fix an HTML glitch. say a little more about package main.
fix an HTML glitch.
say a little more about package main.

R=rsc
DELTA=7  (4 added, 0 deleted, 3 changed)
OCL=25725
CL=25725
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go