This time you need to start or end on a line. It "should work as of r48155", but seems to be bugged again.
Current Blender version is 2.64.9, r52715
Also tested in;
-(close to)Latest Buildbot release (2.64.9, r52813)
To no avail, the bug still persists. Video is attached in a ".7z" to keep size down. Duplicate is above, but if you can't acess it;