Date: Sun, 5 Feb 2012 23:42:05 -0500
From: Austin Clements <amdragon@MIT.EDU>
To: David Bremner <bremner@debian.org>
Subject: Re: [PATCH] STYLE: Initial draft of coding style document
Message-ID: <20120206044205.GQ10898@mit.edu>
References: <1327708018-1107-1-git-send-email-david@tethera.net>
	<m2ehuhdzls.fsf@guru.guru-group.fi>
	<CAB+hUn-o8JyWPqS+1e37m171cR04=LNOCBxFLyUiRK1vWjbe3g@mail.gmail.com>
	<87vcnnjuac.fsf@rocinante.cs.unb.ca>
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Cc: Tomi Ollila <tomi.ollila@iki.fi>, notmuch@notmuchmail.org
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Quoth David Bremner on Feb 03 at  8:50 pm:
> On Mon, 30 Jan 2012 18:01:15 +0200, Jani Nikula <jani@nikula.org> wrote:
> > On Jan 30, 2012 4:38 PM, "Tomi Ollila" <tomi.ollila@iki.fi> wrote:
> > >
> > > > +
> > > > +* Indent is 4 spaces with mixed tabs/spaces and a tab width of 8.
> > > > +  Tabs should be only at the beginning of the line.
> > >
> > > So, after initial indentation (with tabs) there should not be further
> > > tabs? We'll be using the former instead of the latter in these 2 below?
> 
> Ah, I only meant to explain what whitespace-mode complains about, namely
> 
> <space><space><space><space><tab>x=1;
> 
> as opposed to 
> 
> <tab<space><space><space><space><tab>x=1;
> 
> I'm not sure it's that important, but apparently if it stays in the
> style guide it needs rewording.

Any indentation style this difficult to explain can't be a good idea.
How about,

* Indent is 4 spaces with mixed tab/spaces and a tab width of 8.
  (Specifically, a line should begin with zero or more tabs followed
  by fewer than eight spaces.)