Section used to declare RPN use attribute strings (indexes) and map
them to BIBFRAME graph patterns.
Items in this section are expanded during RPN query processing and
- placeholders (%s, %d) are substituted with query terms.
+ placeholders (<literal>%s</literal>, <literal>%d</literal>,
+ <literal>%t</literal>) are substituted with query terms.
To map a given CQL index (e.g the default keyword index) into
multiple entity properties, SPARQL constructs like
`OPTIONAL` or `UNION` could be used.
</para>
</listitem>
</varlistentry>
+ <varlistentry><term><present type="attribute"/></term>
+ <listitem>
+ <para>
+ Section used to declare retrieval for a given element-set
+ (SRU schema). The CDATA is SPARQL where <literal>%u</literal> holds
+ the URI of the record. This can be used to construct the resulting
+ record.
+ </para>
+ </listitem>
+ </varlistentry>
<varlistentry><term><modifier/></term>
<listitem>
<para>