we are using EMF to model our application and Acceleo to generate part of it.
In the model we have a stereotype "ihm" which has a property "pageExtension" with a default value of "AbsractPage".
Now we have a new stereotype "popup" which extends "ihm". We want to override the default value of "pageExtension" to "PopupPage". We tried to use "redifinedProperty" and several other tricks but nothing work.