\RequirePackage{color}
\usepackage[dvips]{changebar}

\DeclareRobustCommand{\DIFaddbegin}[1]{\cbstart}
\DeclareRobustCommand{\DIFaddend}[1]{\cbend}

\DeclareRobustCommand{\DIFdelbegin}[1]{\cbdelete}
\DeclareRobustCommand{\DIFdelend}[1]{\cbdelete}

\DeclareRobustCommand{\DIFadd}[1]{{\color{blue} #1}}
\DeclareRobustCommand{\DIFdel}[1]{{\color{red} \scriptsize #1}}
