> The mht feature is working properly, although 
experimental:)
> But in the mht generated file, when a URL in a page 
refers 
> to a bookmark i.e. index.htm#item1 it maps to a link like 
> <cid:somethingehtm#item1> instead of <index.mht!
> cid:somethingehtm#item1>,

Err, <a href="cid:somethingehtm#item1"> should work?!
This is kind of weird - I'll have to recheck the RFC