About section 8.5.1.5. ("Special Values"):

I suggest adding LOCALTIMESTAMP and LOCALTIME to the first paragraph.
Maybe it should be phrased as:

  The following SQL-compatible functions can be used to obtain
  current datetime-related values: CURRENT_DATE, CURRENT_TIME,
  CURRENT_TIMESTAMP, LOCALTIME and LOCALTIMESTAMP.
  (See Section 9.8.4.)

Troels Arvin

doc/src/sgml/datatype.sgml

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+$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.125 2003/10/09 19:13:48 momjian Exp $
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  <chapter id="datatype">
@@ -1759,11 +1759,12 @@ January 8 04:05:06 1999 PST
 
      <para>
       The following <acronym>SQL</acronym>-compatible functions can be
-      used as date or time
-      values for the corresponding data type: <literal>CURRENT_DATE</literal>,
-      <literal>CURRENT_TIME</literal>,
-      <literal>CURRENT_TIMESTAMP</literal>. The latter two accept an
-      optional precision specification.  (See also <xref linkend="functions-datetime-current">.)
+      used as date or time values for the corresponding data type: 
+      <literal>CURRENT_DATE</literal>, <literal>CURRENT_TIME</literal>, 
+      <literal>CURRENT_TIMESTAMP</literal>, <literal>LOCALTIME</literal>, 
+      <literal>LOCALTIMESTAMP</literal>.  The latter four accept an 
+      optional precision specification.  (See also <xref 
+      linkend="functions-datetime-current">.)
      </para>
 
      <para>