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bug#24621: 24.5.1 (i686-pc-mingw32) of 2015-04-11 on LEG570; elisp manua


From: Howard McCay
Subject: bug#24621: 24.5.1 (i686-pc-mingw32) of 2015-04-11 on LEG570; elisp manual; third attempt; please forgive and disregard first and second.
Date: Sun, 9 Oct 2016 23:22:23 +0000 (UTC)

Dear Mr. Nguyen:

Thank you for your timely response to my request.

You are correct.  It was my mistake to have included the extra erroneous parenthesis.

Please revise my request to allow
(rose . violet . buttercup) to be interpreted as
(rose . (violet . buttercup)) which, as you have explained, is the same as
(rose violet . buttercup)

I understand this alternative to be a cons whose CAR is rose and whose CDR points to a cons whose CAR is violet and whose CDR is buttercup.  You have explained that this is equivalent to a two member list whose first member is rose and whose second member is a cons whose CAR is violet and whose CDR is buttercup.

My expanded request is that all functions expecting a list for an argument should treat these alternative lists just as they would treat a nil-terminated list.

From: Thien-Thi Nguyen <address@hidden>
To: Howard McCay <address@hidden>
Cc: address@hidden
Sent: Wednesday, October 5, 2016 4:08 AM
Subject: Re: bug#24621: 24.5.1 (i686-pc-mingw32) of 2015-04-11 on LEG570; elisp manual; third attempt; please forgive and disregard first and second.


() Howard McCay <address@hidden>
() Wed, 5 Oct 2016 07:15:05 +0000 (UTC)

  (rose . (violet . buttercup))
  =
  (rose (violet . buttercup))

For Lisp (and Scheme), this relation does not hold.  To see for
yourself, in the *scratch* buffer, add:

'(rose . (violet . buttercup))

and type ‘C-j’ (NB: single-quote at the beginning of the form).
You should see:


(rose violet . buttercup)


Any change you propose to ‘read’ that assumes (or prescribes)
otherwise will be DOA.

--
Thien-Thi Nguyen -----------------------------------------------
(defun responsep (type via)
  (case type
    (technical (eq 'mailing-list via))
    ...))                              748E A0E8 1CB8 A748 9BFA
--------------------------------------- 6CE4 6703 2224 4C80 7502




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