% Uwe Ziegenhagen

\documentclass{article}
\usepackage[ngerman]{babel}
\usepackage[latin1]{inputenc}
\usepackage{version}

\includeversion{b}
\excludeversion{a}

\begin{document}
\begin{a}
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Phasellus semper elit eget est. Ut pulvinar, tellus id posuere suscipit, ipsum justo consectetuer dui, quis viverra eros dui vel arcu.
\end{a}
\begin{b}
Fusce magna nulla, malesuada vitae, ultrices eu, sollicitudin vel, augue. Nulla adipiscing, nunc id tempus faucibus, lacus velit vehicula sapien, dictum gravida libero risus sed nunc. 
\end{b}


\end{document}