I used to have a rss comment feed at the url /comments/feed which doesn't work anymore.
I checked the feed on feedvalidator and I've an error
line 111, column 29: Undefined named entity: ndash [help]
The line in question is comment where the content is
<guid isPermaLink="false">http://mart-e.be/?p=1694#comment-9711</guid> <description>Ou mettre des – à la place des - Mais oui la solution de rcommande fonctionne bien :)</description>
In the context, it is normal that there was an
– there (explaining to write
Any idea how to fix this feed error ?