Revise URL query code. Provide URL when trying to forward.


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@5951 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Prevent forwarding deleted stuff.


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@5952 63ad8ddf-47c3-0310-b6dd-a9e9d9715204