doc/go1.1.html: document the surrogate and BOM changes
doc/go1.1.html: document the surrogate and BOM changes

R=golang-dev, adg
CC=golang-dev
https://codereview.appspot.com/7853048

h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang