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bug#30529: 26.0.91; minibuffer errors change standard-output

From: Lars Ingebrigtsen
Subject: bug#30529: 26.0.91; minibuffer errors change standard-output
Date: Mon, 30 Nov 2020 10:41:39 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

"Basil L. Contovounesios" <contovob@tcd.ie> writes:

>> This problem is still present in Emacs 28.  I tried following the code
>> logic for a couple of minutes to see just what it is that's (re)setting
>> `standard-output' here, but was unable to locate the location.
>> Anybody know?
> Just from a quick grep, could it be recursive_edit_1?
> Does error handling invoke a recursive edit e.g. for entering the
> debugger?

I tried adding some instrumentation to recursive_edit_1, and it does not
seem to be called when the error is messaged (and then the output goes
to the wrong place).

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

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