GADGET class     PERMANENT-MEDIUM-SHEET-OUTPUT-MIXIN gone.
GADGET class
    PERMANENT-MEDIUM-SHEET-OUTPUT-MIXIN gone.

At a lot of places:

    HANDLE-REPAINT instead of REPAINT-SHEET.
    Use HANDLE-REPAINT to implement redrawing!

    HANDLE-EVENT specialized on WINDOW-REPAINT-EVENT elided as this
    should be handled by the repaint protocol.

Some callbacks bind *APPLICATION-FRAME* now.

TEXT-FIELDs no longer use TEXT-SIZE for calculation of their preferred
height, but TEXT-STYLE-ASCENT/DESCENT.

swflint/McCLIM,slyrus/mcclim,onixie/mcclim,antifuchs/mcclim,slyrus/mcclim,swflint/McCLIM,onixie/mcclim,swflint/McCLIM,onixie/mcclim,antifuchs/mcclim