[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Changing value for fill-column
From: |
Eli Zaretskii |
Subject: |
Re: Changing value for fill-column |
Date: |
Mon, 29 Aug 2022 14:32:00 +0300 |
> Date: Mon, 29 Aug 2022 10:39:50 +0200 (CEST)
> From: wilnerthomas@tutanota.com
> Cc: help-gnu-emacs@gnu.org
>
> Aug 28, 2022, 15:32 by eliz@gnu.org:
>
> >> How do these local values get set when users do not perform setq-default
> >> in their init file?
> >> Some modes set them up if there is no mode-hook for it already?
> >>
> >
> > Modes don't set these variables; users do.
> >
> > setq-default sets the default value, and that default value will be in
> > effect in every new buffer, unless someone -- you -- changes the value
> > in that buffer. Since you want the same different value in all
> > buffers, you will probably not set the value in individual buffers,
> > and thus the default which you changed with setq-default will stay in
> > effect.
> >
> And once a user uses setq-default for a variable that variable cannot be
> changed again.
Of course, they can: by another setq-default or by setq (the latter
possibly locally for the buffer that is the current one when the
command is invoked).
> If users do not change fill-column, how does ruler-mode set the value?
It doesn't. It _uses_ the value set for the buffer.
> For the hook you mentioned, I have done as follows
>
> (defun column-property () (setq fill-column 72))
>
> (add-hook 'prog-mode-hook #'column-property)
OK. Is there any problem with this?
- Changing value for fill-column, wilnerthomas, 2022/08/28
- Re: Changing value for fill-column, Eli Zaretskii, 2022/08/28
- Re: Changing value for fill-column, wilnerthomas, 2022/08/28
- Re: Changing value for fill-column, Eli Zaretskii, 2022/08/28
- Re: Changing value for fill-column, wilnerthomas, 2022/08/28
- Re: Changing value for fill-column, Eli Zaretskii, 2022/08/28
- Re: Changing value for fill-column, wilnerthomas, 2022/08/28
- Re: Changing value for fill-column, Eli Zaretskii, 2022/08/28
- Re: Changing value for fill-column, wilnerthomas, 2022/08/29
- Re: Changing value for fill-column,
Eli Zaretskii <=