bug#30285: dired-do-chmod vs. top line of dired

[積丹尼 Dan Jacobson]

>>>>> "TC" == Tino Calancha <tino.calancha@gmail.com> writes:
TC> Do you prefer to inform the user in this case that there is no file
TC> to change the mode?

(All I know is I found it odd I couldn't change . or .. but OK you must
have your reasons. Maybe say "use a prefix argument to really change . "...)