Remove duplicate entry for R_PLAN (thanks Bruce).

Add entry for undocumented (?) KSQO.

diff --git a/doc/src/sgml/ref/set.sgml b/doc/src/sgml/ref/set.sgml
index 87742007efcd57cf793fd91500311669a9522cbb..8b84029471695c70175d8300b778e0e99d77fad5 100644 (file)
--- a/doc/src/sgml/ref/set.sgml
+++ b/doc/src/sgml/ref/set.sgml
@@ -20,7 +20,6 @@ SET
 
 
 SET variable { TO | = } { 'value' | DEFAULT }
-
 SET TIME ZONE { 'timezone' | LOCAL };
 
 
@@ -52,7 +51,7 @@ New value of parameter.
 
 
 
-         The possible variables and allowed values are:
+The possible variables and allowed values are:
 
 
 
@@ -197,16 +196,18 @@ set time zone to your local timezone
 
 
 
-                If an invalid time zone is specified, the time zone
-                becomes GMT (on most systems anyway).
+If an invalid time zone is specified, the time zone
+becomes GMT (on most systems anyway).
+
 
-                A frontend which uses libpq may be initialized by setting the PGTZ
-                environment variable.
+A frontend which uses libpq may be initialized by setting the PGTZ
+environment variable.
+
 
-                The second syntax shown above, allows one to set the timezone
-                with a syntax similar to SQL92 SET TIME ZONE.
-                The LOCAL keyword is just an alternate form
-                of DEFAULT for SQL92 compatibility.
+The second syntax shown above, allows one to set the timezone
+with a syntax similar to SQL92 SET TIME ZONE.
+The LOCAL keyword is just an alternate form
+of DEFAULT for SQL92 compatibility.
 
 
 
@@ -315,7 +316,7 @@ DEFAULT
 
 
 
-Equivalent to specifying SET GEQO=On
+Equivalent to specifying SET GEQO='on'
 
 
 
@@ -361,7 +362,7 @@ DEFAULT
 
 
 
-Equivalent to specifying SET R_PLANS=Off.
+Equivalent to specifying SET R_PLANS='off'.
 
 
 
@@ -375,11 +376,13 @@ Equivalent to specifying SET R_PLANS=Off.
 
 
 
-R_PLANS
+KSQO
 
 
 
-Determines whether right-hand plan evaluation is allowed:
+Key Set Query Optimizer forces the query optimizer
+to optimize repetative OR clauses such as generated by
+MicroSoft Access:
 
 
 
@@ -388,7 +391,7 @@ On
 
 
 
-enables right-hand evaluation of plans.
+enables this optimization.
 
 
 
@@ -396,7 +399,7 @@ Off
 
 
 
-disables right-hand evaluation of plans.
+disables this optimization.
 
 
 
@@ -404,7 +407,7 @@ DEFAULT
 
 
 
-Equivalent to specifying SET R_PLANS=Off.
+Equivalent to specifying SET KSQO='off'.
 
 
 
@@ -430,7 +433,8 @@ Value
 
 
 
-Maximum number of rows to return for a query.  The default is unlimited.
+Maximum number of rows to return for a query.  The default is to allow
+an unlimited number of rows.
 
 
 #
@@ -445,12 +449,12 @@ DEFAULT
 
 
 
-Sets the number of rows returned by a query to unlimited.
+Sets the maximum number of rows returned by a query to be unlimited.
 
 
 
-                By default, there is no limit to the number of rows
-       returned by a query.
+By default, there is no limit to the number of rows
+returned by a query.