Lars Ingebrigtsen <larsi@gnus.org> writes:

> Thierry Volpiatto <thievol@posteo.net> writes:
>
>> Yes, that's work, now do:
>>
>> M-x eshell-command
>> sleep 10 &
>>
>> Debugger entered--Lisp error: (error "Format specifier doesn’t match
>> argument type")
>>   format-message("Unmatched delimiter: %c" #<process sleep>)
>>   apply(format-message ("Unmatched delimiter: %c" #<process sleep>))
>>   error("Unmatched delimiter: %c" #<process sleep>)
>
> Oh, right -- the eshell-command command, not commands in eshell.  :-)
>
> Yes, I'm also getting that error, and your version of the function fixes
> it.  So I've now installed that in Emacs 28.

Great thanks.

-- 
Thierry