bug#21415: 25.0.50; Emacs Trunk -- pixelwise width/height for x-create-frame

[martin rudalics]

> The use of a float for an exact number of pixels seems an odd interface
> design. What if you later want to add the ability to specify frame sizes
> in inches or mm ?

How about using entries like

(width . (text-pixels . 400))

instead?  Then "text" could be replaced by "native", "outer" or "inner"
and "pixels" could be replaced by "mms" or "inches".

martin