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?