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by mro_name 1572 days ago
my favourite is the spec that was changed after the fact:

Applications using this syntax may choose, for the sake of readability, to specify a full-date and full-time separated by (say) a space character.

https://datatracker.ietf.org/doc/html/rfc3339#section-5.6

But what harm does it to restrict oneself to a few html tags?