If the element has no label attribute: Text that is not inter-element whitespace Text http://www.w3.org/TR/html5/dom.html#text-content Text, in the context of content models, means either nothing, or Text nodes. Text is sometimes used as a content model on its own, but is also phrasing content, and can be inter-element whitespace (if the Text nodes are empty or contain just space characters). -----Original Message----- From: David Dorward Sent: Monday, April 18, 2016 6:24 AM To: Prune Master Cc: www-validator@w3.org Subject: Re: erroneous datalist error On 15 Apr 2016, at 19:37, Prune Master wrote: > Validator reports: "Element option without attribute label must not be empty." > > Where does this quoted error text even come from? > > I do not see any such prohibition in the HTML5 option element content model spec. I do. >> If the element has a label attribute and a value attribute: Empty. So it has a label, so it isn't that case. >> If the element has a label attribute but no value attribute: Text. Also has a label, so it isn't that case >> If the element has no label attribute: Text that is not inter-element whitespace. Here we are. No label. Check. Content must be "Text that is not inter-element whitespace", which means "must not be empty". -- David Dorward http://dorward.co.uk/Received on Monday, 18 April 2016 17:12:26 UTC
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