'Inheriting' an attribute from a group.

[ian+openldap@comtek.co.uk]

Is there a recommended, 'production' way to inherit certain attributes 
from a group? Perhaps some kind of overlay?

For example, if a user is in the 'users' group and the users group has 
the attribute userQuota=100 then the user will appear to have userQuota=100.

If, on the other hand, userQuota=200 is set on the user then that would 
override the current value.

Thanks for any suggestions.

Ian