Aurora VS Canary Map and Set

[Brendan Eich]

Mark S. Miller wrote:
> OTOH, in alphas, betas, canarys, nightlys, or whatever prior to
> official release, it's also good to experiment with changes one is
> thinking of proposing -- in order to gain experience first. I doubt
> that is what is happening here, but if it is, we should not discourage
> it.

We should discuss first, though. The way to proceed is not for a browser 
vendor (especially one with market power to abuse, not saying this is 
any particular vendor! shifts over time) try stuff out that no peer has 
ever heard proposed in the strawman section of the wiki, even in an open 
issues or two-competing-straw-designs setting.

/be