Q also to you a nice thank you. I did not know that I have to place the modified files at the end. (I was just always wondering why the game screwed up after adding techs during a running game - now I know)
kalorith - I am using a german language key board where the "ß" is just a normal key. I fear that you cannot do this with your english keyboard.
tschü

ß
KlausD