Changes in frame/window code

[martin rudalics]

Dear people

In the next days I intend to install the attached patch.  Its primary
aims are to:

(1) Finish the transition to pixelwise frame/window size handling (for
    example, removing the necessity that fringe-sizes are an integral
    multiple of columns or the remnants of the "extended" scrollbar).

(2) Fix the "toolbar/menubar height is part of the frame text height"
    issue (which the recent change in revision 117561 doesn't).

(3) Make the frame size resilient to menu-/tool-/scrollbar/font/fringes
    changes when it's either maximized/fullscreen or the user generally
    dislikes implied size changes.

(4) Add horizontal scroll bars for the Gtk/Motif/Lucid/Windows builds.

Kindly refrain from substantial frame/window code changes in the next
few days to make the transition as smooth as possible.  And, obviously,
please try the patch.

Thanks, martin

frames-windows.diff.gz
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