YAZ_CHECK(tst_ccl_query(bibset, "date=1980",
"@attr 2=3 1980 "));
+ YAZ_CHECK(tst_ccl_query(bibset, "(date=1980)",
+ "@attr 2=3 1980 "));
YAZ_CHECK(tst_ccl_query(bibset, "date=234-1990",
"@and @attr 2=4 234 @attr 2=2 1990 "));
YAZ_CHECK(tst_ccl_query(bibset, "date=234- 1990",