- u -

• UNKNOWN : libwps_tools_win::Font
• Unknown : LotusGraphInternal::ZoneMac , LotusGraphInternal::ZonePc , LotusGraphInternal::ZoneWK4 , WPS4ParserInternal::SubDocument
• UNKNOWN : WPS8ParserInternal::Frame
• Unknown : WPS8ParserInternal::SubDocument , WPS8TextInternal::Object