On Mon, Apr 4, 2022 at 2:10 PM Bart Schaefer <schaefer@brasslantern.com> wrote:
>
> On Mon, Apr 4, 2022 at 8:31 AM Bart Schaefer <schaefer@brasslantern.com> wrote:
> >
> > Remaining are that ${(V)...} doesn't output the same format in
> > single-byte mode, and that {$'\\0'..$'\\C-?'} doesn't expand to a
> > range.
>
> Here's a patch for the {a..z} discrepancy.  nicechar() now prefers the
> ^C format to \C-C, in line with multibyte.  I left a comment behind to
> note a branch that seemingly never occurs in single-byte?

I should have looked at ${(V)...} first.  Following patch discards the
single-byte-only implementation of nicechar() in favor of the
"fallback" implementation from multibyte, which fixes ${(V)...} and
supersedes the utils.c hunk of the previous patch.  (I've nevertheless
done them in sequence.)