ref: 482ea3b5682f4a34c30ddc3546424ba1f8429bf7
parent: e24bcc37239283534785e2e2a31393f20ae6c9b7
author: Ori Bernstein <orib@google.com>
date: Tue Aug 14 14:13:00 EDT 2012
Use ':' instead of ',' in slice ranges.
It's clearer notation, IMO.