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1

The group is not currently used.

2

Unlike other pages, you cannot access this page from a web browser because the content-type of the result will invoke the media player.

3

The index must be reinitialized when underlying libraries change, or when changes to the browser demand additional indexing.

4

It is easy to find sample code that works in one or two browsers for simple cases by taking advantage of anomalies in various browsers, but none of them have worked in more complex scenarios.