Doc: update CREATE OPERATOR's statement about => as an operator.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 52f22cd4e894ea2ff6a8c497ef4268b2726a9da9
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2023-10-20T17:01:02Z
Releases: 17.0
Doc: update CREATE OPERATOR's statement about => as an operator.

This doco said that use of => as an operator "is deprecated".
It's been fully disallowed since 865f14a2d back in 9.5, but
evidently that commit missed updating this statement.
Do so now.

Files

PathChange+/−
doc/src/sgml/ref/create_operator.sgml modified +4 −3

Documentation touched