>>  ;;;###autoload
>> -(defun package-install-selected-packages ()
>> +(defun package-install-selected-packages (&optional noconfirm)
>>    "Ensure packages in `package-selected-packages' are installed.
>> -If some packages are not installed propose to install them."
>> +If some packages are not installed, propose to install them.
>> +If optional argument NOCONFIRM is non-nil, don't ask for
>> +confirmation to install packages."
>>    (interactive)
>>    ;; We don't need to populate `package-selected-packages' before
>>    ;; using here, because the outcome is the same either way (nothing
>>    ;; gets installed).
>> +  (package--archives-initialize)
>
> I would put this new line above the comment, as the comment relates to
> this next line:

Hi Stefan, good catch! Thank you for the suggestion. Here is an updated
patch.