Quoting Perry E. Metzger (perry@piermont.com):

> > IRIX' chmod and GNU chmod remove the 'x' bit.
> 
> If Solaris' does the same, I'd say we have consensus.

Hmm, is all those anything but old SystemV descendants? What about
4.4bsd and it's behaviour? 

(no, I am not on sure ground here, I just want to weed out the 
possibility that there are 2 main ways of doing it)

-- 
j.