OUTLINED-PANE     added
OUTLINED-PANE
    added

BORDER-PANE
    groks :border-width option.
    has black background, so that it is visible.

VBOX-PANE, HBOX-PANE
    These know the :spacing-[xy] options now.

informatimago/mcclim,quek/mcclim,informatimago/mcclim,quek/mcclim