Merge r326143 from trunk:

Document Roy's recent discovery that plain Alias/Redirect only
match complete path segments.  I haven't tested the examples,
but they seem to be right according to the code.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@326144 13f79535-47bb-0310-9956-ffa450edef68