bug#18215: 24.4.50; OSX 10.6.8; set-frame-size by pixelwise does not work following `make-fame`.

[martin rudalics]

> With both Emacs versions (i.e., June 1, 2014 and the patched August 8,
> 2014) and a setting of `(setq ns-auto-hide-menu-bar t)`, the function
> `toggle-frame-maximized` leaves approximately 10 pixels at the top of
> the screen that are not filled and about 4 or more pixels to the right
> of the screen that are not filled.  The only method that I have
> discovered that can fill the screen entirely (without going into
> full-screen mode), is using `set-frame-size` with the pixelwise
> argument.  When not using `(setq ns-auto-hide-menu-bar t)`, there are
> still a few pixels that are not filled by the Emacs frame when using
> `toggle-frame-maximized`.

I suppose the missing 10/4 pixels are from trying to constrain the size
of the frame to multiples of Emacs' character sizes.  What happens when
you disable that as in the attached patch?

martin

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