Changes with nginx 0.5.3 13 Dec 2006
*) Feature: the ngx_http_perl_module supports the $r->status,
$r->log_error, and $r->sleep methods.
*) Feature: the $r->variable method supports variables that do not
exist in nginx configuration.
*) Bugfix: the $r->has_request_body method did work.
Igor Sysoev
http://sysoev.ru/en/