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bug#40896: 27.0.91; Moving point fails sometimes in shell-command
From: |
Michael Albinus |
Subject: |
bug#40896: 27.0.91; Moving point fails sometimes in shell-command |
Date: |
Sat, 02 May 2020 15:12:17 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
Hi Eli,
>> In order to understand the situation better, I have enhanced my test
>> code to cover all different values of shell-command-dont-erase-buffer,
>> and whether the OUTPUT-BUFFER argument of shell-command is the current
>> buffer, or not. Here's the code:
>
> AFAIU, the use case of OUTPUT-BUFFER being different from the current
> buffer is meant for the case where subsequent commands accumulate the
> output in that buffer, which is why the output is appended in that
> case.
>
> Does what you see make more sense now?
Almost. But it is not documented. Maybe we shall apply the appended
patch. And if shell-command-dont-erase-buffer is end-last-out with
output buffer not being the current one, the behavior is simply
wrong, see my previous analysis. At least *this* case must be fixed.
Best regards, Michael.
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