Changes with nginx 0.3.56 04 Aug 2006
*) Feature: the "dav_access" directive.
*) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e",
"-x", and "!-x" operators.
*) Bugfix: a segmentation fault occurred if an request returned an
redirect and some sent to client header lines were logged in the
access log.
Igor Sysoev
http://sysoev.ru/en/