PORT-SET-SHEET-REGION PORT-SET-SHEET-TRANSFORMATION
PORT-SET-SHEET-REGION
PORT-SET-SHEET-TRANSFORMATION

    fix, when mirror-region is +nowhere+.

    This still needs work though, we should not map the window at all,
    if its mirror region is +nowhere+, or map it to somewhere, where
    it is not visible. Mapping a 1x1 mirror just somewhere is kind of
    false.

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