code: function getTag(entry, tagName) {
    var parsed = entry.parsed;
    return _.find(parsed.tags, ['title', tagName]) || null;
  }
docs: Gets an `entry` tag by `tagName`.
  
  @private
  @param {Object} entry The entry to inspect.
  @param {string} tagName The name of the tag.
  @returns {null|Object} Returns the tag.