pgsql: Clarify documentation for the initcap function

From: Alexander Korotkov <akorotkov(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Clarify documentation for the initcap function
Date: 2025-07-29 07:44:09
Message-ID: E1ugf0L-001HBe-0J@gemulon.postgresql.org
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Clarify documentation for the initcap function

This commit documents differences in the definition of word separators for
the initcap function between libc and ICU locale providers.
Backpatch to all supported branches.

Discussion: https://postgr.es/m/804cc10ef95d4d3b298e76b181fd9437%40postgrespro.ru
Author: Oleg Tselebrovskiy <o(dot)tselebrovskiy(at)postgrespro(dot)ru>
Backpatch-through: 13

Branch
------
REL_18_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/1fe9e3822c4e574aa526b99af723e61e03f36d4f

Modified Files
--------------
doc/src/sgml/func.sgml | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

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