Meh. I'd prefer to have a path not in my PATH, and then explicitly call the binary with the full path .. and then append a #comment for easy recall with CTRL-R

Meh. I'd prefer to have a path not in my PATH, and then explicitly call the binary with the full path .. and then append a #comment for easy recall with CTRL-R at some point later in the future. A bit more fiddly perhaps, but future proof.