links to nested structure

[Adam D. Ruppe]

Jonathan M Davis wrote:
> DDoc does not understand scoping at all.

Actually, DDoc understands scoping very well, and even outputs
the data with appropriate nesting in HTML!

The problem is that the <a name=""> anchors discard that
information for whatever reason.

I'm not sure if it's just another crappy macro in the std.ddoc or
if it's that the full name isn't made available by ddoc, but either
way, the HTML actually does show scopes properly. A post-processor
can create proper anchors from just that existing structure!