read more link in rss even if the complete content was made to be shown in the teaser via trailing <!--break-->

Steps:

1. Administer->Content management->RSS publishing
Display of XML feed items: Titles plus teaser

2. Create content, which is longer than the teaser length.

3. Make it fit into the teaser by placing <!--break--> at the end.

4. Publish+promote to front page

What happens:

If you now go over to /node, you won't see a reed more link (as expected). However, the read more link shows up in RSS (despite the fact that the whole content is shown).

Expected behavior:

The read more link should only show up in RSS if it makes any sense (as seen on /node).