fine-tune-v2.patch

diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index 7bd1da3..e079d23 100644
--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -673,7 +673,7 @@ Indexes:
    valid, once all partitions acquire the index.)  Note, however, that
    any partition that is created in the future using
    <command>CREATE TABLE ... PARTITION OF</command> will automatically
-   contain the index regardless of whether <literal>ONLY</literal> was
+   contain the index regardless of <literal>ONLY</literal> being
    specified.
   </para>
 
diff --git a/doc/src/sgml/release-11.sgml b/doc/src/sgml/release-11.sgml
index a945502..bb7d4c5 100644
--- a/doc/src/sgml/release-11.sgml
+++ b/doc/src/sgml/release-11.sgml
@@ -49,7 +49,7 @@
        </listitem>
        <listitem>
         <para>
-	 Allow creation of a "default" partition for storing rows which are
+         Allow creation of a "default" partition for storing rows which are
          excluded by bounds of all other partitions.
         </para>
        </listitem>
@@ -591,8 +591,9 @@
 -->
 
        <para>
-        Allow <literal>UNIQUE</literal> indexes on partitioned tables if
-        the partition key is included in the index (&Aacute;lvaro Herrera, Amit Langote)
+        Allow <literal>UNIQUE</literal> indexes on partitioned tables when
+        the partition key is included in the index key (&Aacute;lvaro Herrera,
+        Amit Langote)
        </para>
       </listitem>
 
@@ -606,14 +607,14 @@
        </para>
 
        <para>
-	This is not a global index, but rather a mechanism to create indexes on
-	on each partition of a partitioned table.  
+        This is not a global index, but rather a mechanism to create indexes on
+        on each partition of a partitioned table.  
        </para>
 
        <para>
         The new command <link linkend="sql-alterindex"><command>ALTER
-	INDEX ATTACH PARTITION</command></link> allows an index on a partition
-	to be inherited by the index on its partitioned tables.
+        INDEX ATTACH PARTITION</command></link> allows an index on a partition
+        to be inherited by the index on its partitioned tables.
        </para>
       </listitem>
 
@@ -656,7 +657,7 @@
 
        <para>
         Creation of a trigger on partitioned tables automatically creates
-        triggers on all existing and future partitions.
+        triggers on all existing and any future partitions.
         This also allows deferred unique constraints on partitioned tables.
        </para>
       </listitem>
@@ -669,14 +670,16 @@
 -->
 
        <para>
-        Allow partitioned tables to be joined directly for equality joins with
-        identically partitioned child tables.  (Ashutosh Bapat)
+        Allow joins between partitioned tables to be performed directly
+        on partitions.  (Ashutosh Bapat)
        </para>
 
        <para>
-        This feature is disabled by default
-        but can be enabled by changing <link
-        linkend="guc-enable-partitionwise-join"><varname>enable_partitionwise_join</varname></link>.
+        This applies to equality joins between partitioned tables whose
+        partitions have exactly the same partition bounds.
+        This feature is disabled by default but can be enabled by changing
+        <link linkend="guc-enable-partitionwise-join"><varname>enable_partitionwise_join</varname></link>.
+
        </para>
       </listitem>
 
@@ -687,14 +690,13 @@
 -->
 
        <para>
-        Allow first performing aggregate functions on each partition and then
-        merging the results.  (Jeevan Chalke, Ashutosh Bapat, Robert Haas)
+        Allow aggregate functions on partitioned tables to be evaluated
+        directly on partitions.  (Jeevan Chalke, Ashutosh Bapat, Robert Haas)
        </para>
 
        <para>
-        This feature is disabled by default
-        but can be enabled by changing <link
-        linkend="guc-enable-partitionwise-aggregate"><varname>enable_partitionwise_aggregate</varname></link>.
+        This feature is disabled by default but can be enabled by changing
+        <link linkend="guc-enable-partitionwise-aggregate"><varname>enable_partitionwise_aggregate</varname></link>.
        </para>
       </listitem>
 
@@ -875,8 +877,9 @@ same commits as above
        </para>
 
        <para>
-        This is also useful for including columns that don't have btree
-        support.
+        This is also useful for including columns in a unique or
+        exclusion constraint which shouldn't participate in uniqueness, or
+        for including columns that don't have btree support.
        </para>
       </listitem>
 
