code: function(block) {
    if (block.hasOwnProperty('htmlslabs')) {
      return outputSlabsAsText(block.htmlslabs);
    } else {
      if (block.format === 'section') {
        return block.blocks.reduce(function(previousValue, currentValue, currentIndex, array) {
          return previousValue + extractTextBlockText(currentValue);
        }, '');
      } else {
        return '';
      }
    }
  }
docs: Output a text block as plain-text
  
  @param {Object} block The text block to be output
  @return {String} the textual content, sans enhancement and HTML