doc: Whitespace fixes in man pages

doc/src/sgml/ref/alter_aggregate.sgml

@@ -179,8 +179,7 @@ ALTER AGGREGATE mypercentile(float8 ORDER BY integer) SET SCHEMA myschema;
    This will work too:
 <programlisting>
 ALTER AGGREGATE mypercentile(float8, integer) SET SCHEMA myschema;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/alter_publication.sgml

@@ -140,8 +140,7 @@ ALTER PUBLICATION noinsert SET (publish = 'update, delete');
    Add some tables to the publication:
 <programlisting>
 ALTER PUBLICATION mypublication ADD TABLE users, departments;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/alter_subscription.sgml

@@ -204,8 +204,7 @@ ALTER SUBSCRIPTION mysub SET PUBLICATION insert_only;
    Disable (stop) the subscription:
 <programlisting>
 ALTER SUBSCRIPTION mysub DISABLE;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/alter_system.sgml

@@ -119,8 +119,7 @@ ALTER SYSTEM SET wal_level = replica;
    in <filename>postgresql.conf</>:
 <programlisting>
 ALTER SYSTEM RESET wal_level;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/alter_type.sgml

@@ -356,8 +356,7 @@ ALTER TYPE colors ADD VALUE 'orange' AFTER 'red';
    To rename an enum value:
 <programlisting>
 ALTER TYPE colors RENAME VALUE 'purple' TO 'mauve';
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/create_access_method.sgml

@@ -93,8 +93,7 @@ CREATE ACCESS METHOD <replaceable class="parameter">name</replaceable>
    handler function <literal>heptree_handler</>:
 <programlisting>
 CREATE ACCESS METHOD heptree TYPE INDEX HANDLER heptree_handler;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/create_publication.sgml

@@ -191,8 +191,7 @@ CREATE PUBLICATION alltables FOR ALL TABLES;
 <programlisting>
 CREATE PUBLICATION insert_only FOR TABLE mydata
     WITH (publish = 'insert');
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/create_subscription.sgml

@@ -265,8 +265,7 @@ CREATE SUBSCRIPTION mysub
          CONNECTION 'host=192.168.1.50 port=5432 user=foo dbname=foodb'
         PUBLICATION insert_only
                WITH (enabled = false);
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/drop_aggregate.sgml

@@ -160,8 +160,7 @@ DROP AGGREGATE myrank(VARIADIC "any" ORDER BY VARIADIC "any");
    To remove multiple aggregate functions in one command:
 <programlisting>
 DROP AGGREGATE myavg(integer), myavg(bigint);
-</programlisting>
-  </para>
+</programlisting></para>
 </refsect1>
 
  <refsect1>

doc/src/sgml/ref/drop_policy.sgml

@@ -96,8 +96,7 @@ DROP POLICY [ IF EXISTS ] <replaceable class="parameter">name</replaceable> ON <
 
 <programlisting>
 DROP POLICY p1 ON my_table;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/drop_publication.sgml

@@ -82,9 +82,7 @@ DROP PUBLICATION [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable>
    Drop a publication:
 <programlisting>
 DROP PUBLICATION mypublication;
-</programlisting>
-  </para>
-
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/drop_statistics.sgml

@@ -73,9 +73,7 @@ DROP STATISTICS [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable>
 DROP STATISTICS IF EXISTS
     accounting.users_uid_creation,
     public.grants_user_role;
-</programlisting>
-  </para>
-
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/drop_subscription.sgml

@@ -102,9 +102,7 @@ DROP SUBSCRIPTION [ IF EXISTS ] <replaceable class="parameter">name</replaceable
    Drop a subscription:
 <programlisting>
 DROP SUBSCRIPTION mysub;
-</programlisting>
-  </para>
-
+</programlisting></para>
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/import_foreign_schema.sgml

@@ -141,9 +141,7 @@ IMPORT FOREIGN SCHEMA foreign_films
 <programlisting>
 IMPORT FOREIGN SCHEMA foreign_films LIMIT TO (actors, directors)
     FROM SERVER film_server INTO films;
-</programlisting>
-   </para>
-
+</programlisting></para>
  </refsect1>
 
  <refsect1 id="SQL-IMPORTFOREIGNSCHEMA-compatibility">

doc/src/sgml/ref/insert.sgml

@@ -725,8 +725,7 @@ INSERT INTO distributors (did, dname) VALUES (9, 'Antwerp Design')
 -- just use a regular unique constraint on "did"
 INSERT INTO distributors (did, dname) VALUES (10, 'Conrad International')
     ON CONFLICT (did) WHERE is_active DO NOTHING;
-</programlisting>
-  </para>
+</programlisting></para>
  </refsect1>
 
  <refsect1>