On 10.09.2017 04:44, Richard Stallman wrote:
> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
>
>    > > That kind of hook is pandora's box.  It is too powerful, and would
>    > > interact in complex ways.  There will be many cases that are hard to
>    > > implement correctly, or cause trouble.  To implement this probably
>    > > means future hassles for ourselves and for package developers.
>
>    > I actually implemented it, and it worked as intended.
>
> I think you mean it works as intended in your use case.  I am talking
> about something else.
>
> My experience says that this kind of feature is likely to fail in
> various peculiar cases, which would make it a maintenance burder.
> Also, it is likely to show show strange confusing behavior which would
> lead to trouble in debugging.  We are better off without it.
>
> The other approach has the virtue of being entirely internal.  It will
> not require an announcement, or adding to the Lisp manual.
>


+1, likewise a related earlier message.