\ftn@list=\empty
\@temptokena}
\def\ftn#1{%
\expandafter\let\csname o@#1\expandafter\endcsname
\expandafter=\csname #1\endcsname
\expandafter\let\csname o@end#1\expandafter\endcsname
\expandafter=\csname end#1\endcsname
\expandafter\def\csname #1\endcsname{\bgroup
\let\footnote\inner@ftn\csname o@#1\endcsname}
\expandafter\def\csname end#1\endcsname{\csname o@end#1\endcsname
\exec@ftn\egroup}}
%
% INITIALIZING
%
\newtoks\@temptokenb
\def\ftn@list{}
% add more to this list...
\ftn{tabular}
\ftn{array}
\ftn{minipage}
\ftn{eqnarray}
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