ref: 7b50333e8fa27ac9f9b0df484d807992146eadb0
parent: 603931e291ddfe50eab1ea2257d3bdc3c58b81d3
parent: 680ec32d18b4e879cb092e3ace7818b85ee005c2
author: Dmitry Kovalev <dkovalev@google.com>
date: Fri Aug 2 12:54:32 EDT 2013
Merge "Adding is_inter_block function."