Hello rsc (cc: golang-codereviews@googlegroups.com), I'd like you to review this change to https://code.google.com/p/go
LGTM
*** Submitted as https://code.google.com/p/go/source/detail?r=ad2c29536c29 *** tag go1.4rc1 LGTM=dsymonds R=rsc, dsymonds CC=golang-codereviews https://codereview.appspot.com/175840043