From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#40216: 28.0.50; Misinformation in isearch char-fold Date: Thu, 26 Mar 2020 16:43:10 +0100 Message-ID: References: <87y2rppddp.fsf@mail.linkov.net> <87imiskzc6.fsf@mail.linkov.net> <83d08z9os5.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="44901"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 40216@debbugs.gnu.org, juri@linkov.net To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 26 16:44:13 2020 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 1jHUg1-000Baj-5d for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 26 Mar 2020 08:43:12 -0700 (PDT) Original-Received: from rpluim-mac ([2a01:e34:ecfc:a860:bdc9:e98c:bf1f:4cce]) by smtp.gmail.com with ESMTPSA id j5sm4050213wrr.47.2020.03.26.08.43.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Mar 2020 08:43:11 -0700 (PDT) In-Reply-To: <83d08z9os5.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 26 Mar 2020 16:25:14 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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:177748 Archived-At: >>>>> On Thu, 26 Mar 2020 16:25:14 +0200, Eli Zaretskii said: >> From: Robert Pluim >> Date: Thu, 26 Mar 2020 10:28:55 +0100 >> Cc: 40216@debbugs.gnu.org >>=20 >> Do we need an option to char-fold-regexp that says 'only apply >> char-folding to non-ascii characters'? Eli> But this feature is not intended only to find variants of non-ASCII Eli> characters when one searches for a non-ASCII, it is also intended = to Eli> find variants when searching for ASCII characters. For example, Eli> searching for a is supposed to find =C3=A4 and =C3=A0 and =C3=A1. = Or am I missing Eli> something? Yes, that=CA=BCs exactly right. But in the case where you have mainly characters where you don=CA=BCt want case-folding, it might make sense to restrict the folding to non-ascii as an optimisation. eg. Suppose my name were R=C3=B8bert, with people frequently misspelling it as Robert, I might want isearch to just search for "R\\(?:=C3=B8=CC=81\\|[=C3=B8=C7=BFo]= \\)bert" R=C3=B8bert