On 6/3/20 10:50 PM, Dave Cridland wrote:> That said, I think there's two useful things we can do here: > > 1) Validation information is clearly useful in this case; we should add > that to the XEP-0068 registry by an update to XEP-0068
I would like to avoid steering us in a world where we are required to explicitly mark registry entries as extensible. Instead, registry entries should simply assumed to be extensible. Just like we assume that XML elements are extensible in XMPP, and for that reason also do not explicitly declare that extensibility in your XML schemas (minus a few exceptions). Otherwise, we would need to perform this over and over again for every add-on XEP that deals with elements that are part of a registry, for no reason. There is *no* advantage in explicit stating it: Just as on the protocol level, either the extended additional information was negotiated, and you are prepared for it, or you are not required to understand it, and can simply ignore it while processing the registry entry. - Florian
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