element name is accepted. An additional
<literal>identifier</literal> attribute can be added to explicitly
describe the Z39.50 identifier string.
</para>
<para>
The <literal><retrieval></literal> element and the content
element name is accepted. An additional
<literal>identifier</literal> attribute can be added to explicitly
describe the Z39.50 identifier string.
</para>
<para>
The <literal><retrieval></literal> element and the content