Ulrike Fischer wrote:
\documentclass{article}
\usepackage{fontspec}
\begin{document}
\fontspec{Arial} abc \fontspec{Cambria} abc ....
\end{document}
Or perhaps, to get even closer to the desideratum :
\documentclass {article}
\usepackage {fontspec}
\long \def \SelectFont #1%
{
\par
\fontspec {Arial}\leftline {#1 :}
\noindent \fontspec {#1}%
}
\begin {document}
\SelectFont {Arial} abc \SelectFont {Cambria} abc ....
\end {document}
Philip Taylor
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