This is TRE regex implementation with modifications from DragonFlyBSD. Original source can be downloaded from: http://laurikari.net/tre/ file = tre-0.8.0.tar.bz2 date = Sep 20 2009 size = 380714 sha1 = a41692e64b40ebae3cffe83931ddbf8420a10ae3 Local modifications applied to all files. The collation, equivalence, and legacy character-name table support came from modifications by Apple (opensource.apple.com)