Re: [PATCH] hstore: Fix parsing on Mac OS X: isspace() is locale specific

On Sun, Jun 18, 2023 at 12:38:12PM -0400, Tom Lane wrote:
> FWIW, I think the status quo is fine. Having hstore do something that
> is neither its historical behavior nor aligned with the core parser
> doesn't seem like a great idea.

Okay. Fine by me.

> I don't buy this argument that
> somebody might be depending on the handling of \v in particular. It's
> not any stronger than the argument that they might be depending on,
> say, recognizing no-break space (0xA0) in LATIN1, which the old code
> did (probably, depending on platform) and scanner_isspace will not.

Another thing that I was wondering, though.. Do you think that there
would be an argument in being stricter in the hstore code regarding
the handling of multi-byte characters with some checks based on
IS_HIGHBIT_SET() when parsing the keys and values?
--
Michael