User blog comment:Sarah Manley/ Product Update - Video/@comment-188432-20120320144848/@comment-188432-20120320153642

Sorry, obviously my proposal of  couldn't work because colons aren't allowed in ns:6 names. But it could be  or any one of another myriad alternatives. The point is simply an automatic name that makes the first part of the name of a video file distinct from other types of file.