[MERGE] external_references repository patch.

[Andrew Bennetts]

Robert Collins wrote:
> On Tue, 2008-02-19 at 20:04 +1100, Andrew Bennetts wrote:
[...]
> > 
> > You should use self._response_is_unknown_method for this.
> 
> Does that exist now? I added *a* version of it on a different Remote
> object.

Oh, right, it's only on RemoteRepository.  Hmm, how about we make
_response_is_unknown_method a module-level function?  Then you could use it
here.

> > This is a pre-existing flaw, but this really should be raising
[...]
> 
> Agreed. Wishlist?

Ok.

-Andrew.