We're missing a KmlNetworkLinkWriter in src/lib/geodata/writers/kml/. It should write https://developers.google.com/kml/documentation/kmlreference#networklink and its child elements.
Git commit d83cd069532f2069740146ae3992a936fab87958 by Dennis Nienhüser, on behalf of Adrian Draghici. Committed on 13/04/2013 at 13:00. Pushed by nienhueser into branch 'master'. KML NetworkLink Writer REVIEW: 109988 M +2 -0 src/lib/geodata/CMakeLists.txt A +76 -0 src/lib/geodata/writers/kml/KmlLinkTagWriter.cpp [License: LGPL] A +33 -0 src/lib/geodata/writers/kml/KmlLinkTagWriter.h [License: LGPL] A +48 -0 src/lib/geodata/writers/kml/KmlNetworkLinkTagWriter.cpp [License: LGPL] A +27 -0 src/lib/geodata/writers/kml/KmlNetworkLinkTagWriter.h [License: LGPL] M +8 -0 tests/TestGeoDataWriter.cpp A +17 -0 tests/data/NetworkLink.kml A +34 -0 tests/data/NetworkLinkDocument.kml http://commits.kde.org/marble/d83cd069532f2069740146ae3992a936fab87958