\input{mmd-article-header}
\def\mytitle{MultiMarkdown Superscript Test}
\def\latexmode{memoir}
\input{mmd-article-begin-doc}

\chapter{Superscript}
\label{superscript}

x\textsuperscript{2}.

x\textsuperscript{2.}

\chapter{Subscripts}
\label{subscripts}

x\textsubscript{z}.

z\textsubscript{z.}

\chapter{Neither}
\label{neither}

\ensuremath{\sim}\slash Library\slash MultiMarkdown

\^{}test

x\^{}y
x\ensuremath{\sim}y

\input{mmd-memoir-footer}

\end{document}