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y-yu/underbar.tex

Created June 29, 2012 17:20
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underbar.tex
\makeatletter
\newcount\barsNow
\def\underbar#1{%
\barsNow =#1\relax%
\expandafter\@underbar}
\def\@underbar{%
\advance\barsNow -1%
\_%
\ifnum \barsNow>0%
\expandafter\@underbar
\fi}
\makeatother
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