Re: To be a list or not

[Lennart Borgman (gmail)]

Nick Roberts wrote:
>  > Eh, yes but (sequencep '(prop . val)) also returns t at least in my
>  > version of Emacs. But maybe this has been changed?
>
> I don't know what point you are making but all lists are sequences, so
> if listp returns t so must sequencep.

You cited the following from the manual:

>  -- Function: length sequence
>      This function returns the number of elements in SEQUENCE.  If
>      SEQUENCE is a dotted list, a `wrong-type-argument' error is
>      signaled.

However (sequencp '(prop . val)) returns t.

What I wanted to know was the recommended way to check if something is a 
cons cell, but not a sequence, ie something like '(prop . val).

Thanks for the pointer to the manual.