import org.eclipse.jface.text.source.projection.ProjectionSupport;
import org.eclipse.jface.text.source.projection.ProjectionViewer;
import org.eclipse.jface.util.IPropertyChangeListener;
-import org.eclipse.jface.util.ListenerList;
+//incastrix
+//import org.eclipse.jface.util.ListenerList;
+import org.eclipse.core.runtime.ListenerList;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;