These methods can be combined; they are not mutually exclusive. All start and end tags are matched and names are case sensitive. It is posted at http://www.orangewaternetwork.org/storage/RAMLIS_V_9_WEB.kmlWell now I am trying to reproduce the Layer Package (LPK) and it produces an error all the time. Since then Google has taken a stricter stance on conforming to the KML specification in Google Earth. see here
Validating KML Types of Validation Well-formed validation Schema validation Specification validation KML Validation Tools Basic validation KML Schema Validation tools Managing Saved Places KML in Google Earth Maintenance and periodic cleaning This is the quickest approach to just annotate the KML with appropriate attribution text.