Summary: features for VOEvent v2.0

[Bob Denny]

The converse is also likely to be happening now - people constructing
"packets" as strings without any object model help (not even the "raw"
XML Document Object Model). Somewhere there needs to be a checker, like
at the publish port of brokers.

  -- Bob

Matthew G:
> It's worse than that - I believe that some projects continue to parse the packets as raw strings using regexes to extract data. Bugger this XML stuff!
>