bug#14233: 24.3; Don't constrain frame size to character multiples

[martin rudalics]

> I have code that relies on this behavior to shrink not only the default font
> size (of all windows in the frame) but the frame itself.  I do this not only 
to
> zoom (shrink or enlarge) a frame and its text slightly.  I do it also to 
shrink
> it a lot - down to a thumbnail/icon size - and later restore it.
>
> I would not like to see this behavior change, so that, e.g., Emacs stopped
> resizing the frame when I change the font size for the frame.

It depends on the interface you use.  The function `set-frame-font' has
the KEEP-SIZE argument and I don't intend to change its semantics (I'll
probably remove the rounding when `frame-resize-pixelwise' is non-nil).

martin