New link syntax

[John Gruber]

Daniel Axelrod <markdown at danonline.net> wrote on 03/31/04 at 5:54p:

> > Maybe implicit links should be rather more [[different]]. Or look
> > kind-of [linkish]->.
> 
> I like the `[[double bracket]]` syntax a lot.

I fail to see how 

    [[this]]

is a significant improvement over what we already have:

    [this][]

At least the latter is consistent with the syntax for regular link
references.

-J.G.