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bug#29842: 27.0; `dired-change-marks': args should not be optional


From: Stefan Kangas
Subject: bug#29842: 27.0; `dired-change-marks': args should not be optional
Date: Sun, 19 Jan 2020 15:45:50 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Drew Adams <address@hidden> writes:

> 1. There is no use of this function in the Emacs Lisp sources that needs
>    to have the args be optional.
>
> 2. If (dired-change-marks) is evaluated then you get an error:
>
>    Debugger entered--Lisp error: (error "Format specifier doesn't match
>                                          argument type") 
>     format("\n%c" "nil")
>     dired-change-marks()
>     eval((dired-change-marks))
>
> This bug is apparently quite old - it is present in Emacs 20, for
> example.

Fixed on master in commit 3d81d2326a.

Best regards,
Stefan Kangas





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