Text search doc updates --- first cut at

syncing the existing docs with the final syntax decisions.

doc/src/sgml/config.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.140 2007/08/21 15:13:16 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.141 2007/08/22 04:45:20 tgl Exp $ -->
 
 <chapter Id="runtime-config">
   <title>Server Configuration</title>
@@ -4106,6 +4106,26 @@ SET XML OPTION { DOCUMENT | CONTENT };
       </listitem>
      </varlistentry>
 
+     <varlistentry id="guc-default-text-search-config" xreflabel="default_text_search_config">
+      <term><varname>default_text_search_config</varname> (<type>string</type>)</term>
+      <indexterm>
+       <primary><varname>default_text_search_config</> configuration parameter</primary>
+      </indexterm>
+      <listitem>
+       <para>
+        Selects the text search configuration that is used by those variants
+        of the text search functions that do not have an explicit argument
+        specifying the configuration.
+        See <xref linkend="textsearch"> for further information.
+        The built-in default is <literal>pg_catalog.simple</>, but
+        <application>initdb</application> will initialize the
+        configuration file with a setting that corresponds to the
+        chosen <varname>lc_ctype</varname> locale, if a configuration
+        matching that locale can be identified.
+       </para>
+      </listitem>
+     </varlistentry>
+
      </variablelist>
 
     </sect2>

doc/src/sgml/ref/psql-ref.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.193 2007/07/10 00:21:31 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.194 2007/08/22 04:45:20 tgl Exp $
 PostgreSQL documentation
 -->
 
@@ -997,6 +997,66 @@ testdb=&gt;
       </varlistentry>
 
 
+      <varlistentry>
+        <term><literal>\dF [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <term><literal>\dF+ [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <listitem>
+        <para>
+         Lists available text search configurations.
+         If <replaceable class="parameter">pattern</replaceable> is specified,
+         only configurations whose names match the pattern are shown.
+         If the form <literal>\dF+</literal> is used, a full description of
+         each configuration is shown, including the underlying text search
+         parser and the dictionary list for each parser token type.
+        </para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><literal>\dFd [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <term><literal>\dFd+ [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <listitem>
+        <para>
+         Lists available text search dictionaries.
+         If <replaceable class="parameter">pattern</replaceable> is specified,
+         only dictionaries whose names match the pattern are shown.
+         If the form <literal>\dFd+</literal> is used, additional information
+         is shown about each selected dictionary, including the underlying
+         text search template and the option values.
+        </para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><literal>\dFp [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <term><literal>\dFp+ [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <listitem>
+        <para>
+         Lists available text search parsers.
+         If <replaceable class="parameter">pattern</replaceable> is specified,
+         only parsers whose names match the pattern are shown.
+         If the form <literal>\dFp+</literal> is used, a full description of
+         each parser is shown, including the underlying functions and the
+         list of recognized token types.
+        </para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><literal>\dFt [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <term><literal>\dFt+ [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
+        <listitem>
+        <para>
+         Lists available text search templates.
+         If <replaceable class="parameter">pattern</replaceable> is specified,
+         only templates whose names match the pattern are shown.
+         If the form <literal>\dFt+</literal> is used, additional information
+         is shown about each template, including the underlying function names.
+        </para>
+        </listitem>
+      </varlistentry>
+
+
       <varlistentry>
         <term><literal>\dg [ <replaceable class="parameter">pattern</replaceable> ]</literal></term>
         <listitem>