Shane Hathaway wrote: > > There's a (much) simpler way: > > class MyClass(Acquisition.Explicit): > your_attribute = Acquisition.Acquired > > # index_html isn't > index_html = None Cool :-) And I suppose the other part of my wishlist: class MyClass(Acquisition.Implicit): # your_attribute will be acquied # index_html won't index_html = None Sorry for wasting the lists' time :-S Chris