[Standards] Detecting PEP support
teddsterr at outlook.com
Mon Jul 9 12:30:03 UTC 2018
One can certainly send a disco#info to server on which you don't have an account, and the response is as expected, but that still requires an account on _a_ server - so the reply can be directed to you.
For pre-registration, I think support would have to be listed as a Stream Feature.
That said, you could just try it -- connect to a server and send a disco#info without any 'from' attribute; but I would expect an error response.
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