objectFormat in searchRequest and getObjectRequest is now <xs:element ref="os:objectFormat" minOccurs="0" maxOccurs="unbounded"/>

git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/OpenSearch/trunk@78092 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0