# File gtk/sample/gtk-demo/appwindow.rb, line 207
    def update_statusbar(buffer, statusbar)
      statusbar.pop(0)

      iter = buffer.get_iter_at_mark(buffer.get_mark('insert'))

      statusbar.push(0,
                     "Cursor at row #{iter.line} column #{iter.line_offset} - #{buffer.char_count} chars in document")
    end