@private
Haml overrides various `ActionView` helpers, which call an {#is_haml?} method to determine whether or not the current context object is a proper Haml context. Because `ActionView` helpers may be included in non-`ActionView::Base` classes, it's a good idea to define {#is_haml?} for all objects.
# File lib/haml/helpers.rb, line 653 def is_haml? false end