Consequently use the IANA "x-" prefix for unofficial MIME types. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26930 a95241bf-73f2-0310-859d-f6bbb57e9c96
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26900 a95241bf-73f2-0310-859d-f6bbb57e9c96
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@11909 a95241bf-73f2-0310-859d-f6bbb57e9c96