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Re: "CHANGED outside Customize" in frames customization group
From: |
Richard Stallman |
Subject: |
Re: "CHANGED outside Customize" in frames customization group |
Date: |
Sun, 30 Dec 2007 17:58:44 -0500 |
`frame-notice-user-settings' may set the value of `default-frame-alist'
overriding a saved or standard value. The value of `blink-cursor-mode'
is not reset by Emacs.
Ok, but why does that matter for this issue?
> Delete them in the customization buffer, save your settings, restart
> Emacs, and here they are again.
>
> That is arguably a bug, and maybe we should fix it.
> However, I do not see that this bug is so grave
> that we should conclude that `default-frame-alist' is
> unsuitable for use with Custom.
The bug causes the "CHANGED outside Customize ..." state.
Here's an idea. We can create a new variable
`command-args-frame-alist', and make the functions which obey
`default-frame-alist' use `command-args-frame-alist' too.
Settings such as `menu-bar-lines', which are set by arguments and X
resources can go in `command-args-frame-alist', and would not affect
`default-frame-alist'. One consequence would be that the values
specified by command line options and X resources would override your
customizations. That seems correct.
Customizing `fringe-mode' calls `modify-all-frames-parameters' which
sets `default-frame-alist'. I'm now told that `default-frame-alist' was
CHANGED outside Customize although all I actually did was _customizing_
some option.
The solution to that is just to inform Custom about the change, so it
will realize that the change to `default-frame-alist' was made within
Custom.
It's just a bug, it just needs to be fixed.
> If the problem is in some detail of the behavior of Custom when it is
> used on `default-frame-alist', maybe we can fix that detail.
> For instance, maybe those other commands should do somethingto inform
> Custom of the changes, so that it looks like `default-frame-alist'
> was set using Custom.
Suppose I set and save a new value for `fringe-mode'. Should Emacs
automatically set and save the new value for `default-frame-alist'?
Maybe it should, but that would require a new Custom feature:
dependencies, "If you save `foo', always save `bar' too".