It's the continuing balance between ease-of-use and generality. At a literal level, you can't use the same tree items in multiple places in the tree, because then various properties would become ambiguous, properties like TVGN_PARENT or TVIS_EXPANDED. (If a tree could be in two places, then it would have two parents, for example.) Of course...
Some people wondered about my fascination with Germanic languages and asked why I didn't branch out to other language families. It's basically laziness. I grew up speaking English (and a little of the Holo dialect, most of which has by now vanished from disuse), then studied German in high school and college, and most recently added Swed...
It's the continuing balance between ease-of-use and generality. At a literal level, you can't use the same tree items in multiple places in the tree, because then various properties would become ambiguous, properties like TVGN_PARENT or TVIS_EXPANDED. (If a tree could be in two places, then it would have two parents, for example.) Of course...
