error about unknown named parameters: should say what they were passed to #5190
I had intended to send this 2 months ago (whoops) but got buried in inbox...
This from a discussion on p6-users (
On Mon, Jan 25, 2016 at 2:07 PM, Brandon Allbery <firstname.lastname@example.org>
As it turns out, while one would naïvely expect :exists to have been