From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philip Kaludercic Newsgroups: gmane.emacs.devel Subject: Re: "Raw" string literals for elisp Date: Wed, 08 Sep 2021 21:24:20 +0000 Message-ID: <87pmtiyd4r.fsf@posteo.net> References: <4209edd83cfee7c84b2d75ebfcd38784fa21b23c.camel@crossproduct.net> <8735qeg9ed.fsf@posteo.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7233"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Alan Mackenzie , Emacs developers , Anna Glasgall , Stefan Monnier , Mattias =?utf-8?Q?Engdeg=C3=A5rd?= To: Stefan Kangas Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Sep 08 23:25:09 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mO548-0001bf-Sb for ged-emacs-devel@m.gmane-mx.org; Wed, 08 Sep 2021 23:25:08 +0200 Original-Received: from localhost ([::1]:36702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mO547-00088v-9X for ged-emacs-devel@m.gmane-mx.org; Wed, 08 Sep 2021 17:25:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47972) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mO53U-0007TK-6d for emacs-devel@gnu.org; Wed, 08 Sep 2021 17:24:28 -0400 Original-Received: from mout01.posteo.de ([185.67.36.65]:56371) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mO53R-0001ke-Oq for emacs-devel@gnu.org; Wed, 08 Sep 2021 17:24:27 -0400 Original-Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id 23DBA240027 for ; Wed, 8 Sep 2021 23:24:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1631136262; bh=r7FF9kMg+zhtZjxAtG+DENB06p1jzwrTEIo0R7G/yn8=; h=From:To:Cc:Subject:Autocrypt:Date:From; b=hk1oxhoqmZSHymbAxQF2Ty+j1YPBSuKCLHdL4jU+Osnkh/iaLPtLAzgffVVb85xws pd48srbRTd0Mg72cPTmPJD05lH11yATA+HOjFk9dtxLdhmsNYr+bUo/4LVd3qVJznM dGCigw07JQCVagNbVNqEmLWy59XXzVK07/scBXjx90eJO/lO/75KQ2nooPNXSWY3MH cSHWvm9Gs/VUB/pzu441E7ouZOV3zs6kiT5N2Fwkgpfxj/fHX4SFV6C5aRMtyqxbE1 O2S6LhLTA/kmCKAZE21W/rk0aByaq6B3u+1JwdAeUu2e9YIJiUGfjsCMBfj69D9n8L cgR9r0n8bW+yA== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4H4Zs0501Hz6tm5; Wed, 8 Sep 2021 23:24:20 +0200 (CEST) Autocrypt: addr=philipk@posteo.net; prefer-encrypt=mutual; keydata= mDMEYHHqUhYJKwYBBAHaRw8BAQdAp3GdmYJ6tm5McweY6dEvIYIiry+Oz9rU4MH6NHWK0Ee0QlBo aWxpcCBLYWx1ZGVyY2ljIChnZW5lcmF0ZWQgYnkgYXV0b2NyeXB0LmVsKSA8cGhpbGlwa0Bwb3N0 ZW8ubmV0PoiQBBMWCAA4FiEEDM2H44ZoPt9Ms0eHtVrAHPRh1FwFAmBx6lICGwMFCwkIBwIGFQoJ CAsCBBYCAwECHgECF4AACgkQtVrAHPRh1FyTkgEAjlbGPxFchvMbxzAES3r8QLuZgCxeAXunM9gh io0ePtUBALVhh9G6wIoZhl0gUCbQpoN/UJHI08Gm1qDob5zDxnIHuDgEYHHqUhIKKwYBBAGXVQEF AQEHQNcRB+MUimTMqoxxMMUERpOR+Q4b1KgncDZkhrO2ql1tAwEIB4h4BBgWCAAgFiEEDM2H44Zo Pt9Ms0eHtVrAHPRh1FwFAmBx6lICGwwACgkQtVrAHPRh1Fw1JwD/Qo7kvtib8jy7puyWrSv0MeTS g8qIxgoRWJE/KKdkCLEA/jb9b9/g8nnX+UcwHf/4VfKsjExlnND3FrBviXUW6NcB In-Reply-To: (Stefan Kangas's message of "Wed, 8 Sep 2021 23:11:00 +0200") Received-SPF: pass client-ip=185.67.36.65; envelope-from=philipk@posteo.net; helo=mout01.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:274395 Archived-At: Stefan Kangas writes: > Philip Kaludercic writes: > >> The reason I use rx in a lot of my scripts is that I can add comments, >> explanations, formatting, etc. when it gets complicated. I think that is >> a significant advantage, that even raw strings wouldn't have (unless a >> comment syntax were to be added into the regular expression language, >> which is unlikely). > > Perl has this: > > perl -e '$foo = "bar"; print "yes" if $foo =~ / bar # comment /x;' > > is equivalent to > > perl -e '$foo = "bar"; print "yes" if $foo =~ /bar/;' Yes, but taking backwards compatibility into account, you cannot just define some character to be used for comments. -- Philip Kaludercic