if (alloc == null) { fv.layoutChanged(X_AXIS); fv.layoutChanged(Y_AXIS); } else { Component host = fv.getContainer(); if (host != null) host.repaint(alloc.x, alloc.y, alloc.width, alloc.height); }
    public void insertUpdate(FlowView fv, DocumentEvent e, Rectangle alloc)    {      // The default implementation does nothing.    }