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From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: About equality in Emacs
Date: Sun, 03 Feb 2013 17:58:18 +0100	[thread overview]
Message-ID: <87lib5ibbp.fsf@web.de> (raw)
In-Reply-To: <mailman.18912.1359903712.855.help-gnu-emacs@gnu.org> (Xue Fuqiao's message of "Sun, 3 Feb 2013 23:01:38 +0800")

Xue Fuqiao <xfq.free@gmail.com> writes:

> In the trunk version of (info "(cl) Equality Predicates"):
>
>    Also note that the Common Lisp functions `member' and `assoc' use
> `eql' to compare elements, whereas Emacs Lisp follows the MacLisp
> tradition and uses `equal' for these two functions.  In Emacs, use
> `memq' (or `cl-member') and `assq' (or `cl-assoc') to get functions
> which use `eql' for comparisons.
>
> I'm confused with the last sentence.  Don't `memq' and `assq' compare
> objects with `eq'?  Why does the manual say that they "get functions
> which use `eql' for comparisons"?

Doesn't make much sense to me as well.  I filed a bug report; it's now
bug#13620.  I think this sentence was just damaged when it was updated.


Regards,

Michael.



  parent reply	other threads:[~2013-02-03 16:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.18912.1359903712.855.help-gnu-emacs@gnu.org>
2013-02-03 16:22 ` About equality in Emacs Pascal J. Bourguignon
2013-02-03 16:58 ` Michael Heerdegen [this message]
     [not found] ` <mailman.18922.1359910610.855.help-gnu-emacs@gnu.org>
2013-02-04 13:59   ` Michael Heerdegen
     [not found] <mailman.193.1359910844.12660.help-gnu-emacs@gnu.org>
2013-02-04  0:20 ` Xue Fuqiao
2013-02-04  0:27   ` Drew Adams
2013-02-03 15:01 Xue Fuqiao

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