From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#52394: 27.2; Isearch with char folding enabled =?UTF-8?Q?doesn=E2=80=99t?= match equivalent strings Date: Sun, 12 Dec 2021 20:43:53 +0200 Message-ID: <834k7doe8m.fsf@gnu.org> References: <86ilvwkidx.fsf@mail.linkov.net> <86czm2ncfe.fsf@mail.linkov.net> <864k7elw3m.fsf@mail.linkov.net> <864k7eb7kj.fsf@mail.linkov.net> <86pmq1q5it.fsf@mail.linkov.net> <83a6h5ogkt.fsf@gnu.org> <86a6h5lmug.fsf@mail.linkov.net> <835yrtof3u.fsf@gnu.org> <861r2hllql.fsf@mail.linkov.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27819"; mail-complaints-to="usenet@ciao.gmane.io" Cc: greselin.andrea@gmail.com, 52394@debbugs.gnu.org To: Juri Linkov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 12 19:45:33 2021 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 1mwTqm-00072C-RM for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 12 Dec 2021 19:45:33 +0100 Original-Received: from localhost ([::1]:58588 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mwTql-0002iZ-MA for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 12 Dec 2021 13:45:31 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:59062) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwTqI-0002hI-PP for bug-gnu-emacs@gnu.org; Sun, 12 Dec 2021 13:45:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:41570) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mwTqI-0005vd-Gd for bug-gnu-emacs@gnu.org; Sun, 12 Dec 2021 13:45:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mwTqI-00042E-7q for bug-gnu-emacs@gnu.org; Sun, 12 Dec 2021 13:45:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 12 Dec 2021 18:45:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 52394 X-GNU-PR-Package: emacs Original-Received: via spool by 52394-submit@debbugs.gnu.org id=B52394.163933465215437 (code B ref 52394); Sun, 12 Dec 2021 18:45:02 +0000 Original-Received: (at 52394) by debbugs.gnu.org; 12 Dec 2021 18:44:12 +0000 Original-Received: from localhost ([127.0.0.1]:53116 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mwTpT-00040v-SU for submit@debbugs.gnu.org; Sun, 12 Dec 2021 13:44:12 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58150) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mwTpS-00040j-2t for 52394@debbugs.gnu.org; Sun, 12 Dec 2021 13:44:10 -0500 Original-Received: from [2001:470:142:3::e] (port=37338 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwTpK-0004n0-3E; Sun, 12 Dec 2021 13:44:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=8txxzhPGIPqZXofIg40l4UlsMHJ0s9UvyhghRJsSwfE=; b=sGbLCeE6x3tFTFm05o6c DhrYI7gMucmK5SRlm26EmmvS+/CzM3yuJMvfCJDbCGYJZR70rA8uLcJk+x7l27UfkcemoNEDTcG2w RkP7wPBF24w2W4JgCS9kFBK/nSr9/oqiYeYqTFbYEAF6JanR5z3qrDuS93Dgy5GJ6t0enV/zjZyjr ELUbUZw6yBMB+XUxGhbRZdARFgdYJ0p+pr5lUwuqd9+kytU7v9De5iAql7XfhK8lYiX/DFgKc41bX T4CaHVkXd97KaxbTZMX2Ey/eojPrGUb2t/tXG4+TRsTDxSajsYRNozl+GHCIPY3e5jBE4iuriteUu 9ecJwGgjb+FFQA==; Original-Received: from [87.69.77.57] (port=3496 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwTpJ-0005FA-JQ; Sun, 12 Dec 2021 13:44:02 -0500 In-Reply-To: <861r2hllql.fsf@mail.linkov.net> (message from Juri Linkov on Sun, 12 Dec 2021 20:30:10 +0200) 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:222248 Archived-At: > From: Juri Linkov > Cc: greselin.andrea@gmail.com, 52394@debbugs.gnu.org > Date: Sun, 12 Dec 2021 20:30:10 +0200 > > >> > Doesn't this change the default behavior? > >> > >> No, no change in the default behavior. > > > > Then I guess the doc string of the defcustom is confusing? Can you > > make it more clear wrt what each value means in practice? > > Here is the doc string. How do you propose to make it more clear? > > "Non-nil means to override all default folding characters. > When nil, the equivalence table is populated with the default set > of equivalent chars, and you can remove unneeded characters using > `char-fold-exclude', and add own characters using `char-fold-include'. > But when this variable is customized to non-nil, you start with > an empty table where you can add only own characters > using `char-fold-include'." My reading of this is that the feature by default will not work at all: since the default value is not nil, the doc string says that I "start with an empty table", so no folding will happen. Is that what you meant? And if so, how isn't this a change in behavior? In Emacs 27 the folding works by default and finds equivalent characters without any user intervention. What am I missing?