In-reply-to » is there consensus on what characters should(n't) be allowed in nicks? i remember reading somewhere whitespace should not be allowed, but i don't see it in the spec on twtxt.dev — in fact, are there any other resources on twtxt extensions outside of twtxt.dev?

@zvava@twtxt.net In tt, I recognize umlauts in nicks, but they cannot include whitespace, @, !, #, (, ), [, ], <, >, " (but ' is okay). Whitespace also acts as a separator between nick and URL. @<Hello World http://example.com> ends up exactly like that and is not a mention.

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