> On 29 Mar 2017, at 7:34, Dave Crocker <dhc@xxxxxxxxxxxx> wrote: > > On 3/29/2017 7:19 AM, Yoav Nir wrote: >> I question how useful it is. The obsoletes/obsoletedBy relationship is >> semantically overloaded. Consider the header of RFC 4306: > > Yoav, > > Thanks for the thoughtful (and quick) response. Yes, the total model and application of its details are more complicated. But I found myself relying on a very simple distinction: > > If someone wants to do research and explore old stuff, they can still do that. The can still merrily wander the link sequences. > > However "Obsoleted By" means "don't use the old stuff". > > So if one merely wants to get (or wants to cite) the most recent version of what they /should/ use, then the feature I'm suggesting will support that. More easily and reliably than can happen now. > Right. It is a useful thing (and may be a task for next IETF’s code sprint). People should just know that they might get surprising results. Yoav
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