From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Sharp--quote [was: url-retrieve fails on most HTTPS sites] Date: Tue, 29 Sep 2020 17:18:28 +0200 Message-ID: <87sgb0obln.fsf@ebih.ebihd> References: <87sgb1my75.fsf@hypra-graner> <87k0wdsde8.fsf@ebih.ebihd> <20200928232459.GA128690@scrozzle> <87blhpsc4b.fsf@ebih.ebihd> <871rils1sc.fsf@ebih.ebihd> <20200929093123.GC31698@tuxteam.de> <87eemkrjzg.fsf@ebih.ebihd> <20200929103245.GD31698@tuxteam.de> <87blhoq2kb.fsf@ebih.ebihd> <20200929141421.GA13194@tuxteam.de> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30957"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:9xWnyZ2uj5BZo5qOble2bVbuewk= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 29 17:19:17 2020 Return-path: Envelope-to: geh-help-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 1kNHPR-0007wR-Gq for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 29 Sep 2020 17:19:17 +0200 Original-Received: from localhost ([::1]:49826 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNHPP-0001fs-EE for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 29 Sep 2020 11:19:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40888) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNHOp-0001fk-Qf for help-gnu-emacs@gnu.org; Tue, 29 Sep 2020 11:18:39 -0400 Original-Received: from static.214.254.202.116.clients.your-server.de ([116.202.254.214]:58406 helo=ciao.gmane.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNHOo-000052-56 for help-gnu-emacs@gnu.org; Tue, 29 Sep 2020 11:18:39 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kNHOk-0007BH-OG for help-gnu-emacs@gnu.org; Tue, 29 Sep 2020 17:18:34 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/29 09:57:28 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.199, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:124208 Archived-At: t wrote: > One of the things is that, if the compiler knows > you're going for the function definition, it can > warn you if it "knows" this to be unbound in the > relevant context. 3rd time? :) > It might also eliminate check code if it knows that > value to be present (or even use the value > directly). How does this relate to #' or no #'? >> BTW how does _Lisp_ know what is refered to? [...] > > Syntactical context: if you say > > (foo 1 2 3) > > it knows it has to look up things in the variable's > function cell, whereas in > > (+ 1 2 foo 3) OK! > As usually, it takes some familiarity. But if > I see, in the middle of something No, I've used it (sharp quote) a lot, no less than 413 times! But if I 'grep -v' the three most frequent settings, i.e. "key", "hook", and "alias", only 47 remains... > (mumble 1 2 #'foo 5) > > ... then I /know/ "aah, foo is being passed as > > a function". Whereas if I see > > (mumble 1 2 'foo 5) > > ... then I just don't know. It might be used as > a function, as a symbol... whatever. Well, if you give it a better name than "foo" then it is still pretty clear. But OK, that's true, +1 -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal