module Spec::Extensions::Main

def share_examples_for(name, &block)

end
end
...
it "should do small edition stuff" do

it_should_behave_like "All Editions"
describe SmallEdition do

end
it "all editions behaviour" ...
share_examples_for "All Editions" do

== Examples

Creates an example group that can be shared by other example groups
def share_examples_for(name, &block)
  describe(name, :shared => true, &block)
end