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bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as
From: |
Eli Zaretskii |
Subject: |
bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified |
Date: |
Thu, 14 Mar 2013 19:53:41 +0200 |
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz@gnu.org>, 13949@debbugs.gnu.org
> Date: Thu, 14 Mar 2013 09:38:08 -0400
>
> > Well, since the `fill-paragraph' command at step #4 leaved the buffer
> > with the same contents, flagging the buffer as modified was
> > unnecessary in this case.
>
> AFAIK there are two ways to go about it:
> - compare the sha1 of the paragraph before and after filling and reset
> buffer-modified-p if it shows the text hasn't changed.
This has the disadvantage of scanning the entire buffer, which might
increase paging and memory pressure in general.
> - change fill.el so that filling paragraph doesn't just "unfill whole
> paragraph + fill whole paragraph" but instead goes line by line, and
> only modifies the text where there's a need to.
But it sounds like Dani wants this behavior not only for
fill-paragraph, but for any command that can potentially modify the
buffer, but actually doesn't. This would require to compute sha1
before and after every command that might change the buffer.
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Dani Moncayo, 2013/03/13
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Eli Zaretskii, 2013/03/13
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Dani Moncayo, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Stefan Monnier, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified,
Eli Zaretskii <=
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Andreas Röhler, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Eli Zaretskii, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Andreas Röhler, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Eli Zaretskii, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Andreas Röhler, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Stefan Monnier, 2013/03/15
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Dani Moncayo, 2013/03/15
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Eli Zaretskii, 2013/03/14
- bug#13949: 24.3.50; `fill-paragraph' should not always put the buffer as modified, Dani Moncayo, 2013/03/14