I still cringe when I see spaces in filenames. I mean three extra keystrokes and even to have to hold down the Shift key! For what, I say. Either your a very fast typist or a masochist. Still cringing!
It will be incorporated. Actually I plan to streamline ondemand in 4.6, I hope you will be willing to test your "spaces" during the release candidate cycle and not wait until a day one event as many did with 4.5