This documents functionality that has been in Apache 2.0 for over 6 months.

Since nobody knows how to update the man pages this functionality has gone
undocumented.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@97657 13f79535-47bb-0310-9956-ffa450edef68