bug#34969: 26.2; `emacs -Q` unable to copy \200's eight-bit detail buffer

[Van L]

> Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Van L <van@scratch.space>
>> Date: Sun, 24 Mar 2019 14:39:56 +1100
>> 
>> : 6
>> : [has problem the third time]
>> : [on XQuartz]
>> : [~/bin/emacs26.2r1 links to \200nfs\200/build/emacs26.2-rc1/bin/emacs-26.2]
>> : GNU Emacs 26.2 (build 1, x86_64-apple-darwin15.6.0, X toolkit)
>> : of 2019-03-21
>> 
>> : 7 `emacs -Q`
>> : [this is the first time for `emacs -Q]
>> : [has problem the forth time run for thise version]
>> : [on XQuartz]
>> : [~/bin/emacs26.2r1 links to \200nfs\200/build/emacs26.2-rc1/bin/emacs-26.2]
>> : GNU Emacs 26.2 (build 1, x86_64-apple-darwin15.6.0, X toolkit)
>> : of 2019-03-21
> 
> Does "the forth time" mean do all the steps 4 times before the problem
> happens?  Or does it mean repeat only some of the steps 4 times?

4th time means the forth time starting from the initial condition before Emacs 
is started for the same Emacs version to run in isolation without other 
instances running.

> IOW, can you please show the transcript of repeated steps in these
> situations?

That is under the section `-- A` in the bug-report. 
I had hoped the trace was caught in the bug-report.

> What happens if you set interprogram-cut-function and
> interprogram-paste-function to nil?

Will do the next time I get a chance.

> (And why do your symlink targets include \200 characters?)

I used `C-x 8 RET horizontal ellipsis` the email program was unable to process.
The \200 was what the email program used as substitute.