Clarify documentation for the initcap function

Alexander Korotkov <akorotkov@postgresql.org>

Commit: d861b9282261b066a1147d920a27527c22dc499d
Author: Alexander Korotkov <akorotkov@postgresql.org>
Date: 2025-07-29T07:43:36Z
Releases: 16.10
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.tselebrovskiy@postgrespro.ru>
Backpatch-through: 13

Files

PathChange+/−
doc/src/sgml/func.sgml modified +5 −2

Documentation touched

Discussion