with automatic promotion of multiple arguments to a common data type
        (see <xref linkend="extend-types-polymorphic"/>).</entry>
       </row>

       <row>
        <entry><type>anycompatiblenonarray</type></entry>
        <entry>Indicates that a function accepts any non-array data type,
        with automatic promotion of multiple arguments to a common data type
        (see <xref linkend="extend-types-polymorphic"/>).</entry>
       </row>

       <row>
        <entry><type>anycompatiblerange</type></entry>
        <entry>Indicates that a function accepts any range data type,
        with automatic promotion of multiple arguments to a common data type
        (see <xref linkend="extend-types-polymorphic"/> and
        <xref linkend="rangetypes"/>).</entry>
       </row>

       <row>
        <entry><type>anycompatiblemultirange</type></entry>
        <entry>Indicates that a function accepts any multirange data type,
        with automatic promotion of multiple arguments to a common data type
        (see <xref linkend="extend-types-polymorphic"/> and
        <xref linkend="rangetypes"/>).</entry>
       </row>

       <row>
        <entry><type>cstring</type></entry>
        <entry>Indicates that a function accepts or returns a null-terminated C string.</entry>
       </row>

       <row>
        <entry><type>internal</type></entry>
        <entry>Indicates that a function accepts or returns a server-internal
        data type.</entry>
       </row>

       <row>
        <entry><type>language_handler</type></entry>
        <entry>A procedural language call handler is declared to return <type>language_handler</type>.</entry>
       </row>

       <row>
        <entry><type>fdw_handler</type></entry>
        <entry>A foreign-data wrapper handler is declared to return <type>fdw_handler</type>.</entry>
       </row>

       <row>
        <entry><type>table_am_handler</type></entry>
        <entry>A table access method handler is declared to return <type>table_am_handler</type>.</entry>
       </row>

       <row>
        <entry><type>index_am_handler</type></entry>
        <entry>An index access method handler is declared to return <type>index_am_handler</type>.</entry>
       </row>

       <row>
        <entry><type>tsm_handler</type></entry>
        <entry>A tablesample method handler is declared to return <type>tsm_handler</type>.</entry>
       </row>

       <row>
        <entry><type>record</type></entry>
        <entry>Identifies