%
% \section{Version control}
%
%  \begin{macro}{\fileinfo}
%  \begin{macro}{\DoXUsepackagE}
%  \begin{macro}{\HaveECitationS}
%  \begin{macro}{\fileversion}
%  \begin{macro}{\filedate}
%  \begin{macro}{\docdate}
%  \begin{macro}{\PPOptArg}
% These definitions must be the first ones in the file.
%    \begin{macrocode}