-cat prox/=/3/word/ordered hat
-cat prox//3 hat
-"fish food" prox///sentence and
-title all "chips frog" prox/>=/5 exact
-(dc.author exact "jones" prox/</5/element title >= "smith")
+cat prox/distance=3/unit=word/ordered hat
+cat prox/distance<3 hat
+"fish food" prox/unit=sentence and
+title all "chips frog" prox/distance<=5 exact
+(dc.author exact "jones" prox/distance>5/unit=element title >= "smith")