Baffled by readline module

[2QdxY4RzWzUUiLuE at potatochowder.com]

On 2023-03-09 at 15:02:53 -0800,
Grant Edwards <grant.b.edwards at gmail.com> wrote:

> Yeesh. What's _really_ embarassing is that I just stumbled across a
> small test program with which I had apparently figured this out 10-12
> years ago.  Must be about time to retire...

Retiring doesn't help.  :-)

I retired almost five years ago, and I just (within the past few days)
(re)discovered a command line parsing library I'd written about a year
and a half ago (i.e., after I retired).

Dan