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.)

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