From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: char equivalence classes in search - why not symmetric? Date: Thu, 03 Sep 2015 19:23:29 +0300 Message-ID: <83lhcna2v2.fsf@gnu.org> References: <2a7b9134-af2a-462d-af6c-d02bad60bbe8@default> <834mjecdy7.fsf@gnu.org> <834mjcbydi.fsf@gnu.org> <333172eb-f9ae-4f75-8f51-8787a6789c8f@default> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE X-Trace: ger.gmane.org 1441297442 7669 80.91.229.3 (3 Sep 2015 16:24:02 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 3 Sep 2015 16:24:02 +0000 (UTC) Cc: jean.christophe.helary@gmail.com, monnier@IRO.UMontreal.CA, emacs-devel@gnu.org To: Drew Adams Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Sep 03 18:23:52 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZXXIm-00072X-31 for ged-emacs-devel@m.gmane.org; Thu, 03 Sep 2015 18:23:52 +0200 Original-Received: from localhost ([::1]:50089 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXXIm-00022B-87 for ged-emacs-devel@m.gmane.org; Thu, 03 Sep 2015 12:23:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51900) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXXIh-00021y-1F for emacs-devel@gnu.org; Thu, 03 Sep 2015 12:23:49 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZXXIc-00038g-5d for emacs-devel@gnu.org; Thu, 03 Sep 2015 12:23:47 -0400 Original-Received: from mtaout26.012.net.il ([80.179.55.182]:39439) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXXIb-00038U-TO for emacs-devel@gnu.org; Thu, 03 Sep 2015 12:23:42 -0400 Original-Received: from conversion-daemon.mtaout26.012.net.il by mtaout26.012.net.il (HyperSendmail v2007.08) id <0NU40000001ZRP00@mtaout26.012.net.il> for emacs-devel@gnu.org; Thu, 03 Sep 2015 19:25:39 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by mtaout26.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NU400J0G0AQ4Z70@mtaout26.012.net.il>; Thu, 03 Sep 2015 19:25:39 +0300 (IDT) In-reply-to: <333172eb-f9ae-4f75-8f51-8787a6789c8f@default> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 80.179.55.182 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:189518 Archived-At: > Date: Thu, 3 Sep 2015 09:15:40 -0700 (PDT) > From: Drew Adams > Cc: emacs-devel@gnu.org >=20 > But the question Jean-Christophe raised is about the _default_ > behavior. Indeed. > And BTW, he raised it specifically wrt char folding, not case foldi= ng. That's not true. Quote: > Maybe the default is wrong: > a should catch only a (and not aA=E0=E1 etc.) > a case modifier would allow a to catch aA > and a diacritic modifier would allow a to catch a=E0=E1 etc. > the free case and diacritic modifier can be combined so that a can = catch > aA=E0=C0=E1=C1 etc. >=20 > ie, the default it to catch *exactly* what the user types. > The attempt, each time, to hark back to the fact that Emacs default= s > _case_ folding to ON, in the context of a discussion about _char_ > folding, is lamentable. >=20 > We can deal with case folding later, if there is enough interest in > reconsidering its default behavior. In this thread the question is > about char folding, first and foremost. I reacted specifically to Jean-Christophe's suggestion to change the default for case-fold-search.