factor

Author	SHA1	Message	Date
Doug Coleman	a6e0df75ea	use sigma	2009-01-15 17:56:09 -06:00
Slava Pestov	da38cd36dd	Move assoc-heaps, formatting, pack, roman, porter-stemmer, soundex, cords to basis	2008-12-17 20:18:24 -06:00