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bug#15478: cc-mode does not obey electric-indent-mode

From: Alan Mackenzie
Subject: bug#15478: cc-mode does not obey electric-indent-mode
Date: Thu, 3 Oct 2013 11:54:10 +0000 (UTC)
User-agent: tin/1.9.6-20101126 ("Burnside") (UNIX) (FreeBSD/8.4-RELEASE (amd64))

Hi, Andreas.

Andreas R?hler <address@hidden> wrote:
> Am 03.10.2013 06:10, schrieb Stefan Monnier:
>>>> That's because *you* like electric-indent-mode.  Not because C is special.
>>> Electric indentation is more useful in a language like C than it is in
>>> something like Python --- C has a richer set of brace characters.

>> Right: Python is indeed special because fully automatic indentation is
>> not really possible.  But C is not special in this respect.

>>> cc-mode's sophisticated syntactic indentation is an Emacs "killer feature".

>> The "sophisticated syntactic indentation" is also a killer feature for
>> Octave users, SML users, Lisp users, Javascript users, ...

>>> Anyway, we should be showcasing it by default, using electric
>>> indentation, instead of hiding it behind configuration because users
>>> might want to lobotomize their indentation by rebinding <tab>.

>> That's arguing for changing the global default of electric-indent-mode.

>> Whereas this bug report is about changing cc-mode to follow the
>> global preference, whichever way it's set.

>>          Stefan

> Experience from python-mode says: better keep electric-stuff and common 
> indent apart.

That's the way it is in python-mode.  In CC Mode, automatic indentation
doesn't work without electricity.  A single global default for
electric-indent-mode is thus inadequate.

> Being aware new users might be attracted by these shiny and useful features, 
> for Emacs beginners
> a lot of surprises may result.

> IMHO that's part of the "steep learning curve", Emacs is often blamed of - 
> too much electric stuff for beginners.

> Rather tell at README and Info what to activate once it works.

I say, let the defaults reflect a properly functioning Emacs.

Alan Mackenzie (Nuremberg, Germany).

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