ref: cdd072e1d40fed78c07e697ed8f21b16037a3d7a
parent: 47dd4de412379f09da7049b7b92080b54b4e4efd
parent: ea06cbe06b18b059cf14dae97a9e32c68a380132
author: ruil2 <ruil2@cisco.com>
date: Tue Jan 13 11:10:20 EST 2015
Merge pull request #1714 from sijchen/fix_ref4 [Encoder] enhance param checking with num-ref and related logging