Re: Indentation and visual-line-mode

[Tassilo Horn <tassilo@member.fsf.org>]

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

>>>> (assuming you never want to change the indentation during editing).
>>> A while ago there was a thread about implementing a minor mode to get
>>> visual indentation with wrap-prefix using fill-context-prefix, in
>>> which I proposed an adaptation of the above; see
>>> <http://permalink.gmane.org/gmane.emacs.devel/125268>.  AFAIK there
>>> was no followup to my proposal.
>
> Indeed I didn't find the time to look at it and it ended up on my long
> list of "things to do when hell finally freezes over".

Hell's already frozen over:

  http://researchmaniacs.com/Jokes/HellExplained.html

>> I've just tried that code, and it's exactly what I've been looking for.
>
> I've just looked at it and it looks really nice and simple.  It can
> even be simplified further (see below).
>
> Sadly, this can't be generalized to programming languages, in the
> sense that you can't use foo-indent-calculate to set a wrap-prefix
> property since the wrap-prefix to use depends on the place where the
> line is wrapped.

But usually, there are no overly long lines in source code.

>> I'd appreciate if that feature would ship with Emacs.
>
> It's too late for 24.1, but I've added it (under name "awp-mode.el"
> which provides adaptive-wrap-prefix-mode) to ELPA.

Awesome, thank you.

Bye,
Tassilo
-- 
(What the world needs (I think) is not
      (a Lisp (with fewer parentheses))
      but (an English (with more.)))
Brian Hayes, http://tinyurl.com/3y9l2kf