These fonts are chinese Unicode fonts which include the following charsets: 
 - Big5
 - GB2312-80
 - HKSCS-2004
 - ISO8859-1,2,3,4,7,9,10,13,14,15
 - Bopomofo Extended for Minnan and Hakka

The missing glyphs for GBK, Japanese and Korean are under development, 
every release contains more glyphs.

WWW: http://www.freedesktop.org/wiki/Software_2fCJKUnifonts