I've been working through the process of adding a new template as per
the guide.
In config/initializers/refinery/pages.rb:
# config.layout_template_whitelist = [:application, :childcontent]
# config.use_layout_templates = true
For the whiltelist array, I've tried using symbols (shown above and in the guide) and using quoted names (as per the pages.rb default).
In views/layouts I've created a new file named childcontent.html.erb which contains:
However, In the back end, there's no option to select the layout template.
Here's a screen shot: