multiple 'type' possible


git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenBibdk/trunk@66996 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
elements in solr_format can be repeated


git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenBibdk/trunk@66999 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0