title: Face Formats
desc: bsp classic etp tv6 bp valve220

Here are described various aspects of face formats, which are of relevance
to the code in QkMapPoly.pas and QkMap.pas.  Especially the relationship
between QuArK's original internal representation (Quark etp) and the
'Classic Quake' map format(s), and the new internal/.qrk/.qkm representation.
