Hello gobot@swtch.com, iant (cc: golang-codereviews@googlegroups.com), I'd like you to review this change to https://go.googlecode.com/hg/
*** Submitted as https://code.google.com/p/go/source/detail?r=ab7e873d13bd *** A+C: 申习之 (individual CLA) Generated by addca. TBR=iant R=gobot CC=golang-codereviews https://codereview.appspot.com/59550044