From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] scratch/widen-less a4ba846: Replace prog-widen with consolidating widen calls Date: Tue, 5 Dec 2017 20:40:00 +0200 Message-ID: <75360721-62e7-37aa-f623-4b7eac8d4fbe@yandex.ru> References: <20171129233237.27462.23351@vcs0.savannah.gnu.org> <20171130214621.GA22157@ACM> <27985594-3bb4-ce88-8928-2ccfeac13eae@yandex.ru> <20171201154913.GB3840@ACM> <1e542021-e389-cca4-6acd-349efddb2652@yandex.ru> <20171201223529.GG3840@ACM> <4a94ec5c-efdd-50f1-ff4d-277f5f45c2df@yandex.ru> <83lgil1qme.fsf@gnu.org> <83d13x1j2s.fsf@gnu.org> <34abea95-c7f7-e8fa-8407-8c2fd2a4cfe1@yandex.ru> <83y3mkzw1n.fsf@gnu.org> <83mv2zzv7z.fsf@gnu.org> <83r2saxyj1.fsf@gnu.org> <83efoaxv0c.fsf@gnu.org> <57382399-5efa-655f-e374-fbe1ef9d89aa@yandex.ru> <27732BB8-B3B7-4489-963E-A09333026A8E@gnu.org> <43ec332a-4de5-d3ce-1bc2-60b081447f77@yandex.ru> <6A58664C-42E7-48E4-BB90-0488FED4A7FD@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1512499252 11561 195.159.176.226 (5 Dec 2017 18:40:52 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 5 Dec 2017 18:40:52 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Thunderbird/58.0 To: Eli Zaretskii , emacs-devel@gnu.org, Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 05 19:40:39 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eMI8y-0002Hy-BM for ged-emacs-devel@m.gmane.org; Tue, 05 Dec 2017 19:40:36 +0100 Original-Received: from localhost ([::1]:51579 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eMI95-0007qc-Nz for ged-emacs-devel@m.gmane.org; Tue, 05 Dec 2017 13:40:43 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42603) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eMI8X-0007qD-V4 for emacs-devel@gnu.org; Tue, 05 Dec 2017 13:40:10 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eMI8U-0002AO-SW for emacs-devel@gnu.org; Tue, 05 Dec 2017 13:40:09 -0500 Original-Received: from mail-wr0-x229.google.com ([2a00:1450:400c:c0c::229]:39128) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eMI8U-00029z-LB; Tue, 05 Dec 2017 13:40:06 -0500 Original-Received: by mail-wr0-x229.google.com with SMTP id a41so1361420wra.6; Tue, 05 Dec 2017 10:40:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=CoendX925g+oDj70PdhSm0K1wfqTzW1wXD2aqlZP2wg=; b=N7Vt1FYrJjPdXjJKRsKBI24UlvfCentR6FgI4o3N+r2BWW9usSXWChHyDGGBecPOuw CCeWq4m2zkOU9WPW3wVtLBXUv5U9Vr9XhN03LwnGSy1O2DZWAH3ALUb9gGbTpEN7RZFZ OFEqzdHhufTQ/bdHSZ4hhC1P+TGC5HnLv+rYUznlvu0U6ISjJP76dk34YPoTYjzGAjVX DcuSkmIrDrLnoCXx5iilDsE57P8Im7xYGRwE0X9I4oVbAX5yu4QB+KkwuD7TX+0tSnqO pctvZ/g4roV7FYm9xAlk9sK3A85dGaCju74MgMgVuVeH5L+Rmg3klTox6OJEtUo2ptUZ +qcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=CoendX925g+oDj70PdhSm0K1wfqTzW1wXD2aqlZP2wg=; b=cthUCOps5HOniRJYZzn27oL61Z9Hnlujl7b1whS3qyKYI/34HzhRwAGF1OAQlkRmDd nEY4drNXis0lFWaVfhHhPm/IQ/0OTN1nZfJ4yZ7O5/am86rLt7FC5o84x+HtaDzbGE5i IU4D2LRgz0Gs/sMiojodKOrV5HQfisrs6ySJYjjZj/el+9NKPfyy6o2UtPkQLs0NxuIG mI5EWT7eWZZmJQ5mk/Y1T3fqrq9VJg8PaRfG8SIdzOpDjZeicSzQybvlgchQXsKnxUZJ XImeYM9PQJjktzMdsaJWmpG5qPzGyx+aurB58GzVJjHRof26EREjyICPDfRw5PBMlbky RDQQ== X-Gm-Message-State: AJaThX59VYvnbGl9cE8sfArKy8a7Ig/WvlSYnddKObvdYk4UnJGHvQBV 1ZobDutXpUe7cFFjAMvIhxDp4oXf X-Google-Smtp-Source: AGs4zMbgUIrhKELoUWpyvdqJAFgX1xU5KCncqRSNDWqtcfB6/fiEyYeb1jB1rNRopeJEqEJ5X8MWAA== X-Received: by 10.223.199.212 with SMTP id y20mr19194945wrg.60.1512499205428; Tue, 05 Dec 2017 10:40:05 -0800 (PST) Original-Received: from [192.168.1.3] ([185.105.174.193]) by smtp.googlemail.com with ESMTPSA id w133sm1151739wmg.9.2017.12.05.10.40.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 05 Dec 2017 10:40:02 -0800 (PST) In-Reply-To: <6A58664C-42E7-48E4-BB90-0488FED4A7FD@gnu.org> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c0c::229 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:220746 Archived-At: On 12/5/17 7:53 PM, Eli Zaretskii wrote: > You assume that the indentation function has the same information about the higher-level context as its callers. But that assumption is not necessarily true; narrowing exists precisely because higher-level code wants to set up lower-level code without explicitly passing it this information. Without MMM in the equation, the caller here is indent-for-tab-command. It's an interactive function, and the only narrowing present before it is the one possibly applied by the user, interactively.