texthandle: Remove knowledge about window borders
texthandle: Remove knowledge about window borders

We need to expand beyond these if necessary, so don't artificially
limit things here.

chergert/gtk,grubersjoe/adwaita,jadahl/gtk,jigpu/gtk,jadahl/gtk,jadahl/gtk,chergert/gtk,chergert/gtk,alexlarsson/gtk,davidgumberg/gtk,jadahl/gtk,jadahl/gtk,alexlarsson/gtk,Adamovskiy/gtk,grubersjoe/adwaita,jadahl/gtk,alexlarsson/gtk,grubersjoe/adwaita,jigpu/gtk,davidgumberg/gtk,jigpu/gtk,grubersjoe/adwaita,davidgumberg/gtk,jadahl/gtk,alexlarsson/gtk,Adamovskiy/gtk,Adamovskiy/gtk,chergert/gtk,grubersjoe/adwaita,Adamovskiy/gtk,jigpu/gtk,grubersjoe/adwaita,jigpu/gtk,alexlarsson/gtk,davidgumberg/gtk,davidgumberg/gtk,davidgumberg/gtk,grubersjoe/adwaita,davidgumberg/gtk,alexlarsson/gtk,davidgumberg/gtk,Adamovskiy/gtk,chergert/gtk,Adamovskiy/gtk,jigpu/gtk,alexlarsson/gtk,grubersjoe/adwaita,chergert/gtk,chergert/gtk,jigpu/gtk,alexlarsson/gtk,Adamovskiy/gtk,jigpu/gtk,Adamovskiy/gtk,chergert/gtk,jadahl/gtk