Russ Allbery <rra@stanford.edu> writes:

> Manuel Carro <mcarro@fi.upm.es> writes:
>
>> I have a related question.  I use Gnus to download mail from IMAP / POP
>> accounts to read them locally.  Newly downloaded, unread mails are
>> marked with a dot in front of them.  But if I quit Gnus, enter again and
>> download more email, the mails which were previously downloaded but
>> which I didn't read yet do not have any mark.
>
>> Any idea on how can I make Gnus show a mark for unread mails, no matter
>> how long ago they were downloaded?
>
> The absence of a mark (other than the unseen "." mark) *is* the mark for
> an unread message.

No.  It's for "unseen" articles --- that you haven't even read
the title.

> Once you read the message, it will be marked with an R.

-- 
Carl Lei (XeCycle)
Department of Physics, Shanghai Jiao Tong University
OpenPGP public key: 7795E591
Fingerprint: 1FB6 7F1F D45D F681 C845 27F7 8D71 8EC4 7795 E591