On the multi-track issue: > I agree, but think that the "nice feature" is the possibility of having parallel text tracks, while having mutually exclusive tracks is absolutely fundamental. If we can't handle grouping in a nice way we can discard it and require scripts to achieve parallel text tracks. But let's finish this in the HTML WG. I would continue to argue that two separate concepts are being mixed here: 1. a general mechanism for selecting alternative forms of content (or structure), and 2. a synchronization mechanism that allows 0, 1, or more elements to be displayed at the same time. The first (which SMIL handles as <switch> and which is being reinvented here as <trackgroup>) should be totally decoupled from the second (which SMIL handles as <par>,<seq> and <excl>). It will make your life -- and that of authors -- much easier in the future. -d.Received on Thursday, 11 March 2010 14:27:22 UTC
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