/** Base class for text viewers and editors. */
public abstract class AbstractDbkViewer extends AbstractPageViewer implements KeyListener, Observer {
private static final long serialVersionUID = -2401274679492339668L;
/** Base class for text viewers and editors. */
public abstract class AbstractDbkViewer extends AbstractPageViewer implements KeyListener, Observer {
private static final long serialVersionUID = -2401274679492339668L;