hunner/puppetlabs-apache — pull request #10 by Aethylred (2013-02-27 01:35:15+00:00)
Title: This should allow RequestHeader statements to be passed to a vhost.

This. can either be a single string or and array of statements.

More detail on RequestHeader declarations can be found here:
http://httpd.apache.org/docs/2.2/mod/mod_headers.html#requestheader