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bug#39149: 27.0.50; describe-buffer-bindings is calling :filter function
From: |
Stefan Kangas |
Subject: |
bug#39149: 27.0.50; describe-buffer-bindings is calling :filter function in wrong buffer |
Date: |
Fri, 30 Oct 2020 16:16:35 +0000 |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> yyoncho <yyoncho@gmail.com> writes:
>
>> To reproduce (eval in scratch buffer)
>> (define-key global-map (kbd "C-c C-l r")
>> `(menu-item "2" switch-to-buffer
>> :filter ,(lambda (cmd)
>> (print (format "Called in %s" (current-buffer)))
>> cmd)))
>> (with-temp-buffer
>> (with-output-to-string
>> (describe-buffer-bindings (get-buffer "*scratch*") [3 12] t)))
>>
>> This outputs:
>>
>> \"Called in *temp*\"
>
> I tried this recipe, but I'm not getting the :filter function called at
> all. Do you have a recipe, starting from "emacs -Q", that reproduces
> this bug?
>
> And your report didn't include the data about the version generated by
> report-emacs-bug, so it's hard to guess whether bug is only on some
> specific system.
I can reproduce the above on Emacs 26.3, but not on master.
Note that there might have been changes here with the merge of
scratch/substitute-command-keys. I tried hard to not introduce any
regressions or even changes in behavior with that branch, but I might
have failed to include the above bug...
What is the result output here? Here, the last form evaluates to this
on master:
"
Global Bindings Starting With C-c C-l:
key binding
--- -------
Function key map translations Starting With C-c C-l:
key binding
--- -------
"
Is this correct? Should it do anything else in addition that it
currently does not?