people often assume that their Aliases will be found by "best match" rather

than "first match". Throw out warnings, if there are obvious overlappings, e.g.:

Alias /foo     /somewhere
Alias /foo/bar /elsewhere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@98647 13f79535-47bb-0310-9956-ffa450edef68