From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: John Yates Newsgroups: gmane.emacs.devel Subject: Re: Reformat all of src/ Date: Wed, 28 Dec 2016 12:23:46 -0500 Message-ID: References: <87h95olvg0.fsf@gmail.com> <228ccc55affe1320a030a5652c63e005.squirrel@cloud103.planethippo.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a114020ba45765b0544bb3bb3 X-Trace: blaine.gmane.org 1482945874 2784 195.159.176.226 (28 Dec 2016 17:24:34 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 28 Dec 2016 17:24:34 +0000 (UTC) To: Phillip Lord , Chris Gregory , Emacs developers Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Dec 28 18:24:24 2016 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 1cMHxe-0007fb-Dp for ged-emacs-devel@m.gmane.org; Wed, 28 Dec 2016 18:24:22 +0100 Original-Received: from localhost ([::1]:60249 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMHxi-0003fC-V5 for ged-emacs-devel@m.gmane.org; Wed, 28 Dec 2016 12:24:26 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMHx8-0003ev-4I for emacs-devel@gnu.org; Wed, 28 Dec 2016 12:23:51 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cMHx7-00065L-7M for emacs-devel@gnu.org; Wed, 28 Dec 2016 12:23:50 -0500 Original-Received: from mail-lf0-x22b.google.com ([2a00:1450:4010:c07::22b]:36577) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cMHx6-000655-VC for emacs-devel@gnu.org; Wed, 28 Dec 2016 12:23:49 -0500 Original-Received: by mail-lf0-x22b.google.com with SMTP id t196so208138947lff.3 for ; Wed, 28 Dec 2016 09:23:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to; bh=gjv5CgZYP3WSNYM+OQnBu+xoBbuTsOkaapDP83AqKT0=; b=bvUhBmMSdcIFjX7W54yTrnuyYDArPuAV5OjkeYq2985AZXrLcY0edaYtBjCkSd8s3v jRluQRw6Y1ACA7STCXQNk90nfRbILIspiWMDdSrx0GWDxxKNUT4zvIepp1r6hK26m2PU 4lO5qnQKoUHfgD+UogqT4BjeBPAiOB9Zw4BL43ojWwo5vTa5TEXifZjMmoQPHMRhOmf0 rGB6Cdb02GQdEu9HoYlvXNEpp9VfFyomWEdtuSdsse0T7nwzYAHaF0EmOQzCR6PTA7T4 LG3jfWhnkDP2yDwbE3SsJ84stDQRCzpYb8uBpYQnAHEiM2QmnMVL79aEAOplQhcAMoTt V8gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to; bh=gjv5CgZYP3WSNYM+OQnBu+xoBbuTsOkaapDP83AqKT0=; b=pvEY0WXcpdAZK37WGE7wzuN9NgwBloajfwdAkIE3wmyr2y95uuTeSFSRApwuSSKSz+ C1LTcTUrBvbglldU8VpJhuBRwc/GL0RsohflWKxiht4+9RJVo92KQmMsYhZsy10voUVX +FmExCHNHjbzcBeSF5i0jL5U/QxBfETkkYJxxYT8VowAlhN7WLL0qWV6KLkAgzkW+vAs EhaEPNzYODsufiKQQDHIGc5XdyZIEY0voziwP2/ow6dXETHRWVRv3fYCdeUERiQ4A5mH WPsLUHi5ONCAjKEDH62T1a9dSY6F7/WgQzniW5EsSC43FypSa2nrKUhfKbeU4LrzYzJF fB+w== X-Gm-Message-State: AIkVDXKVrkrnFJUkeVu/njQ7vMtV5N2SBET4g7OwIwTPBs3VRn+KE009Qh9bnNrnC9fzZPCbkf0Nwb5TDWJ22w== X-Received: by 10.25.29.8 with SMTP id d8mr11104897lfd.18.1482945827532; Wed, 28 Dec 2016 09:23:47 -0800 (PST) Original-Received: by 10.25.165.209 with HTTP; Wed, 28 Dec 2016 09:23:46 -0800 (PST) In-Reply-To: X-Google-Sender-Auth: bafZrn-FPRq5-fNn2WcT5JTwRtc X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:4010:c07::22b 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:210911 Archived-At: --001a114020ba45765b0544bb3bb3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, Dec 28, 2016 at 11:59 AM, John Wiegley wrote: > If we were going to reformat all the sources, I'd rather we observe the > rule > "never use tabs". I don't see what benefit they possibly offer. > Make files aside, is there any other justification for hard tabs besides compression? =E2=80=8B 40 =E2=80=8B+=E2=80=8B years ago when =E2=80=8Bmy=E2=80=8B only available language =E2=80=8Bs were DEC=E2=80=8B assembler =E2=80=8Bs=E2=80=8B a line typically looked like: OPCODE OPERAND [ ',' OPERAND ]* + ';' COMMENT With identifiers limited to 6 characters and short comments tabs easily produced 50% compression. In more modern languages I have to believe that the compression is _much_ less. --001a114020ba45765b0544bb3bb3 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Wed, De= c 28, 2016 at 11:59 AM, John Wiegley <jwiegley@gmail.com> wrote:
If we w= ere going to reformat all the sources, I'd rather we observe the rule "never use tabs". I don't see what benefit they possibly offe= r.

Make files aside, is there any other j= ustification for hard tabs besides compression?

=E2=80=8B
40
=E2=80=8B+=E2=80= =8B
years ago when
=E2=80=8Bmy=E2=80=8B
=C2=A0= only available language
=E2=80=8Bs were DEC=E2=80=8B
= assembler
=E2=80=8Bs=E2=80=8B
a line
typically looked = like:

=C2=A0 =C2=A0 <ht> OPCODE <ht>= ; OPERAND [ ',' OPERAND ]* <ht>+ ';' COMMENT
=
With identifiers limited to 6 characters and short comments ta= bs easily produced
50% compression.=C2=A0 In more modern languages = I have to believe that the compression
is _much_ less.

=
--001a114020ba45765b0544bb3bb3--