I don't see clearly the rationale of that proposed change.
IIUC having distinct /kde and /xfce series makes easier for people so inclined to exclude from their installation a bunch of packages they do not plan to use whilst not missing them as dependencies.
Granted there can exist users wanting to use KDE per se but no KDE apps. I imagine they are not many and in that case they could use tagfiles instead. I don't see /xfce as a precedent anyway as this series contains the DE itself as well as apps, as does the /kde series.
Last edited by Didier Spaier; 10-03-2012 at 02:57 PM.