region-active-p

[Andreas Röhler]

What about to introduce `region-active-p' and/or
`region-exists-p' for

(and mark-active transient-mark-mode)

thus enhancing portability with XEmacs, which I try
here with such a construct:

(or (and (featurep 'xemacs)
         (region-active-p))
    (and 
     mark-active transient-mark-mode))

I'm well aware that behaviour of mark is different in
both Emacsen and thus proceeding of `(and mark-active
transient-mark-mode)' will the not be the same as in
`region-exists-p'. However, in most if not all cases
the result for the user should be comparable and
expected.


Thanks all

Andreas Röhler