This looks like a pleasant "bug", but it should be made into a feature! I've had some elements mysteriously become "Undefined", but I was unable to extract from my associate, who drew them, how he performed such a miracle. He said it was a mistake... one I would like to duplicate!
Chuck Kottka
Orcutt Winslow
Phoenix, Arizona, USA
ArchiCAD 25 (since 4.5)
Macbook Pro 15" Touchbar OSX 10.15 Core i7 2.9GHz/16GB RAM/Radeon Pro560 4GB