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Now: it just means that the authoring tool doesn't have to verify that when the user uses a tool for inserting contact information for a section, that the user really is doing that and not inserting something else instead. Suggested: it just means that the authoring tool doesn't have to verify, if a user inserts contact information for a section or something else. Comment: I think it would be clear enough to cut half the sentence, since it is not really giving any new information. Everything is said already.
HTML5.1 Bugzilla Bug Triage: Fixed update per suggestion. https://github.com/w3c/html/pull/238