_StackElement renders an IRenderable which can render a list of frames.
| Method | __init__ | Undocumented | 
| Instance Variable | stackFrames | Undocumented | 
| Method | frames | Render the list of frames in this _StackElement, replacing tag. | 
  
Inherited from Element:
| Instance Variable | loader | The factory which will be used to load documents to return from render. | 
  
| Method | lookupRenderMethod | Look up and return the named render method. | 
| Method | render | Implement IRenderable to allow one Element to be embedded in another's template or rendering output. | 
  
Undocumented
Render the list of frames in this _StackElement, replacing tag.