From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#57397: cl-letf blindly macroexpands places Date: Wed, 28 Sep 2022 17:44:14 +0200 Message-ID: <87tu4rbj1t.fsf@web.de> References: <877d2xdjdi.fsf@web.de> <87leralavg.fsf@web.de> <87sfldmc43.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40443"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 57397@debbugs.gnu.org, Lars Ingebrigtsen To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Sep 28 18:26:48 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1odZtY-000AMU-AU for geb-bug-gnu-emacs@m.gmane-mx.org; 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Wed, 28 Sep 2022 17:44:15 +0200 In-Reply-To: (Stefan Monnier's message of "Sat, 03 Sep 2022 22:55:53 -0400") X-Provags-ID: V03:K1:iIBx0oLLr77+d4816t4S+Yrlz8MMK4p4KG1f4/WG8fi6wEVxavr LKgsblDyLavLxJw8u+T4TEXmxqhDaJJ8y63btGeAtPKkVwZk9LBnzSgB4xvER0voPi+pDQK wtpr0A3RLxmh111GSl9nX5xcUQtxU5/htZX579pZir4Mb2XTHKSngNd1Iz8RTgqh04lebhq trq1sitrypJDnWU+ahchA== X-UI-Out-Filterresults: notjunk:1;V03:K0:WYhEArP8xr4=:07vJ29KQ1MxYTlUFMPGoq6 +fNPHiu++W51FnlsCJkxOsqrdQe6wl7fJSgjle971SElTOvrWbeD+nL/XkrWnNUNVL8thtcGX kQdymjzhdDGTluuTbkXskBnnS8qhgVkkGy8SJR5WxINQgA4/EHLxbySM/83kCjk+m0w2nf5+n uRv701M9Au3We7rOeWGS04W0PyNUx/hG1iA8BRT4qRLSJ1F8x2j2c/9YRxBhM/Nurd26zSnrH na2VC7RwQSR5QgE0QhEpK9ECk1KmoKtt1z48jc+7ee+UKDy/NLOKUKhgE63Ye1jyjWra53qIU DESmsy53k/LDOLRwx/L9E3494UB2WKgoCtR43QvNul5jIEplJ7Jdn0w+BTaQwMQgQ0iqK9Nji R4lzezX+Gfcy64TncavaY3R4BzFoFlTIOj/lMxFHAq80HJyOXkQ43ipE1spXntaagnhCY+l3Q UOLkr+sJlOvVubzb/9E/UPI8cCwWG0XyYAiTvi7o2umeRAAjvyT/NHiAgmcNiXDpmfsGtjb3a yrdHio1AkKzRg2R8MAU2c3jeiQgujWrwDdy0GgSODtMNNMnJO9xPa/xCddBDLCgXwdEix4Sg2 dg/Sr7Tj7LXDwwoX76fQTPKQYv1U0oa9Di8gBWepYCUR/g5Kg1VAfHggouXK9vi72MCQ2pB4C f+vkwh3AHRmladIGhNtOQsX0LexYCfEG1L9werTdeAGVihJQp696cA5GOlpaiXWO5RSXVDBf/ xoCCePlq7eYvkoGFhVuUXMs6hHHkqJW/T4/sfOG9bqOOyrwas0SzkmaohKxmIKl5kIXtUx2e X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:243825 Archived-At: Stefan Monnier writes: > diff --git a/doc/lispref/functions.texi b/doc/lispref/functions.texi > index 983dfe2ec59..8e34fdf3640 100644 > --- a/doc/lispref/functions.texi > +++ b/doc/lispref/functions.texi > @@ -2476,11 +2476,11 @@ Declare Form > expander will call @var{expander} with that form as well as with > @var{args}@dots{}, and @var{expander} can either return a new expression to use > instead of the function call, or it can return just the form unchanged, > -to indicate that the function call should be left alone. @var{expander} can > -be a symbol, or it can be a form @code{(lambda (@var{arg}) @var{body})} in > -which case @var{arg} will hold the original function call expression, and the > -(unevaluated) arguments to the function can be accessed using the function's > -formal arguments. > +to indicate that the function call should be left alone. > + > +To avoid syntactic redundancy, when @var{expander} is of the form > +@code{(lambda (@var{arg}) @var{body})} the function's formal arguments > +are automatically added to the lambda's list of arguments. Yes, that would have helped a lot. A definitive improvement. But could we maybe describe that simpler like "when expander is a lambda form [...]"? - Because AFAIU these arguments are added to _any_ argument list - with other words, implicitly hint that it's an error to specify function arguments in the lambda arglist explicitly, or to provide an empty arglist. Michael.