Re: pending-undo-list - should it not be buffer local?

[Lennart Borgman (gmail)]

Andreas Schwab wrote:
> "Lennart Borgman (gmail)" <address@hidden> writes:
>
> > Can you see any way it can be erased by kill-all-local-variables before it
> > should?
>
> There is no way to interactively cause kill-all-local-variables to be
> executed between two calls to undo without breaking the undo chain,
> thereby causing pending-undo-list to be reset by the next undo (via
> undo-start).


Are you sure this true even if kill-all-local-variables are called from 
post-command-hook or from a timer? If so can you please explain to me why?