GNU bug report logs - #13949
24.3.50; `fill-paragraph' should not always put the buffer as modified

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Message #218 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Óscar Fuentes <ofv <at> wanadoo.es>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#13949: 24.4.1;
 `fill-paragraph' should not always put the buffer as modified
Date: Sun, 27 Mar 2016 18:05:36 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> AFAIK, a file-visiting buffer is not marked as modified when text
>> properties are applied to it. This makes sense, because text properties
>> are not part of the contents of the corresponding file.
>
> It is, and they are.  Here, try this:
>
>  emacs -Q
>  C-x C-f README RET
>  M-: (put-text-property 1 10 'myprop 'foo) RET
>
> Then look at the buffer-modified indication.

Sorry, but AFAIK if some feature does this without a
with-silent-modifications wrapping it, a bug report would is in order,
right?

Again, the question nobody dares to answer: is there a legit case where
the user benefits from marking the buffer as modified after applying or
changing text properties?

From the lack of response so far, I guess that the answer is "no".

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