Update the unsafe docs for the new type implementation. Please correct as needed.
Update the unsafe docs for the new type implementation.
Please correct as needed.

R=rsc,r
DELTA=10  (4 added, 1 deleted, 5 changed)
OCL=31305
CL=31305

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