code: function generatePlaceholder($, enhancementName, data) {
    data.name = enhancementName;
    var attrs = JSON.stringify(data);
    var placeholder = $('<!-- TEXTBLOCK --><code>' + encodeURI(attrs) +
          '</code><!-- TEXTBLOCK -->');
    return placeholder;
  }
docs: Silly formatter: Generate a textual placeholder for text enhancement
  @param {Object} $ Cheerio instance
  @param {String} enhancementName The name to find the enhancement with later
  @param {ObjecT} data The data to be serialized
  @return {String} Text that has been encoded