03may08
zmath11.zip is (in all likelihood) the unmodified .zip of the state of
affairs on the Portal in Berlin. It was used all year 2007/2008 and 
modified accordingly.

26jun07
The big changeover is really szg-0.8 to szg-1.1. The 1.0 should not be
considered. But the .08 was around so long, there are bound to be 
installations of it still around somewhere.

However, we do not have a guaranteed omni-compilable version. So you 
have to read the readmes.