Dang it ... couldn't edit after looking for stuff longer ... so this a follow up ...
Found this:
The only way to prevent people from making changes to your document is to change their access to either "comment" or "view." Comment access will still allow them to make comments or suggested edits, but they won't be able to change anything in your document directly.
And maybe something to tinker with ...
https://docs.google.com/document/d/18xehpZwke85OL-gpOMuIxFGf25c_kN4kDtHAB4U0MlM/edit?usp=sharing
'SoS', Ken