fulltext	some sort of fulltext (mightbe xml but anything else)
fulltext DEspecs	fulltext entered following DEspecs. in the metadata should be a entry which version
fulltext XML - ECHO	schema in the metadata (ECHO schema)
fulltext XML - Archimedes	schema in the metadata (Archimedes DTD/schema)
fulltext XML - TEI	schema TEI
fulltext XML	any valid xml