tree 3e0e578ff6837946720be5be34b2a338fd2bfb65
parent b329b04775942611f115866b191bcaff6025d4c4
author Andrew Gerrand <adg@golang.org> 1320360782 +1100
committer Andrew Gerrand <adg@golang.org> 1320360782 +1100
golang-hg 316215eb8cc875d142d486c068e43c2cf165c4f2

gotour: resolve ambiguous reference to PI

Some people were confused when math.Pi worked, but not math.PI.
Making this paragraph abstract helps.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5311084