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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: when nothing happens, buffer still marked as modified
Date: Wed, 05 Dec 2018 12:58:56 +0200	[thread overview]
Message-ID: <83lg548cjz.fsf@gnu.org> (raw)
In-Reply-To: <861s6wxp2j.fsf@zoho.eu> (message from Emanuel Berg on Wed, 05 Dec 2018 11:09:24 +0100)

> From: Emanuel Berg <moasenwood@zoho.eu>
> Date: Wed, 05 Dec 2018 11:09:24 +0100
> 
> Eli Zaretskii wrote:
> 
> >> But how do I determine if the buffer has
> >> changed or not? If it has, of course it
> >> should be marked `**'!
> >
> > That's the same problem that M-q has, and it
> > leaves the modified status intact. Why not do
> > as it does?
> 
> I'm not following, "Why not do as it does"?

I mean why not follow M-q's example?  It marks the buffer modified
even if re-filling the text arrived at the same text as before the
command.

> > You could, of course, save a copy of the
> > buffer before the changes, and then compare,
> > but why bother?
> 
> Don't you think it is confusing, even
> incorrect, to have the buffer change status
> when the data hasn't changed from the command?

The data did change, it just eventually arrived at the same contents.
Sheer luck.



  reply	other threads:[~2018-12-05 10:58 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-05  2:48 when nothing happens, buffer still marked as modified Emanuel Berg
2018-12-05  6:55 ` Eli Zaretskii
     [not found] ` <mailman.5189.1543993692.1284.help-gnu-emacs@gnu.org>
2018-12-05  7:23   ` Emanuel Berg
2018-12-05  8:22     ` Eli Zaretskii
     [not found]     ` <mailman.5196.1543998171.1284.help-gnu-emacs@gnu.org>
2018-12-05 10:09       ` Emanuel Berg
2018-12-05 10:58         ` Eli Zaretskii [this message]
2018-12-05 13:39           ` Amin Bandali
2018-12-05 13:57             ` Eli Zaretskii
2018-12-05 15:00           ` Joost Kremers
2018-12-05 17:54             ` Eli Zaretskii
2018-12-05 18:35             ` Michael Heerdegen
     [not found]             ` <mailman.5239.1544035085.1284.help-gnu-emacs@gnu.org>
2018-12-06  0:49               ` Emanuel Berg
2018-12-05 11:58         ` Michael Heerdegen
     [not found]         ` <mailman.5204.1544007548.1284.help-gnu-emacs@gnu.org>
2018-12-06  0:47           ` Emanuel Berg

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