[Typo3] News/RSS feeds doesn't display newstype link and article

[Kruijt, Alwin]

Hello all again

I notice some weird behaviour in the RSS/XML newsfeeds.
I look at the feeds in three ways:
1) via a Firefox Live Bookmark
2) via Feedreader
3) via a RSS linked website

Now when I look at my newsitems I get 2 different lists of newsitems!
In Feedreader all newsitems are present, however in FF and the website
some items are missing. 
I noticed this happens with newsitems of the type Link External URL
(linking to the same website, but to an event page).

For example one of the newsitems that doesn't get fed is to a newsitem
of type link called 'External Advisory Board evaluate SEAFOODplus',
linking to page
'http://www.seafoodplus.org/Events.193.0.html?&no_cache=1&tx_julleevents
_pi1[showUid]=1&tx_julleevents_pi1[sub]=355'. I got this link from the
browser adress bar when viewing this eventpage.

In Feedreader these items don't have a link to the full article.

Is there a way to add these links to the RSS feeds? Or am I doing
something wrong in the link (caching?).

Regards, Alwin