> > Another solution is to use filters: (Options/Scan rules)
> > 
> > -www.geocities.com +www.geocities.com/alpha/* 
> > +www.geocities.com/beta/* +www.geocities.com/charlie/*
> 
> Sorry, the correct one is:
> -www.geocities.com/* +www.geocities.com/alpha/* 
> +www.geocities.com/beta/* +www.geocities.com/charlie/*

What difference will that trailing '/' make in the filter 
processing?  I presume that the anything that matches the 
pattern 'www.geocities.com/' will also match the 
pattern 'www.geocities.com'.  Even if you forget the '/' in 
the exclusion rule, won't things still work?