Index: applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementDialog.java
===================================================================
--- applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementDialog.java	(revision 30352)
+++ applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementDialog.java	(revision 30353)
@@ -88,14 +88,14 @@
 
         resetButton = new SideButton(new AbstractAction() {
-        	{
-        		putValue(NAME, tr("Reset"));
-        		putValue(SMALL_ICON,ImageProvider.get("dialogs", "select"));
-        		putValue(SHORT_DESCRIPTION, tr("Reset current measurement results and delete measurement path."));
-        		putValue("help", HelpUtil.ht("/Dialog/Measurement#Reset"));
-        	}
+            {
+                putValue(NAME, tr("Reset"));
+                putValue(SMALL_ICON,ImageProvider.get("dialogs", "select"));
+                putValue(SHORT_DESCRIPTION, tr("Reset current measurement results and delete measurement path."));
+                putValue("help", HelpUtil.ht("/Dialog/Measurement#Reset"));
+            }
             @Override
             public void actionPerformed(ActionEvent e)
             {
-            	resetValues();
+                resetValues();
             }
         });
@@ -222,28 +222,28 @@
             ds = currentDs;
         }
-	}
-
-	@Override
-	public void destroy() {
-		super.destroy();
-		NavigatableComponent.removeSoMChangeListener(this);
-		DataSet.removeSelectionListener(this);
-		if (ds != null) {
-		    ds.removeDataSetListener(this);
-		    ds = null;
-		}
-	}
-
-	private boolean waysContain(Node n) {
-	    if (ways != null) {
-	        for (Way w : ways) {
-	            if (w.containsNode(n)) {
-	                return true;
-	            }
-	        }
-	    }
-	    return false;
-	}
-	
+    }
+
+    @Override
+    public void destroy() {
+        super.destroy();
+        NavigatableComponent.removeSoMChangeListener(this);
+        DataSet.removeSelectionListener(this);
+        if (ds != null) {
+            ds.removeDataSetListener(this);
+            ds = null;
+        }
+    }
+
+    private boolean waysContain(Node n) {
+        if (ways != null) {
+            for (Way w : ways) {
+                if (w.containsNode(n)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+    
     @Override public void nodeMoved(NodeMovedEvent event) {
         Node n = event.getNode();
@@ -262,8 +262,8 @@
     @Override public void dataChanged(DataChangedEvent event) {}
 
-	@Override
-	public void systemOfMeasurementChanged(String oldSoM, String newSoM) {
-		// Refresh selection to take into account new system of measurement
-		selectionChanged(Main.main.getCurrentDataSet().getSelected());
-	}
+    @Override
+    public void systemOfMeasurementChanged(String oldSoM, String newSoM) {
+        // Refresh selection to take into account new system of measurement
+        selectionChanged(Main.main.getCurrentDataSet().getSelected());
+    }
 }
Index: applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementLayer.java
===================================================================
--- applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementLayer.java	(revision 30352)
+++ applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementLayer.java	(revision 30353)
@@ -144,11 +144,11 @@
     }
     
-	/*
+    /*
      * Use an equal area sinusoidal projection to improve accuracy and so we can still use normal polygon area calculation
-     * http://stackoverflow.com/questions/4681737/how-to-calculate-the-area-of-a-polygon-on-the-earths-surface-using-python
+     * https://stackoverflow.com/questions/4681737/how-to-calculate-the-area-of-a-polygon-on-the-earths-surface-using-python
      */
     public static double calcX(LatLon p1){
         return p1.lat() * Math.PI * 6367000 / 180;
-	}
+    }
 
     public static double calcY(LatLon p1){
Index: applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementPlugin.java
===================================================================
--- applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementPlugin.java	(revision 30352)
+++ applications/editors/josm/plugins/measurement/src/org/openstreetmap/josm/plugins/measurement/MeasurementPlugin.java	(revision 30353)
@@ -32,7 +32,7 @@
             newFrame.addMapMode(btn);
         } else {
-        	btn = null;
-        	mode = null;
-        	measurementDialog = null;
+            btn = null;
+            mode = null;
+            measurementDialog = null;
         }
     }