code: func (t *templateHandler) RebuildClone() {
  	if t.html != nil && t.html.cloneClone != nil {
  		t.html.clone = template.Must(t.html.cloneClone.Clone())
  	}
  	if t.text != nil && t.text.cloneClone != nil {
  		t.text.clone = texttemplate.Must(t.text.cloneClone.Clone())
  	}
  }
docs: // RebuildClone rebuilds the cloned templates. Used for live-reloads.