Index: applications/editors/josm/plugins/lakewalker/src/org/openstreetmap/josm/plugins/lakewalker/DoubleConfigurer.java
===================================================================
--- applications/editors/josm/plugins/lakewalker/src/org/openstreetmap/josm/plugins/lakewalker/DoubleConfigurer.java	(revision 9273)
+++ applications/editors/josm/plugins/lakewalker/src/org/openstreetmap/josm/plugins/lakewalker/DoubleConfigurer.java	(revision 9876)
@@ -19,6 +19,4 @@
 package org.openstreetmap.josm.plugins.lakewalker;
 
-import java.text.DecimalFormat;
-
 /**
  * A Configurer for Double values
@@ -26,6 +24,4 @@
 public class DoubleConfigurer extends StringConfigurer {
 
-  final static DecimalFormat df = new DecimalFormat("#0.0##########");
-  
   public DoubleConfigurer() {
     super();
@@ -37,5 +33,5 @@
 
   public DoubleConfigurer(String key, String name, Double val) {
-    super(key, name, val == null ? null : df.format(val));
+    super(key, name, val == null ? null : val.toString());
   }
 
@@ -50,7 +46,7 @@
     if (d != null) {
       setValue(d);
-    }
-    if (!noUpdate && nameField != null) {
-      nameField.setText(df.format(d));
+      if (!noUpdate && nameField != null) {
+        nameField.setText(d.toString());
+      }
     }
   }
@@ -58,7 +54,7 @@
   public String getValueString() {
     if (value == null || value.equals("")) {
-      return (String) value;
+      return null;
     }
-    return df.format(value);
+    return value.toString();
   }
 }