index.haml

-# This renders perfectly.
= bubbl

-# This doesnt render... why?
= bubble

my_helper.rb

module MyHelper
  
  # This renders.
  def bubbl
    %(<div class="bubbl">Hi</div>).html_safe
  end
  
  # This does not render.
  def bubble
    %(<div class="bubble">Hi</div>).html_safe
  end
  
end