Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:100623 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 9197 invoked from network); 15 Sep 2017 12:44:59 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 15 Sep 2017 12:44:59 -0000 Authentication-Results: pb1.pair.com smtp.mail=lester@lsces.co.uk; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=lester@lsces.co.uk; sender-id=pass Received-SPF: pass (pb1.pair.com: domain lsces.co.uk designates 185.153.204.204 as permitted sender) X-PHP-List-Original-Sender: lester@lsces.co.uk X-Host-Fingerprint: 185.153.204.204 mail4.serversure.net Linux 2.6 Received: from [185.153.204.204] ([185.153.204.204:56573] helo=mail4.serversure.net) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id A0/AD-19300-94BCBB95 for ; Fri, 15 Sep 2017 08:44:58 -0400 Received: (qmail 7428 invoked by uid 89); 15 Sep 2017 12:44:54 -0000 Received: by simscan 1.3.1 ppid: 7418, pid: 7425, t: 0.0402s scanners: attach: 1.3.1 clamav: 0.96/m:52/d:10677 Received: from unknown (HELO ?10.0.0.7?) (lester@rainbowdigitalmedia.org.uk@81.138.11.136) by mail4.serversure.net with ESMTPA; 15 Sep 2017 12:44:54 -0000 To: internals@lists.php.net References: <3D.0C.10715.383F8B95@pb1.pair.com> <1505382004.4078127.1105791680.3A06C2FA@webmail.messagingengine.com> <16.4C.19300.B2D7AB95@pb1.pair.com> <98ab178e-b999-7e36-5ff5-7b8c28fe0dd4@gmx.de> <02.9E.19300.FD58AB95@pb1.pair.com> <20170914134603.GS8096@phcomp.co.uk> <33.29.19300.7379BB95@pb1.pair.com> Message-ID: <55603872-e832-65ea-25b6-48e01074a4c7@lsces.co.uk> Date: Fri, 15 Sep 2017 13:44:54 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <33.29.19300.7379BB95@pb1.pair.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] Deprecate and remove case-insensitive constants? From: lester@lsces.co.uk (Lester Caine) On 15/09/17 10:02, Tony Marston wrote: > Why is it not possible to identify a single upper and lower case variant > for every character in every character set? Can't find the right unicode standard page, but https://www.elastic.co/guide/en/elasticsearch/guide/current/case-folding.html sums it up. -- Lester Caine - G8HFL ----------------------------- Contact - http://lsces.co.uk/wiki/?page=contact L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - http://enquirysolve.com/ Model Engineers Digital Workshop - http://medw.co.uk Rainbow Digital Media - http://rainbowdigitalmedia.co.uk