GNU bug report logs - #27745
Warn: you have already yanked the same thing 2 (3, 4...) times in a row

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: bug-gnu-emacs <at> gnu.org
Subject: Warn: you have already yanked the same thing 2 (3,
 4...) times in a row
Date: Tue, 18 Jul 2017 07:49:54 +0800

Unless the user pays attention to the L number in the modeline, and the
shrinking scrollbar, there is no other clues that the user's C-y isn't
stuck or slow, and he is actually probably mistakenly yanking twice...
repeating paragraphs, or even doubling the size of a file.

$ seq 99 > a
$ emacs a
 C-x h [mark-whole-buffer]
 C-w [kill-region]
 C-y [yank]
 C-y [yank]
 C-y [yank]
 C-y [yank]
 C-y [yank]
 C-y [yank]
 C-y [yank]

So maybe print:
  Warning: you have already yanked the same thing 2 (3,4...) times in a row.
if he yanks the exact same thing more than once.

(This problem is similar to
http://debbugs.gnu.org/25433
but that is harder to reproduce, so I'll close it.)

Message #8 received at 27745 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 27745 <at> debbugs.gnu.org
Subject: Re: bug#27745: Warn: you have already yanked the same thing 2 (3,
 4...) times in a row
Date: Sun, 21 Jul 2019 16:49:16 +0200

積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:

> $ seq 99 > a
> $ emacs a
>  C-x h [mark-whole-buffer]
>  C-w [kill-region]
>  C-y [yank]
>  C-y [yank]
>  C-y [yank]
>  C-y [yank]
>  C-y [yank]
>  C-y [yank]
>  C-y [yank]
>
> So maybe print:
>   Warning: you have already yanked the same thing 2 (3,4...) times in a row.
> if he yanks the exact same thing more than once.

Yanking the same thing several times is a perfectly normal thing to do,
so I think it would be a disservice for Emacs to warn about this.  Closing.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #15 received at 27745 <at> debbugs.gnu.org (full text, mbox):

From: "Basil L. Contovounesios" <contovob <at> tcd.ie>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 27745 <at> debbugs.gnu.org,
 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Subject: Re: bug#27745: Warn: you have already yanked the same thing 2 (3,
 4...) times in a row
Date: Mon, 22 Jul 2019 01:49:39 +0100

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> 積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:
>
>> $ seq 99 > a
>> $ emacs a
>>  C-x h [mark-whole-buffer]
>>  C-w [kill-region]
>>  C-y [yank]
>>  C-y [yank]
>>  C-y [yank]
>>  C-y [yank]
>>  C-y [yank]
>>  C-y [yank]
>>  C-y [yank]
>>
>> So maybe print:
>>   Warning: you have already yanked the same thing 2 (3,4...) times in a row.
>> if he yanks the exact same thing more than once.
>
> Yanking the same thing several times is a perfectly normal thing to do,
> so I think it would be a disservice for Emacs to warn about this.

I agree.  See also the user option kill-do-not-save-duplicates.

-- 
Basil

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