NetBIOS names with dots in them!

[Andrew Tridgell]

> 	What we may need to try first is to go for the last dot that is
> less than 16 characters and strip at that point.  That would then give
> us this:
> 
> 	plover.alcove
> 
> 	Try than and if that then fails, loop and repeat the strip.

yep, make sense. It might be slow in some cases but users will just
have to live with that (or use -I).

> 	That would amount to something similar to this psuedo code...

you've started writing the code, now we'll expect you to finish it!