Roster sequencing is good. I mentioned this concept to someone offlist and he said "well we could use something like that for disco and MUC history, too". That is, something like XEP-0150 (Use of Entity Tags in XMPP Extensions). I didn't have a good answer for him as to why we defined this only for rosters...
Peter -- Peter Saint-Andre https://stpeter.im/
smime.p7s
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