<!ELEMENT site-local-config (site)+>
<!ELEMENT site (event-data?|calib-data?)>
<!ELEMENT event-data (catalog*)>
<!ELEMENT calib-data (catalog*|frontier-proxy*)>
<!ELEMENT catalog EMPTY>
<!ATTLIST catalog url CDATA "">
<!ELEMENT frontier-proxy EMPTY>
<!ATTLIST frontier-proxy url CDATA "">