Mae gan y ffenest 0x%lx y briodwedd %s a ddisgwyliwyd i gael y math %s fformat %d ond sydd a'r math %s fformat %d n_items %d. Mae hyn mwy na thebyg yn nam rhaglen, ac nid yn nam rheolydd ffenestri. Mae gan y ffenest teitl="%s" dosbarth="%s" enw="%s"
Window 0x%lx has property %s that was expected to have type %s format %d and actually has type %s format %d n_items %d. This is most likely an application bug, not a window manager bug. The window has title="%s" class="%s" name="%s"