Microsoft's OOXML format is seriously flawed


According to Rob Weir's blog, Microsoft's 325-page OOXML specification for spreadsheet formulas is deeply flawed. From basic trigonometric functions that forget to specify units, to statistical functions, to critical financial functions — the specification does not contain correct formulas that could possibly be implemented in an interoperable way.
http://developers.slashdot.org/article.pl?sid=07/07/11/0015240&from=rss