Microsoft Office Formats Not Really Being Opened?

href="http://slashdot.org/article.pl?sid=05/02/01/024208">Slashdotted:

Contradicting this earlier article claiming otherwise,
smith_barney writes "Contrary to reports, Microsoft is not opening up its
proprietary Office XML schemas. Essentially, the state of Massachusetts is
simply repositioning what it considers an 'open format.' According to a
report in BetaNews, Microsoft told the state it would ease licensing
restrictions, but only for 'end users who merely open and read government
documents.' This hasn't stopped Microsoft from tooting its horn, but
Jupiter Research senior analyst Joe Wilcox says, 'Buzz about so-called open
formats is little more than PR FUD.'"