|  | @@ -301,7 +301,7 @@ $(document).ready(() => {
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				|  |  |              setObjEnable($('a[name=base-opr][type=up-move]'), valid && first && sameParent && first.level > 1 && preNode);
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				|  |  |              setObjEnable($('a[name=base-opr][type=down-move]'), valid && first && sameParent && first.level > 1 && !tree.isLastSibling(last));
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				|  |  |              const posRange = last ? pos.getLedgerPos(last.id) : [];
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				|  |  | -            setObjEnable($('a[name=base-opr][type=up-level]'), valid && first && sameParent && tree.getParent(first) && !nodeUsed
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				|  |  | +            setObjEnable($('a[name=base-opr][type=up-level]'), valid && first && sameParent && tree.getParent(first)
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				|  |  |                  && first.level > 2 && ((!posRange || posRange.length === 0) || tree.isLastSibling(last)));
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				|  |  |              const preNodePosRange = preNode ? pos.getLedgerPos(preNode.id) : [];
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				|  |  |              setObjEnable($('a[name=base-opr][type=down-level]'), valid && first && sameParent
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