On Sun, May 13, 2012 at 6:01 PM, Benjamin Hawkes-Lewis <bhawkesle...@googlemail.com> wrote: > On Sun, May 13, 2012 at 5:21 PM, Mathew Marquis <m...@matmarquis.com> wrote: >> When we get ?something new to optimize for,? we start adding that thing >> going forward. The evolution of media queries?or, say, HTML5?hasn?t led to a >> need to constantly revisit every piece of client work a developer has ever >> produced. > > In the case of webkit prefixes, authors have needed to update their > work, have failed to do so, and now user agents are having to support > webkit prefixes.
Agreed, but I don't think it's a fair comparison - we're not talking about deprecating <img> with either new proposal. Existing work isn't becoming invalid. It'll be something we can use to do a better job from now on.
