docs: function(opts) {
          var tag = opts.tag,
              targetID = opts.target.id
  
          var element = this.targets[targetID]
          if (!element) {
              return null
          }
          for (var i = 0; i < element.actions.length; i++ ) {
              if (element.actions[i] &&
                  (element.actions[i].tag === tag)) {
                  return element.actions[i]
              }
          }
          // Not found
          return null
      }