Ok, ich versuchs mal: \documentclass{scrreprt} \usepackage{listings} \lstdefinelanguage{SIMTALK} { morekeywords ={is,do,for,to,loop,If,then,elseif,end},keywordstyle = \color{blue}, classoffset = 1, morekeywords={true,false,void},keywordstyle = \color{purple}, classoffset = 0, sensitive=false, } \beg...