Flag detached points that are very close together (close #6394)

Fix lint error

data/core.yaml

@@ -1338,9 +1338,12 @@ en:
         reference: Intersecting highways should share a junction vertex.
     close_nodes:
       title: "Very Close Points"
+      tip: "Find redundant and crowded points"
       message: "Two points in {way} are very close together"
-      tip: "Find redundant points in ways"
       reference: "Redundant points in a way should be merged or moved apart."
+      detached:
+        message: "{feature} is too close to {feature2}"
+        reference: "Separate points should not share a location."
     crossing_ways:
       title: Crossings Ways
       message: "{feature} crosses {feature2}"