Upon further investigation in 1.0.88.0 it seems to be impossible to exclude those rivers. This is before the exclude:
And here is the result after drawing two exclude polygons around the airport. One for type=river, one for type=water.
Upon further investigation in 1.0.88.0 it seems to be impossible to exclude those rivers. This is before the exclude:
And here is the result after drawing two exclude polygons around the airport. One for type=river, one for type=water.