YAZ_CHECK(compare(ct, "@attr 2=1 @attr 1=30 1980", "dc.date<1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=3 1980", "dc.date=1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=5 1980", "dc.date>1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=2 1980", "dc.date<=1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=4 1980", "dc.date>=1980"));
YAZ_CHECK(compare(ct, "@attr 2=1 @attr 1=30 1980", "dc.date<1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=3 1980", "dc.date=1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=5 1980", "dc.date>1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=2 1980", "dc.date<=1980"));
YAZ_CHECK(compare(ct, "@attr 1=30 @attr 2=4 1980", "dc.date>=1980"));