Interesting look at your thinking. The zero node path shouldn't cause the issue because selecting all paths with the tool without first selecting the top-left corner item, doesn't crash. thus it's more likely the empty curve is being added all the same.
Interesting look at your thinking. The zero node path shouldn't cause the issue because selecting all paths with the tool without first selecting the top-left corner item, doesn't crash. thus it's more likely the empty curve is being added all the same.