[Tugindia] \buildrel error
Herbert Voss
Herbert.Voss at alumni.TU-Berlin.DE
Thu Jul 24 10:00:15 CEST 2003
Navinraj schrieb:
> I used \stackrel{AB}{\Longleftrightarrow} for two
> characters, When I use this for four characters (ABCD)
> the \Longleftrightarrow is not expanding for
> characters, then I used
> \builtrel{ABCD}{\Longleftrightarrow}. but this is
> giving error. Anybody can give solution for this.
maybe this helps
Herbert
\documentclass{article}
\usepackage{amsmath}
\makeatletter
\newcommand{\xLongleftrightarrow}[2][]{%
\ext at arrow 0055{\Longleftrightarrowfill@}{#1}{#2}%
}
\def\Longleftrightarrowfill@{\arrowfill@\Leftarrow\Relbar\Rightarrow}
\makeatother
\begin{document}
$\stackrel{ABCD}{\Longleftrightarrow}$
$\xLongleftrightarrow{ABCD}$
$\xLongleftrightarrow[ABCD]{}$
$\xLongleftrightarrow[ABCD]{ABCD}$
\end{document}
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