Looking further it seems the argument is just_one and defaults to false, which differs from the parameters to find
When starting to write this issue I didn't know which was wrong (docs or code), but looking at the code it changed in 1.2 from multiple to just_one, but without announcing it in NEWS, or updating the documentation, so presumably it's the documentation that's wrong.
The documentation lists
When trying to set the multiple parameter to TRUE I get the following error
Looking further it seems the argument is
just_one
and defaults to false, which differs from the parameters tofind
When starting to write this issue I didn't know which was wrong (docs or code), but looking at the code it changed in 1.2 from multiple to just_one, but without announcing it in NEWS, or updating the documentation, so presumably it's the documentation that's wrong.