% \subsection{Introduction}
%
% Many of my packages also support other formats such as plain-\TeX.
% Because I am rather familiar with the utility macros from
% \LaTeX's kernel (e.g. \cs{@gobble}, \cs{@firstoftwo}), I found
% myself rewriting them again and again, because they are lacking
% in plain-\TeX.
%
% Therefore this package provides often used macros and similar
% ones with the name prefix \cs{ltx@}. This avoids also faulty
% redefinitions. I remember an example where a package redefined