* Ralf Angeli (2006-07-16) writes:

> So one rather needs screen-dependent or display-dependent values for
> screen width and height.  (Obviously.)  A pragmatic way for specifying
> this would be an alist with (DISPLAY . LENGTH) elements as suggested
> by Kim (assuming display is equivalent to screen).

Here is a patch implementing that approach.  I can provide an change
log entry once this is settled.