[whatwg] <picture> / <img srcset> not needed

[Aldrik Dunbar]

> This is *way* more verbose than either <picture> or <img srcset>,
The HTML is far simpler (a single <img>), it keeps content separate from
the presentation and it works today. More elegant formats (that load
progressively) may be available in the future but the point is that we
don't need any extra HTML markup.

> doesn't interact with preloading
None of the proposed options can be reliably preloaded, can they?

> and doesn't do any kind of negotiation resolution.
I'm sorry, not sure what you mean.