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RE: visually mark off 80th column?

From: Drew Adams
Subject: RE: visually mark off 80th column?
Date: Fri, 22 Jan 2010 16:15:23 -0800

> vline would be ideal... but I don't see a way to pin highlighting to
> the 80th column.

You'd have to write a bit of Elisp code, no doubt. I don't have time to look
into it for you, but maybe someone else is interested.

> I've come up with this using the highlight-80+ package.
> (require 'highlight-80+)
> (dolist (hook '(emacs-lisp-mode-hook ... python-mode-hook))
>   (add-hook hook
>           '(lambda () (highlight-80+-mode))))

I'm not familiar with highlight-80+. But you can do the same thing with

> I really want this to apply to *all* modes, not
> just the ones I thought to list here. Is there any global mode hook
> that applies to everything?

Dunno. It might depend on your Emacs version.
Perhaps someone else has a good answer. 
Maybe `after-change-major-mode-hook'.

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