RE: Any infrastructure to select one of a few options in Emacs core?

[Drew Adams]

> is there anything in core Emacs (i.e., no Melpa, and preferably no Elpa)
> to facilitate selecting one of a few (say, up to 10) options, each
> described in 2-3 lines of text?  (I know about the Widget library, but
> I'd prefer something more lightweight.)

Dunno what you mean.  There is menu-bar menu `Options' (which)
you can add to.  There is Customize, which you can add to
with `defcustom'.

Specify "facilitate selection one of a few options".