fixed javadoc errors

src/main/java/plugins/adufour/vars/gui/model/RangeModel.java

@@ -93,6 +93,7 @@ public abstract class RangeModel<N extends Number> implements VarEditorModel<N>
 
     /**
      * @param index
+     *        zero-based index.
      * @return the value corresponding to the specified zero-based index, i.e.,
      *         <code>min + index * step</code>
      */

src/main/java/plugins/adufour/vars/gui/model/VarEditorModel.java

@@ -5,8 +5,8 @@ import plugins.adufour.vars.lang.Var;
 /**
  * Model usable by graphical user interfaces to build custom components for {@link Var} objects.
  * This can be used for instance to restrict the bounds of valid values.
- * <p>
- * <p>
+ * <br>
+ * <br>
  * For more information and model templates, see the other classes of this package.
  * 
  * @author Alexandre Dufour

src/main/java/plugins/adufour/vars/lang/VarNumber.java

@@ -10,9 +10,9 @@ import plugins.adufour.vars.util.VarListener;
 /**
  * Class bringing support for variables handling comparable types
  * 
- * @param N
- *        The numeric type handled by this instance.
  * @author Alexandre Dufour
+ * 
+ * @param <N> The numeric type handled by this instance.
  */
 public abstract class VarNumber<N extends Number> extends Var<N> implements Comparable<N>
 {

src/main/java/plugins/adufour/vars/lang/VarSequence.java

@@ -127,6 +127,7 @@ public class VarSequence extends Var<Sequence>
 
     /**
      * @deprecated Uses {@link #setActiveSequenceSelected(boolean)} instead
+     * @return true if the var has no sequence selected. false otherwise.
      */
     @Deprecated
     public boolean isNoSequenceSelected()