LaTeX.org

hi cgnieder and thanks for the welcome :)

This is perfect, and just what I was looking for!:)

Just one question, if I want to make two kinds of keywords, I write:

...
\lstdefinelanguage{VHDL}{
morekeywords=[a]{
library,use,all,entity,is,port,in,out,end,architecture,of,
begin,and ...