(one of the authors) We agree with you. Yes it is being discussed. But you can do it now with Hitch. Our goal with Hitch isn't necessarily to create a new standard, as much as it is to influence the standards to move more quickly. Likewise with browser vendors.

I read in that blog article you mentioned :local-link. Hitch also supports this but with even more ability: http://hitchjs.com/describe/bkardell.links/1

We'd love all the feedback we can get. Thanks for taking a look.