don't draw an (empty) label for placemarks with no name
don't draw an (empty) label for placemarks with no name

utkuaydin/marble,probonopd/marble,rku/marble,AndreiDuma/marble,rku/marble,quannt24/marble,quannt24/marble,tzapzoor/marble,quannt24/marble,tucnak/marble,rku/marble,Earthwings/marble,tzapzoor/marble,probonopd/marble,probonopd/marble,AndreiDuma/marble,rku/marble,tucnak/marble,oberluz/marble,Earthwings/marble,Earthwings/marble,oberluz/marble,AndreiDuma/marble,oberluz/marble,oberluz/marble,David-Gil/marble-dev,probonopd/marble,quannt24/marble,utkuaydin/marble,rku/marble,David-Gil/marble-dev,Earthwings/marble,tzapzoor/marble,probonopd/marble,tzapzoor/marble,oberluz/marble,adraghici/marble,AndreiDuma/marble,tucnak/marble,tucnak/marble,Earthwings/marble,tzapzoor/marble,tzapzoor/marble,David-Gil/marble-dev,tucnak/marble,quannt24/marble,probonopd/marble,oberluz/marble,tucnak/marble,quannt24/marble,rku/marble,adraghici/marble,tzapzoor/marble,David-Gil/marble-dev,utkuaydin/marble,quannt24/marble,adraghici/marble,AndreiDuma/marble,David-Gil/marble-dev,utkuaydin/marble,David-Gil/marble-dev,adraghici/marble,AndreiDuma/marble,utkuaydin/marble,tucnak/marble,Earthwings/marble,adraghici/marble,utkuaydin/marble,adraghici/marble,probonopd/marble,tzapzoor/marble