text: fixtures.register('04.preremove', function () {
      DIV(
          HIGHLIGHT({ color: 'red', marked: 'h1' },
              'Lorem ipsum dolor sit amet consectetur adipiscing ',
              HIGHLIGHT({ color: 'green', marked: 'h2' }, 'elit.')
          )
      );
  });
  
  fixtures.register('04.postremove.all', function () {
      DIV('Lorem ipsum dolor sit amet consectetur adipiscing elit.');
  });
  
  fixtures.register('04.postremove.h2', function () {
      DIV(
          HIGHLIGHT({ color: 'red' }, 'Lorem ipsum dolor sit amet consectetur adipiscing elit.')
      );
  });