--- a/flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java	Tue Jul 17 18:31:34 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java	Tue Jul 17 18:40:25 2012 +0000
@@ -502,7 +502,7 @@
      * The renderer can do nothing if it chooses.
      *
      * @param g2  the graphics device.
-     * @param dataArea  the area inside the axes.
+     * @param dataArea  the (visible) area inside the axes.
      * @param plot  the plot.
      * @param data  the data.
      * @param info  an optional info collection object to return data back to
@@ -532,6 +532,10 @@
         return 2;
     }
 
+
+    /**
+     * Adds x/y data to series.
+     */
     private static final void addSeries(
         DefaultXYDataset ds,
         Comparable       key,
@@ -830,6 +834,7 @@
         }
     }
 
+
     /**
      * Draws the visual representation of a single data item.
      *