[whatwg] Make "foo at bar.com, " a valid email address list

[Rob Crowther]

Anne van Kesteren wrote:
> I do not really get why it being comma-separated is not just the 
> submission format. The UI could be quite different. E.g. on the iPhone 
> email client it is more like an inline list. I think the specification 
> is simply not abstract enough here, as it is for the other controls.
> 
Is there ever likely to be a DOM API for multiple, eg. offering the 
value as an array rather than as a string?  If there was going to be 
then I could see a case for clearing up how trailing commas should be 
dealt outside of a submission format.

Rob