Hello,
the question "dialect or language" has been discussed on MetaWiki, you can find all arguments there.
http://de.wikipedia.org/wiki/Ripuarian http://de.wikipedia.org/wiki/Rheinl%C3%A4ndisch
don't even exist yet.
Best wishes,
Tels
http://de.wikipedia.org/wiki/Ripuarian
does not exist because in German it is
http://de.wikipedia.org/wiki/Ripuarisch
and in English
http://en.wikipedia.org/wiki/Ripuarian
Best Dominik