[[!comment format=mdwn
 username="david"
 avatar="http://cdn.libravatar.org/avatar/22c2d800db6a7699139df604a67cb221"
 subject="why make clean?"
 date="2020-08-14T16:59:44Z"
 content="""
I _think_ the problem was the existing dangling \"propellor\" symlink. But I could well be confused.
"""]]
