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bug#6637: 24.0.50; kill ring being seriously polluted

From: David De La Harpe Golden
Subject: bug#6637: 24.0.50; kill ring being seriously polluted
Date: Fri, 23 Jul 2010 00:26:07 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100620 Icedove/3.0.5

On 19/07/10 09:22, Tim Van Holder wrote:

I set out to do just that (intending to duplicate the *scratch*
comment, replacing "Lisp" by a few other language names), but the
current (r100846) behaviour seems to match with my expected/desired
behaviour again.

Ah, good. :-). Though we probably need to keep an eye open for Cygwin/X specific interaction problems.

The only thing I see is that emacs is perfectly happy to copy/kill the
empty string: arrow-selecting an empty region and hitting C-insert
(copy-region-as-kill in pc-selection-mode) make subsequent yanks
insert nothing.It's perfectly possible that emacs has always done so
> - I'm only mentioning it because I notice it now.

Yes, just checked - Both Emacs 22 and 23 merrily do that (to the clipboard if set to use the clipboard in the first place). However it may have been less noticeable than it has become since the recent changes, said recent changes including using the clipboard in more situations than before on some platforms.

It is likely possible to do something about it in future, it's a similar problem to some other zero-length-region problems that are known to be addressable.

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