Darren suggested: > Use namespaces.
The upper/lower/mixed approach *is* a namespace approach. > Explicit versioning is your friend. > > Can I get some support for this? Not from me. ;-) I think it's a dreadful prospect to allow people to write documentation that they will have to rewrite when the Pod spec gets updated. Or, alternatively, to require all Pod parsers to be infinitely backwards compatible across all versions. :-( Damian