against any server which supports the
<ulink url="&url.z39.50;">Z39.50</ulink>,
<ulink url="&url.sru;">SRU/SRW</ulink>
- or <ulink url="&url.solr;">Solr</ulink> protocol. Proprietary
+ or <ulink url="&url.solr;">Apache Solr</ulink> protocol. Proprietary
backend modules can function as connectors between these standard
protocols and any non-standard API, including web-site scraping, to
support a large number of other protocols.