`@match` documentation gone

[mauro3]

With c41c09b the @match documentation was removed. Was that intentional? The commit title doesn't suggest so.

[MikeInnes]

I think I just left it out because I've always found @capture to be tons more useful. If you want to add a quick note on the syntax back in I'd welcome it though.

[jakobjpeters]

I think if it's exported, it should be documented. I just saw the macro mentioned in the documentation, but there's no description on how to use it.