code: func (c *Context) HTML(code int, name string, obj interface{}) {
  	instance := c.engine.HTMLRender.Instance(name, obj)
  	c.Render(code, instance)
  }
docs: // HTML renders the HTTP template specified by its file name.
  // It also updates the HTTP code and sets the Content-Type as "text/html".
  // See http://golang.org/doc/articles/wiki/