Related to the issue I just posted...
I wanted to duplicate an existing Field Group (because it had a field I cannot add to a new Field Group).
I think this feature doesn't exist, but there is an Import/Export field group.
I did not want to import a field group with the same name/ID (what would happen?), so I went to edit the .dat file.
Of course when I open it, it's encrypted or otherwise not editable by me.
To be safe here's what I did:
This worked, and I just edited the fields in that group. BTW, the custom taxonomy field works in this "cloned" field group.
To avoid this extra work I did, maybe