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Section: http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state Comment: If this state does not conform to RFC 5322, how IS it of practical use? Posted from: 66.41.142.143
By matching which e-mail addresses are acceptable in the real world. See <http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2009-August/022486.html> for more information.