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From: Gerben Wierda <Gerben.Wierda@rna.nl>
Newsgroups: gmane.comp.tex.context
Subject: ConTeXt equivalent for \ensuremath?
Date: Fri, 11 Mar 2005 15:46:37 +0100
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I modeled this after the LaTeX sources because I had to move on:

\newcommand{\ensuremath}[1]{\ifmmode\expandafter\FirtsOfOne%
         \else\expandafter\EnsuredMath\fi}
\long\def\FirstOfOne#1{#1}
\long\def\EnsuredMath#1{$\relax#1$}

but is there a ConTeXt way of doing this?

G