December 4, 2007. Wayland, MA. The Open Geospatial Consortium, Inc. (OGC®) seeks public comment on a draft OpenGIS® Encoding Standard (OGC KML) for KML 2.2, a XML-based encoding schema for expressing geographic annotation and visualization on existing or future web-based online maps (2d) and Earth browsers (3d).
The draft OGC KML 2.2 standard formalizes the KML 2.2 model and language while remaining backwards compatible with existing KML 2.2 files. In comparison with the Google KML 2.2 Reference, the draft standard defines: