% Underline for Japanese Text
% by Hideki ISOZAKI Jan. 11 1988
% Modified Oct. 21 1993
% $B?t<0!$1QC18l!$C18l4V%9%Z!<%9!$(BLaTeX$B%3%^%s%I$H$=$N0z?t$J$I$O(B
% $BJ,3d$5$l$J$$$h$&3g8L$G$^$H$a$F$/$@$5$$!%(B
%
% ex. \juline{$B$"$$$&$($*(B{$\cal B$}$B$+$-$/$1$3(B{foo}{ }{bar}}

\newdimen\wd@uline

\def\juline#1{{\def\endul@@one{\endul@one}\ul@one#1\endul@one}}

\def\ul@one#1{\def\@temp{#1}%
\hskip\jintercharskip
\ifx\@temp\endul@@one
 \let\u@line\relax
\else
 \ul@putbox\def\u@line{\ul@one}%
\fi
\u@line}

\def\ul@putbox{%
 \hbox{\@temp\settowidth\wd@uline\@temp
  \kern-\wd@uline\lower0.33em\hbox{\vrule width\wd@uline height0.05em}}}

