Add cross-references re schema search path

I had great difficulty in finding how to change the search path, so here
is a patch to add some cross-referencing.

--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight, UK
http://www.lfix.co.uk/oliver
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
                 ========================================
     "But I would not have you to be ignorant, brethren,
      concerning them which are asleep, that ye sorrow not,
      even as others which have no hope. For if we believe
      that Jesus died and rose again, even so them also
      which sleep in Jesus will God bring with him."
                                I Thessalonians 4:13,14
Index: doc/src/sgml/func.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql-server/doc/src/sgml/func.sgml,v
retrieving revision 1.112
diff -u -r1.112 func.sgml
--- doc/src/sgml/func.sgml    2002/08/16 23:01:18    1.112
+++ doc/src/sgml/func.sgml    2002/08/19 04:15:18
@@ -5139,6 +5139,11 @@
     path returned.
    </para>

+   <para>
+    The search path may be altered by a runtime-alterable GUC setting:
+    <xref linkend="set-search-path">.
+   </para>
+
    <table>
     <title>System Information Functions</title>
     <tgroup cols="3">
Index: doc/src/sgml/runtime.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql-server/doc/src/sgml/runtime.sgml,v
retrieving revision 1.126
diff -u -r1.126 runtime.sgml
--- doc/src/sgml/runtime.sgml    2002/08/18 03:03:25    1.126
+++ doc/src/sgml/runtime.sgml    2002/08/19 04:15:23
@@ -1548,7 +1548,7 @@
       </listitem>
      </varlistentry>

-     <varlistentry>
+     <varlistentry id="set-search-path" xreflabel="SET SEARCH_PATH">
       <term><varname>SEARCH_PATH</varname> (<type>string</type>)</term>
       <indexterm><primary>search_path</></>
       <indexterm><primary>namespaces</></>
@@ -1608,6 +1608,10 @@
        </para>

        <para>
+     <indexterm>
+      <primary>schemas</primary>
+      <secondary>current schema</secondary>
+     </indexterm>
         The current effective value of the search path can be examined
     via the SQL function <function>current_schemas()</>.  This is not
     quite the same as examining the value of
Index: doc/src/sgml/syntax.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql-server/doc/src/sgml/syntax.sgml,v
retrieving revision 1.66
diff -u -r1.66 syntax.sgml
--- doc/src/sgml/syntax.sgml    2002/08/13 20:40:43    1.66
+++ doc/src/sgml/syntax.sgml    2002/08/19 04:15:36
@@ -965,6 +965,11 @@
     place <literal>pg_catalog</> at the end of your search path if you
     prefer to have user-defined names override built-in names.
    </para>
+
+    <para>
+     The search path is determined by the GUC variable SEARCH_PATH and
+     may be changed at any time.  See <xref linkend="set-search-path">.
+    </para>
   </sect2>

   <sect2 id="sql-reserved-names">