DO NOT MERGE: Disallow namespace nodes in XPointer ranges am: 1d8878ba am: f97a6df1 am: c39a5885 -s ours am: 50ac6bf0 -s ours am: 13469893 am: fa5edf71 -s ours Change-Id: If8f3f340695f7cf948b55679c94d4215277db507