From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3189 invoked by alias); 14 May 2018 16:32:24 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: List-Unsubscribe: X-Seq: 42777 Received: (qmail 23208 invoked by uid 1010); 14 May 2018 16:32:24 -0000 X-Qmail-Scanner-Diagnostics: from mail-ot0-f179.google.com by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.99.2/21882. spamassassin: 3.4.1. Clear:RC:0(74.125.82.179):SA:0(-1.9/5.0):. Processed in 1.196337 secs); 14 May 2018 16:32:24 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.1 X-Envelope-From: sgniazdowski@gmail.com X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=sacGLyYsJZ/Lra6G3AKmRjf40LmMceX+0ITFjlVaHVw=; b=K0RQFUw8Y9LMNPezcxKPJ789Yo8BkVnve1pz80g3X4h9ZN/FIgTwLuw3fTQRBKt4RL UMxm6O47YjaFoQA2uoZKJiKRErIvST8C5AoqN1xx8MQft7EzUo9LYCd2DHdsW1H5oYmf +6TCdm70nX8J8DRH3D2NkjuumaLVRz5fUBXNR53c4urUSQeHs9veoURXUXCx1vv0NmQR vXxBL7JuaR+pNnekTdPjv6ILAWYajnU+eXsI6H3AtT1NdasHBVMGOJqkuatJ+VD+YjUY kQtCnuzjl1fixkifK8jQ94Mx8M0iu5VPYf213pL5zE7Ua7Kdnbywhuz0cpshqC+Sx5nF gnWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=sacGLyYsJZ/Lra6G3AKmRjf40LmMceX+0ITFjlVaHVw=; b=Vfnr016BiVNWCzJ5bOHaz9BDU+PMbL/CkXfLQu10cH+Sv+WfECUkpaGi35rY98jG2z m6g4kNlHaGbGmPuC8fxDQ3JQ0onTnnujLZpgzEMmL9OOdrMGFIeI43Lcp8k7njjrN+Bp ccrtxgzXHVlBC1AhKvWTkoJBxjK3ZStmsGqTZDM9vZio3qtQfMC1eGJSB0kMZXPVSsPr xKAQbxEviOHLiiECpocMe3zKr3FsQ7IBZUQ+rGkdkkFKb9yBSh50vZzQ0oWmOH5RdLep l0gCwnHZYxoKHRaqIXx02XfzYbUQqzZrNtXhZY4Ikglz1CsICP/j0Wo8zuPTJ7F/Espv h6Iw== X-Gm-Message-State: ALKqPwdfKsB8KbcJUVT2terwiD4fGEuyn4S27Au4ljHPR3r5bby6IrYD W7cAkAPuawny8PI8dfaQyYjJc1CnheCLnHuwNw4= X-Google-Smtp-Source: AB8JxZqkHwzABIwFlUgdSf83qnvOeqS43LECYlFx8cZ53wi4qYe3Wbfbr9u3pjTW9aQE1iDHIpjE1Czpk6TAAzK2v4k= X-Received: by 2002:a9d:7453:: with SMTP id p19-v6mr8198850otk.348.1526315539922; Mon, 14 May 2018 09:32:19 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20180514155131.GC7263@chaz.gmail.com> References: <20180513212553.GA29028@chaz.gmail.com> <20180514063611.GA7263@chaz.gmail.com> <20180514064431.GB7263@chaz.gmail.com> <20180514094733.308bff1a@camnpupstephen.cam.scsc.local> <20180514123425.GA19631@chaz.gmail.com> <20180514145056.3eedaea9@camnpupstephen.cam.scsc.local> <20180514155131.GC7263@chaz.gmail.com> From: Sebastian Gniazdowski Date: Mon, 14 May 2018 18:31:59 +0200 Message-ID: Subject: Re: [PATCH] [[:blank:]] only matches on SPC and TAB To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" On 14 May 2018 at 17:51, Stephane Chazelas wrote: > I just noticed that on NetBSD, in locales using UTF-8 or > GB18030, isblank() returns true on \v (vertical TAB), not in any > other locale! So does iswblank(). So out goes my claim that > "blank" should be for horizontal spaces. On OpenBSD (where only > UTF-8 charsets are supported in locales other than C/POSIX), > iswblank() matches on \v and \f. > > What a mess! Maybe seeing Zsh as a platform is a way. I suspect that the person which decided to match non-horizontal space on NetBSD or OpenBSD via :blank: was himself thinking in platform terms. So basically "in Zsh world [[:blank:]] is ...". I feel that BSD coders like such power-of-creation moments, "in NetBSD world it will be that way...". Too bad character classes shine in control code, "if :space:, then, else" and such play in a creator is actually very influential and long term. So one option is to leave [[:blank:]] as it is, I would be happy to use it in code and comfortably include tabs in various initially 0x20-space comparisons (BTW., [ $'\t'] doesn't work in [[ ... ]], the space needs to be backslashed). The other way is to make it very normal, without bumps. The other is to join systems that prevail in numbers or market share. -- Best regards, Sebastian Gniazdowski