        <para>
            The argment type <type>gentype</type> can be <type>char</type>,
            <type>char<replaceable>n</replaceable></type>,<type>uchar</type>, <type>uchar<replaceable>n</replaceable></type>,
            <type>short</type>, <type>short<replaceable>n</replaceable></type>, <type>ushort</type>,
            <type>ushort<replaceable>n</replaceable></type>, <type>int</type>, <type>int<replaceable>n</replaceable></type>,
            <type>uint</type>, <type>uint<replaceable>n</replaceable></type>, <type>long</type>,
            <type>long<replaceable>n</replaceable></type>, <type>ulong</type>, <type>ulong<replaceable>n</replaceable></type>,
            <type>float</type>, and <type>float<replaceable>n</replaceable></type>. 
        </para>