sinatra/sinatra-contrib — pull request #112 by allaire (2013-11-06 04:14:47+00:00)
Title: Add utf-8 magic comment

This should fix https://github.com/sinatra/sinatra-contrib/issues/109

simple_form do the same: https://github.com/plataformatec/simple_form/blob/master/simple_form.gemspec