[I'm not sure why this was sent to Dispatch, as it doesn't seem to
As a work, this seems very useful, as it pulls together (or will pull
together) a lot of useful information about e-mail addresses in both
specification and practice. But the terminology needs to be clarified
at some point: a single document (or sentence) is either normative or
not. If something is a "best common practice", it is not normative, the
rules are set somewhere else.
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