Good, but three word-based lines makes it a bit dull.

doppeler does not work

@dave.How does it not work? It works for the group it's in. In fact, it's the reason I made that group with that link. It doesn't work for the group it's a red herring for, but it doesn't have to work for a group it's not part of, does it? Perhaps I've misunderstood.

double checked, seen you've entered that word before and after and inside