GNU bug report logs - #73387
30.0.90; C-x v v in diff-mode doesn't work after C-c C-n

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Sean Whitton <spwhitton <at> spwhitton.name>
Cc: 73387 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, Juri Linkov <juri <at> linkov.net>
Subject: bug#73387: 30.0.90; C-x v v in diff-mode doesn't work after C-c C-n
Date: Mon, 30 Sep 2024 03:27:56 +0300

On 30/09/2024 02:46, Sean Whitton wrote:
> Hello,
> 
> On Fri 27 Sep 2024 at 10:13pm +03, Dmitry Gutov wrote:
> 
>>> What do you think about this:
>>> - add a command which does the kill-all-but-this-hunk (or hunks in
>>>     region if mark active) thing -- it's generally useful.
>>> - make C-x v v on a narrowed buffer, by default, issue a message saying
>>>     "Cannot commit patch when narrowed, consider <binding of new command>"
>>
>> Or it would implement that previous alternative - using the modified buffer
>> string that's limited to the current narrowing.
>>
>> I'm somewhat concerned about supporting both approaches (how different are the
>> code paths going to be?), but if that's needed for usability, perhaps it's
>> okay.
> 
> Hmm, I thought that we thought the modified buffer string approach was
> too messy.  Would you mind outlining your proposal as a whole and how it
> differs from my most recent one?

Actually, how about we start with your suggested steps, sans for the 
last one,  for now. Meaning, just aborting with a message when the 
buffer is narrowed, without the user option.

We would not be removing any existing functionality this way (this 
scenario didn't work before, after all), and we could add it later.

Would that work for your habits/scenarios?

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