> The use-case you describe is entirely valid - but I'd say it's more of a > niche strategy, better suited to feeds which are intended deliberately to > reflect a specific state at any given time (probably not a blog then). If > the feed were stateless, what would the point be? >
I certainly don't think it shoud be part of this spec. It should be part of the spec of the underlying format, since each might want to treat this differently.
