Bug 27114 something leaks StyleRanges and Lines
180K of StyleReanges and 47K of Lines after: -open editor -close editor seems like StyleRange objects are never freed
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
if (shell != null & !shell.isDisposed()) {
				fPosted= true;
				shell.getDisplay().asyncExec(this);
			}
		}
	};
	
	
	class SelectionChangedListener  implements ISelectionChangedListener {
		public void selectionChanged(SelectionChangedEvent event) {
			doSelectionChanged(event);
		}
	};
	
	/**
	 * Link mode.  
	 */
	class MouseClickListener implements KeyListener, MouseListener, MouseMoveListener,
		FocusListener, PaintListener, IPropertyChangeListener, IDocumentListener, ITextInputListener {		
		
		private boolean fActive;
		
		private IRegion fActiveRegion;
		
		
		private Cursor fCursor;
		
		
		private Cursor fDefaultCursor;