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Is there a specification of the order or Folgezettels in the z-index? They seem to appear randomly.
Could I advice to use the same order, as they appear on the page?
Look at for example the Guide page here: https://neuron.zettel.page/guide.html
And look at it in the z-index: https://neuron.zettel.page/z-index.html
Z-index is order is not defined; it ultimately uses dfsForest. There is certainly room for improvement to make the order deterministic.