Merge r1675426, r1675429 from trunk:

PR57778

document legacy AddType/ForceType magic types as Handler names
for the curious.



typoes



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1675432 13f79535-47bb-0310-9956-ffa450edef68