[Pharo-users] shout styler and rubric segment morph

Hello, I want to style smalltalk code inside a rubric text model (such as the one being used Nautilus in Pharo 5) but I want to extend this styling with underlines and highlighting. I notice that rubric added this kind of styling to the text morph and not to the text itself so I think it's not straightforward to modify the styling if I do not have access to the morph or the model from the shout instance (correct me if I'm wrong). Is there a way to extend the classic shout styling to support this kind of styling? maybe extending the RubShoutStylerDecorator? Bests, Miguel