Reply to: Element no longer read-only after undoFebruary 4, 2021 at 6:04 pm
rng.ReadOnlyContainer = False
rng.NonRemovableContainer = False
The two lines about are not executed as commands. This is why they are not undoable.
At present, there is no workaround it. I will add the issue to the backlog of XMetaL 16.