minor - comments.

client/src/org/compiere/grid/GridController.java

@@ -1167,9 +1167,10 @@ public class GridController extends CPanel
 		//  Save Confirmation dialog    MTable-RowSave
 		if (e.getPropertyName().equals(GridTable.PROPERTY))
 		{
-			//  throw new PropertyVetoException calls this method (??) again
+			//  throw new PropertyVetoException will call this listener again to revert to old value
 			if (m_vetoActive)
 			{
+				//ignore
 				m_vetoActive = false;
 				return;
 			}