[mkgmap-dev] Polygon 4A in mp sources

Hi, I'm trying to edit and compile preview map in mp format. Unfortunately mkgmap forces a restriction: SEVERE (MapFailedException): img\Topo.mp: (thrown in PolishMapDataSource.checkType()) invalid type 0x4a for POLYGON I'm not sure, why this restriction exist. Is there any problem to accept polygon 4A in mp source? -- Best regards, Andrzej