 
mkvtxfont and the vtx font family are 

	Copyright (c) 1994-96 by Martin Buck

and extracted from the VideoteXt V0.6 package.

Also see 

	http://www.uni-ulm.de/~s_mbuck1/VideoteXt-english.html      for english speaking users
or	http://www.uni-ulm.de/~s_mbuck1/VideoteXt.html              for german speaking users.