Remove start attribute from ZSTree. #95
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This attribute was read from but never mutated.
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Hi Sarah, Thanks for the PR, it seems that you are right, I am wondering now why we defined this attribute, maybe I will take a look into Zhang and Shasha original article to understand it. |
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I have a vague idea that maybe you had intended to use ZS to match subtrees, but it's only a guess. FWIW |
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OK, I never found the reason for this start attribute, therefore I merged your code (however not via the PR because of conflicts). Thanks! |
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This attribute was read from but never mutated.