Index: trunk/src/org/openstreetmap/josm/data/validation/tests/LongSegment.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/LongSegment.java	(revision 16191)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/LongSegment.java	(revision 16192)
@@ -47,4 +47,7 @@
     @Override
     public void visit(Node n) {
+        if (!partialSelection)
+            return;
+
         // Test all way segments around this node.
         // If there is an error in the unchanged part of the way, we do not need to warn the user about it.