Use of ODF extensibility features? - Question for WG6 meeting today, in about 75 minutes

Greetings!

Preparing for the WG6, the ODF mirror group in SC34 and the question as
come up:

How often are extensibility mechanisms used in ODF applications?

Thoughts? Where to look?

Thanks!

Patrick

-- 
Patrick Durusau

Technical Advisory Board, OASIS (TAB)
Editor, OpenDocument Format TC (OASIS), Project Editor ISO/IEC 26300
Co-Editor, ISO/IEC 13250-1, 13250-5 (Topic Maps)

Another Word For It (blog): http://tm.durusau.net
Homepage: http://www.durusau.net
Twitter: patrickDurusau