howto redirect and extend help content ?

[Stargaming]

Stef Mientki schrieb:
> I'm making special versions of existing functions,
> and now I want the help-text of the newly created function to exists of
> 1. an extra line from my new function
> 2. all the help text from the old function
> 
> # the old function
> def triang(M,sym=1):
>     """The M-point triangular window.    <== old help text
>     """
>     ....
> 
> # the new function
> def chunked_triang(M):
>     """ Chunked version of "triang"      <== the extra line
>     """
> 
>  >>> help(chunked_triang)
> # should give something like
> 
> chunked_triang(M)                        <== the new definition
>     Chunked version of "triang"          <== the extra line
>     The M-point triangular window.       <== old help text
> 
> Is that possible ?
> 
> 
> thanks,
> Stef Mientki

Don't you think your users can follow this easy reference theirselves?