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由 Paul Mackerras 提交于
When "Show nearby tags" is turned off and the user did a cherry-pick, we were trying to access variables relating to the descendent/ancestor tag & head computations in addnewchild though they hadn't been set. This makes sure we don't do that. Reported by Johannes Sixt. Signed-off-by: NPaul Mackerras <paulus@samba.org>
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