Revert "Clarify documentation for the initcap function"

Alexander Korotkov <akorotkov@postgresql.org>

Commit: 2ae8280d16c980a9dd68894190fc08c39f6522da
Author: Alexander Korotkov <akorotkov@postgresql.org>
Date: 2025-08-07T11:11:49Z
Releases: 18.0
Revert "Clarify documentation for the initcap function"

This reverts commit 1fe9e3822c4e574aa526b99af723e61e03f36d4f.  That commit
was a documentation improvement, not a bug fix.  We don't normally backpatch
such changes.

Discussion: https://postgr.es/m/d8eacbeb8194c578a98317b86d7eb2ef0b6eb0e0.camel%40j-davis.com

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doc/src/sgml/func.sgml modified +2 −5

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