> On the httrack download page, there are 3 links labeled
> "httrack-3.31.tar.gs".  The second one untars into a
> directory "httrack-3.31.0", but the first untars into a
> directory "httrack-3.30.01".  There might be a mistake 
here.

Yes, definitely! Thanks for pointing this out - I have 
replaced the old tar.gz version by the new one!