* Kim F. Storm (2006-08-24) writes:

> Ralf Angeli <angeli@caeruleus.net> writes:
>
>> Thanks for spotting this.  I think it should return nil.  More
>> specifically: If display-mm-* is called without an argument it should
>> return nil if the display the current frame is located on is not a
>> graphical one.  If display-mm-* is called with an argument it should
>> return nil if the target display is unavailable or not a graphical
>> one.  I can change the patch accordingly ...
>
> Pls. do.

You can find the updated patch attached.  The change log entry posted
before is still valid.

-- 
Ralf