Message-ID: <40d1ad5294b3b167511b50cf4297eb1b695cd0e6.camel@cybertec.at>
Subject: Re: Perhaps an issue on the collation page?
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: jonathan.brune@feisystems.com, pgsql-docs@lists.postgresql.org
Date: Thu, 27 Apr 2023 11:21:14 +0200
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On Wed, 2023-04-26 at 21:20 +0000, PG Doc comments form wrote:
> Page: https://www.postgresql.org/docs/15/collation.html
>=20
> This page states:
>=20
> =C2=A0 Observe how in the traditional ICU locale naming system, the root =
locale
> is selected by an empty string.
>=20
> =C2=A0 CREATE COLLATION latinlast (provider =3D icu, locale =3D
> 'en-u-kr-grek-latn');
> =C2=A0 CREATE COLLATION latinlast (provider =3D icu, locale =3D
> 'en@colReorder=3Dgrek-latn');
>=20
> Neither of the locales are empty strings.

The sentence with the "empty string" refers to the example that was before:

  CREATE COLLATION "und-u-co-emoji-x-icu" (provider =3D icu, locale =3D '@c=
ollation=3Demoji');

There is nothing, that is an ampty string, before the "@".

Yours,
Laurenz Albe