anchor.diff:    }
   
   
  -.FloatingTooltip-inner(class={'FloatingTooltip-inner-hidden': !state.visible}, style=style ref='FloatingTooltip-inner')
  +.FloatingTooltip-inner(class={'FloatingTooltip-inner-hidden': !state.visible}, style=style ref='inner')
     yield inner
   yield content(actions, this)
  -
  -export.
  -  function wrap(cb) {
  -    return function(fn) {
  -      return typeof fn !== 'function' ? cb.call(null, noop, fn) : cb.bind(null, fn);
  -    }
  -  }
   
   export.
     function handleMouseEnter(cb, ev) {
  
positive.code: 
  export.
    function handleMouseMove(cb, ev) {
      var innerNode = this.refs['FloatingTooltip-inner'].getDOMNode();
      var innerNodeWidth = innerNode.offsetWidth;
      var top = ev.clientY;
      var left = ev.clientX - (innerNodeWidth / 2);
  
negative.code:     cb(ev);
    }
  
  //-
  //- return a function that takes an optional `cb`
  //-
  
  export.
    function wrap(cb) {
      return function(fn) {
        return typeof fn !== 'function' ? cb.call(null, noop, fn) : cb.bind(null, fn);
      }
    }
  
  export var displayName = 'FloatingTooltip'