ietf-nntp OVER response code 420: 2 cases

[Russ Allbery]

Wilbert de Graaf <wilbertdg at hetnet.nl> writes:

> In the draft-ietf-nntpext-base-15.txt the response codes for OVER are
> defined as:

>     224 Overview information follows (multi-line
>         response)
>     412 No newsgroup currently selected
>     420 No article(s) selected
>     500 Command not recognized
>     502 Program error, functions no performed

> The text says that 420 should also be used when the articles/overview in
> the range specified are not available. I wondered if a code like 421
> would be more in line with the ARTICLE/NEXT/... commands. They use the
> xx0 to indicate 'article not selected', and set the last digit to
> something <> 0 to indicate a valid number. The examples use 420 for both
> cases:

> 420 No such article in this group
> 420 No current article selected

> Would it not be more consistent to add 421 or so to indicate that there
> are not articles in the range requested ?

It looks like it should be 423, to match HEAD, ARTICLE, etc.

I agree with this change.  Clive, could you make that change in your
proposed OVER text?  I've just made the similar change to my proposed HDR
text.

-- 
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>