Fixed, thanks!





















At 2021-04-23 11:10:42, "Stefan Monnier" <monnier@iro.umontreal.ca> wrote:
>> +(defun pyim-flatten-list (my-list)
>> +  (cond
>> +   ((null my-list) nil)
>> +   ((atom my-list) (list my-list))
>> +   (t (append (pyim-flatten-list (car my-list))
>> +              (pyim-flatten-list (cdr my-list))))))
>
>I believe this is called `flatten-tree` in Emacs-27.
>
>
>        Stefan