LON,LAT,NUMBER,STREET,FOOBAR,DEADBEEF
,-40,a,b,,
-40,,a,b,,
,,,,,
,,30,b,,
40,40,a,,,
,,,30,,,
,..........,,,,,,,,,,,
40,40,5, ,,

LON,LAT,NUMBER,STREET,FOOBAR,DEADBEEF
,-40,a,b,,
-40,,a,b,,
,,,,,
,,30,b,,
40,40,a,,,
,,,30,,,
,..........,,,,,,,,,,,
40,40,5, ,,
40,40,5," ",,

Test quoted, all whitespace field
Test quoted, all whitespace field
