\documentclass{ltxdoc}

\EnableCrossrefs
\CodelineIndex
\RecordChanges

\begingroup
\catcode`\/=0
/catcode`/[=1
/catcode`/]=2
/catcode`/\=12
/catcode`/{=12
/catcode`/}=12
/gdef/pkgdesc[%
  This package fixes the isuue of footnote inside /texttt[\caption{}],
  /texttt[tabular] environment and /texttt[\section{}] like (/texttt[\chapter{}], /texttt[\part{}], /texttt[\subsection{}] and etc) commands.
]
/endgroup

\begin{document}

\def\StopEventually#1{%
  \date{2009/10/18}%
  \maketitle
  \noindent
  \pkgdesc
}

\DocInput{\jobname.dtx}
\PrintIndex

\end{document}