Re: [18] Unintentional behavior change in commit e9931bfb75

On Tue, Apr 15, 2025 at 04:08:55PM -0700, Jeff Davis wrote:
> On Mon, 2025-04-14 at 13:44 -0700, Noah Misch wrote:
> > However, I think v17's
> > concept of separate PG_REGEX_ symbols for the default-locale case is
> > still the
> > right thing for v18.  In other words, this code should change to look
> > more
> > like v17, with the removal of non-locale_t calls being the main
> > change.
>
> I tried that in v2-0003, but I think it ended up worse. Most
> pg_wc_xyz() functions don't care if it's the default collation or not,
> so there are a lot of duplicate cases.

I'd likely adopt 0003, but I'm fine if you stop at 0002.

> + * As a special case, in the "default" collation we force ASCII letters to

I'd change s/we force/(2) and (3) force/ to make explicit that this isn't
specific to (3). That's all I would change in v2.