\documentclass{ltxdoc}
\CodelineIndex
\RecordChanges
\begin{document}
\DocInput{lgrind.dtx}
\end{document}
%</driver>
% \frenchspacing
%
% \GetFileInfo{lgrind.dtx}
% \begin{document}
% \title{The \LG{} package\thanks{This file
% has version number \fileversion, last
% revised \filedate.}}