/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2010 Index Data
+ * Copyright (C) 1995-2011 Index Data
* See the file LICENSE for details.
*/
/*
%%
cql_query : query | query sort_spec;
-query : prefix_assignment search_clause_group | search_clause_group ;
+query : prefix_assignment query | search_clause_group ;
search_clause_group: search_clause_group boolean_modified subquery | subquery;