allow users to workaround the over-agressive backreference
escaping by selecting the characters to escape. 



git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1584417 13f79535-47bb-0310-9956-ffa450edef68
add CHANGES for r1584417


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1584421 13f79535-47bb-0310-9956-ffa450edef68
leave a warning about cc_out


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1584429 13f79535-47bb-0310-9956-ffa450edef68
mod_expires: don't add Expires header to error responses (4xx/5xx),
             be they generated or forwarded. PR 55669.


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1584430 13f79535-47bb-0310-9956-ffa450edef68
Follow up to r1584430.


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1584434 13f79535-47bb-0310-9956-ffa450edef68
Move entry already backported to 2.4.8.

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1584443 13f79535-47bb-0310-9956-ffa450edef68