This has happened to me once - and it may sound completely crap, but randomly, I tried moving all the problematic clips up and back down a layer (or down and back up, somewhere else from where they're currently positioned but still parallel on the timeline), and suddenly they all started showing up again. No idea why, but hey, it's worth a go.
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timeasmymeasure
no subject
Date: 2008-09-02 12:05 pm (UTC)