I have discovered more precise rules for how CMD handles wild cards, especially how wild cards are used in the REN(AME) target name. It would be great if the SS64 Wildcards and REN reference pages were updated.
I have posted the rules on the StackExchange SuperUser site:
I discovered a mistake regarding sourceMask mismatch in the last example of my SU post. I fixed the SU post. You might want to do the same