tree ea724f5d358da28adaf60d00a56ba0e160db5838
parent aa7cdd084b87c1debf8c6f4b8cdbb294978771e0
author Steve Yen <steve.yen@gmail.com> 1383805869 -0800
committer Steve Yen <steve.yen@gmail.com> 1383805869 -0800

mkNode() does ItemValAddRef().