softwarefreedom.org – Microsoft’s Open Specification Promise: No Assurance for

[ Thanks to Roland
for this link. ]

“Because of this narrow definition of the covered
specifications, no future versions of any of the specifications are
guaranteed to be covered under the OSP. Each new version is subject
to Microsoft’s ongoing discretion on a case by case basis. In other
words, every time a specification changes, Microsoft can
effectively revoke the OSP as it had applied to previous versions
of that same specification.”