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-$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.72 2002/08/16 20:34:06 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.73 2002/08/23 01:27:44 tgl Exp $
PostgreSQL documentation
-->
<literal>\df+</literal> is used, additional information about
each function, including language and description, is shown.
</para>
+
+ <note>
+ <para>
+ To reduce clutter, <literal>\df</> does not show datatype I/O
+ functions. This is implemented by ignoring functions that accept
+ or return type <type>cstring</>.
+ </para>
+ </note>
+
</listitem>
</varlistentry>