bug#20322: 25.0.50; indent-tabs-mode should default to nil

[Eli Zaretskii]

> Date: Wed, 15 Apr 2015 14:18:43 +0300
> From: Dmitry Gutov <dgutov@yandex.ru>
> Cc: 20322@debbugs.gnu.org
> 
> On 04/15/2015 05:33 AM, Richard Stallman wrote:
> 
> > Tabs make file smaller.  I just did an experiment.  In lread.c, M-x
> > untabify changed 139702 characters into 155402 characters, which is
> > 11% bigger.
> 
> Right, I suppose that made sense, back in the day. Thanks for the context.
> 
> > For subr.el, it was smaller: 200817 characters became 209939, only
> > 4.5% bigger.  However, files.el got 12% bigger.
> >
> > If most of a git repository is text from various versions of files,
> > the repository is also likely to get around 10% bigger without tabs,
> > and now you're talking about 30 meg more.
> 
> Git compresses the file contents with zlib when storing them.

Git compresses the objects under .git/, but it doesn't compress the
checked-out files.