First cut at incorporating anonymous fields of pointer types into the spec.
First cut at incorporating anonymous fields of pointer types into the
spec.

I have deliberately removed the wording about receivers where it was
before because I think it needs to be more precise. There is a TODO.

DELTA=90  (54 added, 0 deleted, 36 changed)
OCL=17597
CL=17716

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go