If you guys don't know the answer, then don't post pretending like you do. If you do know the answer, and you don't want to answer it, then don't post either. It's just so stupid to make a meaningless post which adds no additional information and makes no attempt to answer the question.
There's more to the programming than an .xml file.
Yah wow, the .xml has
"<street_gen level="25" length_multiplier="6"><axiom value="[FFCT][-FFT][+FFI][--FFN][+FFT][-FFI][++FN][F-FF+FF[-T]FF+FF+FFFF-FF-FF[+I]FF-F[+N]"/ <rule char="T" replace_with="F-FF+FF[-T**]FF+FF+FFFF-FF-FF[+I**]FF-F[+N*K]"/>>"
I already knew that. Don't act like it's self-evident how that is actually processed during map generation. I mean wtf, if you don't know, or don't want to answer, just stfu.