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at chapter 29 section 05 the-views#Default-page-layout in the unordere list:
"It displays both response.title and response.subtitle which can be set in a model. If they are not set, it adopts the application name as title"
Model should be controller.
Tested with 2.5.1-stable+timestamp.2013.06.06.15.39.19
I see "response.title = request.application.replace('_',' ').title()" in the menu.py in the models, so the documentation is right. But if the db.py file is modified this change is overwritten by the menu.py
Maybe a little clarification is welcome in the docs, or a reference to somewhere where the load order of models is explained.