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From: Du Yanning <duyanning@gmail.com>
To: David Maus <dmaus@ictsoc.de>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: bug with org-mode-hook and text-scale-set
Date: Wed, 14 Mar 2012 15:46:11 +0800	[thread overview]
Message-ID: <CALr_ej2Ae8_rToEEnxcyVt=aPbR9R_F-Lsi4aMOufA9+dne8BQ@mail.gmail.com> (raw)
In-Reply-To: <87r4wveo3u.wl%dmaus@ictsoc.de>

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text-mode-hook and c-mode-hook do NOT have this bug.
and the org-mode-hook of orgmode shipped within emacs 23.3 does NOT have
this bug.


On Wed, Mar 14, 2012 at 1:41 PM, David Maus <dmaus@ictsoc.de> wrote:

> Hi,
>
> At Tue, 13 Mar 2012 14:49:41 +0800,
> Du Yanning wrote:
> > org-mode 7.8.03
> > emacs 23.3, 23.4, 24.0.94
> >
> > steps to recreate:
> >
> > emacs -q
> >
> > copy the following code and paste it into the *scratch* buffer:
> > (add-to-list 'auto-mode-alist '("\\.txt\\'" . org-mode))
> > (add-hook 'org-mode-hook '(lambda () (text-scale-set 4)))
> >
> > M-x eval-buffer
> >
> > then C-x C-f to open a .txt file, and then C-x C-f to open another .txt
> file.
> > Every time a .txt is opened, the font size become larger and larger.
> > However, the indicator in the mode line remains +4.
>
> I can confirm this behaviour but I don't think this is an error. The
> description of `text-scale-set' reads:
>
> C-h f text-scale-set RET
>
> ,----
> | text-scale-set is an interactive autoloaded Lisp function in
> | `face-remap.el'.
> |
> | (text-scale-set LEVEL)
> |
> | Set the scale factor of the default face in the current buffer to LEVEL.
> | If LEVEL is non-zero, `text-scale-mode' is enabled, otherwise it is
> disabled.
> |
> | LEVEL is a number of steps, with 0 representing the default size.
> | Each step scales the height of the default face by the variable
> |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> | `text-scale-mode-step' (a negative number decreases the height by
> | the same amount).
> `----
>
> The first time `org-mode-hook' is run the height of default font is
> scaled by 4 levels, i.e. the height of default font is set to a new
> value. The second time `org-mode-hook' is run the height is scaled
> again, this time based on the new value. And so on.
>
> If you want to set the face height you might use:
>
> (set-face-attribute 'default nil :height 100)
>
> Here `100' means 100% of the font size in pt (afaik).
>
> Best,
>  -- David
> --
> OpenPGP... 0x99ADB83B5A4478E6
> Jabber.... dmjena@jabber.org
> Email..... dmaus@ictsoc.de

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  reply	other threads:[~2012-03-14  7:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-13  6:49 Du Yanning
2012-03-14  5:41 ` David Maus
2012-03-14  7:46   ` Du Yanning [this message]
2012-03-29 10:45     ` Bastien
2012-04-12 15:06       ` Matt Lundin
2012-04-12 18:28         ` Matt Lundin
2012-04-13  5:09           ` Bastien
2012-04-20 13:00           ` Bastien
2012-04-22  0:46             ` Matt Lundin
2012-04-13  5:09         ` Bastien

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