What version are you running?
Review Board RC3 r2004
What's the URL of the page containing the problem?
http://demo.review-board.org/r/1931/diff/1/#index_header
What steps will reproduce the problem?
1. Publish two diff sets.
2. Upload the 3rd set, don't publish it.
3. Try view inter-diff with 1 and 3.
What is the expected output? What do you see instead?
Inter-diff of 1-3.
404 with URL like:
http://demo.review-board.org/r/1931/diff/[781]%20404.patch%20r1-None/
#index_header
What operating system are you using? What browser?
Windows, IE8 and Opera tested.
Please provide any additional information below.