@@ -1097,7 +1100,8 @@ same commits as above
 
        <para>
         This feature requires <application>LLVM</application> to be
-        available, and it is currently disabled by default.
+        available.  Even in builds that include <application>LLVM</application>,                                                                                                                                                
+        <acronym>JIT</acronym> compilation is disabled by default.                                                                                                                                                             
        </para>
       </listitem>
 
@@ -1493,7 +1497,7 @@ same commits as above
        </para>
 
        <para>
-        The new unit suffix is "B".  This is in addition to "kB", "MB", "GB"
+        The new suffix is "B".  This is in addition to "kB", "MB", "GB"
         and "TB".
        </para>
 
@@ -1529,12 +1533,12 @@ same commits as above
 -->
 
        <para>
-        Retain <acronym>WAL</acronym> for a single checkpoint, only.
+        Retain <acronym>WAL</acronym> spanning a single checkpoint, only.
         (Simon Riggs)
        </para>
 
        <para>
-        Previously, <acronym>WAL</acronym> was retained for two checkpoints.
+        Previously, <acronym>WAL</acronym> spanning two checkpoints was retained.
        </para>
       </listitem>
 
@@ -1626,7 +1630,6 @@ same commits as above
 
        <para>
         This allows efficient advancing of replication slots when the
-????
         contents do not need to be consumed.  This is performed by
         <function>pg_replication_slot_advance()</function>.
        </para>
@@ -1706,8 +1709,8 @@ same commits as above
 -->
 
        <para>
-        Allow <command>ALTER TABLE</command> to avoid a table rewrite when
-        adding a column with a non-null default (Andrew Dunstan, Serge Rielau)
+        When adding a column with a non-null default, avoid rewriting the table.
+        (Andrew Dunstan, Serge Rielau)
        </para>
       </listitem>
 
@@ -1970,7 +1973,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
         PROCEDURE</command></link> command and invoked via <link
         linkend="sql-call"><command>CALL</command></link>.  The new
         <command>ALTER</command>/<command>DROP ROUTINE</command> commands
-        allow altering/dropping of procedures, functions, and aggregates.
+        allow for altering/dropping of procedures, functions, and aggregates.
        </para>
       </listitem>
 
@@ -2030,7 +2033,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
 
        <para>
         Add extension <application>jsonb_plpython</application> to
-        transform <type>JSONB </type>to/from PL/Python types (Anthony
+        transform <type>JSONB</type> to/from PL/Python types (Anthony
         Bykov)
        </para>
       </listitem>
@@ -2042,7 +2045,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
 
        <para>
         Add extension <application>jsonb_plperl</application> to transform
-        <type>JSONB </type>to/from PL/Perl types (Anthony Bykov)
+        <type>JSONB</type> to/from PL/Perl types (Anthony Bykov)
        </para>
 
       </listitem>
@@ -2121,7 +2124,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
 
        <para>
         Add <application>psql</application> command \gdesc to display
-        the column names and types of the query output (Pavel Stehule)
+        the names and types of the columns in query results (Pavel Stehule)
        </para>
       </listitem>
 
@@ -2154,7 +2157,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
        </para>
 
        <para>
-        Specifically , the syntax <literal>:{?variable_name}</literal>
+        Specifically, the syntax <literal>:{?variable_name}</literal>
         allows a variable's existence to be tested in an \if statement.
        </para>
       </listitem>
@@ -2290,7 +2293,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
 -->
 
        <para>
-        Add <application>pgbench</application> expressions support for
+        Add <application>pgbench</application> expression support for
         NULLs, booleans, and some functions and operators (Fabien Coelho)
        </para>
       </listitem>
@@ -2358,7 +2361,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
 
        <para>
         Allow <application>pgbench</application> to do exponentiation
-        with <function>pow()</function> and  <function>power()</function>
+        with <function>pow()</function> and <function>power()</function>
         (Ra&uacute;l Mar&iacute;n Rodr&iacute;guez)
        </para>
       </listitem>
@@ -2791,7 +2794,7 @@ DOES THIS NEED TO BE IN "COMPATIBILITY NOTES"?
        <para>
         Make the computation of
         <structname>pg_class</structname>.<structfield>reltuples</structfield>
-        by VACUUM consistent with computation by ANALYZE (Tomas Vondra)
+        by VACUUM consistent with the computation by ANALYZE (Tomas Vondra)
        </para>
       </listitem>