[[!comment format=mdwn
 username="joey"
 subject="""comment 1"""
 date="2020-07-13T16:24:55Z"
 content="""
Aha, seekFilteredKeys is not prepared for the file list action that's
passed to it to throw an exception, but in this one case at least, it can.

Thanks for reporting, I've fixed it.
"""]]
