Remove mention of INSTANCE rule system, because it is gone.

diff --git a/doc/src/sgml/ref/create_rule.sgml b/doc/src/sgml/ref/create_rule.sgml
index e81de58afdb36c10bdae404634c466bc19f2b1fc..05d2e668a9a8474d0fdf8858b23a85012c1cd55d 100644 (file)
--- a/doc/src/sgml/ref/create_rule.sgml
+++ b/doc/src/sgml/ref/create_rule.sgml
@@ -1,5 +1,5 @@
 
 
@@ -191,12 +191,6 @@ ON UPDATE TO emp-1.salary WHERE emp-2.name = "Joe"
     action can be the keyword
     NOTHING.
    
-   
-    When choosing between the rewrite and instance rule systems for a
-    particular rule application, remember that in the rewrite system,
-    current refers to a relation and some qualifiers
-    whereas in the instance system it refers to an instance (tuple).
-   
    
     It is very important to note that the rewrite rule system
     will neither detect nor process circular rules. For example, though each