thesaurus infercase -- dont work together. in vim6 and 7.

[Mohsin]

The thesaurus option doesn't work in vim6/7 when infercase is set.

C-x C-t will  do same as C-n/C-p completions. Is this by design?

My ~/.vimrc
 set  infercase
 set  thesaurus=/doc/roget13a.txt

thanks,
- Mohsin.