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.

diff --git a/doc/src/sgml/ref/create_operator.sgml b/doc/src/sgml/ref/create_operator.sgml
index e27512ff39193e0ded2e788cd98aab337ea9f3f1..d4d45ec357dd24c49bb39878ff8fafac6679826a 100644 (file)
--- a/doc/src/sgml/ref/create_operator.sgml
+++ b/doc/src/sgml/ref/create_operator.sgml
@@ -52,7 +52,8 @@ CREATE OPERATOR name (
    There are a few restrictions on your choice of name:
    
     
-     -- and /* cannot appear anywhere in an operator name,
+     
+     -- and /* cannot appear anywhere in an operator name,
      since they will be taken as the start of a comment.
      
     
@@ -72,8 +73,8 @@ CREATE OPERATOR name (
     
     
      
-     The use of => as an operator name is deprecated.  It may
-     be disallowed altogether in a future release.
+     The symbol => is reserved by the SQL grammar,
+     so it cannot be used as an operator name.