Rydych wedi penodi y dosbarth ffenestr fel heb bwys. Golyga hyn fel gellir y gosodiadau gael eu gweithredu i ffenestri o bob cymhwysiad. Os hoffech greu gosodiad generig o ddifrif, argymhellir o leiaf gyfyngu' r mathau ffenestr er mwyn osgoi mathau ffenestr arbennig.
You have specified the window class as unimportant. This means the settings will possibly apply to windows from all applications. If you really want to create a generic setting, it is recommended you at least limit the window types to avoid special window types.