XEP-0198: Clarify server enabling SM without requested resumption #1376
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When a client requests stream management to be enabled and asks for stream resumption, it's not unreasonable for people to assume that the server may 'fail' the request if it doesn't offer the requested resumption. The pre-existing test does allow the server to enable SM without the requested resumption feature, but isn't overly clear.
This commit adds a note clarifying this scenario (and provides a rationale).
This was discussed briefly in the XSF Discussion MUC.