I have this building on FC11 (updated) and running. Seems to work fine.
Just need someone to commit it.
https://bugzilla.redhat.com/show_bug.cgi?id=452636
$ rpmlint ../../SPECS/mod_proxy_html.spec
0 packages and 1 specfiles checked; 0 errors, 0 warnings.
$
Updated the bug with new attachments (version 3.1.2).