On the topic of playlists:

On 3/24/07, Nicholas Shanks <[EMAIL PROTECTED]> wrote:
How about:

<playlist><ol>
        <li><audio src="foo" type="...">Audio fallback</audio></li>
        <li><video src="bar" type="...">Video fallback</video></li>
</ol></playlist>

User agents that don't support playlist, audio and video just get an
ordered list of fallback text.
UAs that do support them also benefit in being able to negotiate each
variant individually instead of getting whatever collection of media
files the "playlist movie" decides upon.
And perhaps playlists with a <ul> child can play the media in any
order, not necessarily source order, presumably whatever item becomes
available first.

There is an existing xml specification for playlists at http://www.xspf.org/ .

I suggest treating playlists as objects in their own rights, so they
can be shared across different web pages. Thus, a playlist should
rather be embedded like this:

<playlist src="playlist.xspf">

Regards,
Silvia.

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