Re: Predicate for true lists

[Eli Zaretskii]

> Cc: address@hidden, address@hidden
> From: Paul Eggert <address@hidden>
> Date: Sat, 7 Jul 2018 01:41:38 -0700
> 
> Eli Zaretskii wrote:
> > the documentation still doesn't say that 'length' signals
> > an error for anything that is not a sequence, which is what
> > proper-list-p is relying on.
> 
> The proposed implementation of proper-list-p does not rely on such a signal, 

That's not my reading of the implementation:

   (and (listp object) (ignore-errors (length object)))
                        ^^^^^^^^^^^^^