http://svn.apache.org/r1734281
http://svn.apache.org/r1838055
http://svn.apache.org/r1838079
+ http://svn.apache.org/r1840229
http://svn.apache.org/r1876664
http://svn.apache.org/r1876674
http://svn.apache.org/r1876784
http://svn.apache.org/r1879078
http://svn.apache.org/r1881620
+ http://svn.apache.org/r1887311
http://svn.apache.org/r1888871
2.4.x patch: https://patch-diff.githubusercontent.com/raw/apache/httpd/pull/187.diff
(see https://github.com/apache/httpd/pull/187)