Re: duplicate items in nnrss groups

[Mark Plaksin <happy@mcplaksin.org>]

David Hansen <david.hansen@gmx.net> writes:

> On Sun, 10 Sep 2006 22:25:04 +0200 Jochen Küpper wrote:
>
>> I use Gnus to read some rss feeds using the configuration shown below.
>>
>> I believe there is nothing special about the config, the only
>> parameter I see related to my problem is nnrss-use-local (= t).
>>
>> With this I get repeatedly the same entries listed as new. This seems
>> to happen every time I press "g" *and* the date/time of the xml-file
>> is newer than at the previous update, or something similar.
>>
>> Has anybody else seen that? Is this a know problem? Is there any cure
>> to it?
>
> It's a known problem.  Do a gmane search.  So far every
> discussion "just ended".  IMHO before fixing this there must
> be some kind of agreement which RSS tags should be used to
> build the message id.
>
> If some RSS "expert" is reading this i would be glad to here
> which tags really indicate some new content and which are just
> more or less useless additions like the <slash:*> tags.
>
> Then it should be straight forward to code a fix.

Perhaps no expert is chiming in because everybody thinks the current plan
is great:  Use the title, description, and pubdate.  As far as I can tell
that addresses the concerns raised in the first place:
http://thread.gmane.org/gmane.emacs.gnus.general/62613/focus=62613