Re: [PATCH 2/2] Add keyword unexpansion support to convert.c

> The point of my comment was that with Andy's definition of when
> the "external tools" should trigger, that CPU serial number
> embedder would _NOT_ trigger for a path when you switch branches
> that have the same contents at that path.  External tools can do
> stupid things and that is what you are calling the rope.  But
> the case I am talking about is that we deliberately do _not_
> call external tools, so even if external tools can do sensible
> things if given a chance to, they are not given a chance to do
> so, and deciding not to call them in some cases is made by us.