Thanks to everyone for their interest in this topic.
In reference to
https://github.com/quicklisp/quicklisp-client/pull/128/, it is only a
minimal stop-gap measure which I found could fix the immediate problem
which I encountered. I know very little about ASDF and Quicklisp, so I
certainly had no
OK, I think I understand now. This happens when we need quicklisp not
just to load, but to install and load, defsystem depends on systems.
I just looked at Robert Dodier's bug fix,
https://github.com/quicklisp/quicklisp-client/pull/128/ and I'm a little
concerned that it could raise an error
