On May 13, 2011, at 3:53 PM, Ted Dunning wrote: > But "distribution Z includes X" kind of implies the existence of some such > that X != Y, Y != empty-set and X+Y = Z, at least in common usage. > > Isn't that the same as a non-trunk change? > > So doesn't this mean that your question reduces to the question of what > happens when non-Apache changes are made to an Apache release? And isn't > that the definition of a derived work? Yup. Which is why I doubt *any* commercial entity can claim "includes Apache Hadoop" (including Cloudera).