- The representation (syntax) of the retrieval records. Currently
- recognized values are iso2709 and xml.
+ Specifies how Pazpar2 shoule map retrieved records to XML. Currently
+ supported values are <literal>xml</literal>,
+ <literal>iso2709</literal> and <literal>txml</literal>.
+ </para>
+ <para>
+ The value <literal>iso2709</literal> makes Pazpar2 convert retrieved
+ MARC records to MARCXML. In order to convert to XML, the exact
+ chacater set of the MARC must be known (if not, the resulting
+ XML is probably not well-formed). The character set may be
+ specified by adding:
+ <literal>;charset=</literal><replaceable>charset</replaceable> to
+ <literal>iso2709</literal>. If omitted, a charset of
+ MARC-8 is assumed. This is correct for most MARC21/USMARC records.