As per Rick Ohnemus' <rick@ecompcon.com> suggestion in PR#2914,

apache now (logs and) ignores duplicate occurences of
"HTTP/1.0 200 OK" lines often generated by IIS servers.

PR: 2914


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81976 13f79535-47bb-0310-9956-ffa450edef68