template/parse: give if, range, and with a common representation. No external changes.
template/parse: give if, range, and with a common representation.
No external changes.

R=nigeltao
CC=golang-dev
http://codereview.appspot.com/4940042
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go