Re: when nothing happens, buffer still marked as modified

[Eli Zaretskii]

> From: Amin Bandali <bandali@gnu.org>
> Cc: help-gnu-emacs@gnu.org
> Date: Wed, 05 Dec 2018 08:39:49 -0500
> 
> On 2018-12-05 12:58 PM, Eli Zaretskii wrote:
> > 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.
> 
> I’d noticed that in the past and found it strange.  Are there any
> strong reasons for keeping the current behaviour vs. only marking
> the buffer as modified when re-filling actually results in a
> change?

The only strong reason is that it's not trivial to implement, and no
one has yet proposed a satisfactory patch to do that.