module ActionView::Helpers::CaptureHelper

def capture_with_haml(*args, &block)
  # Rails' #capture helper will just return the value of the block
  # if it's not actually in the template context,
  # as detected by the existance of an _erbout variable.
  # We've got to do the same thing for compatibility.
  if is_haml? && block_is_haml?(block)
    capture_haml(*args, &block)
  else
    capture_without_haml(*args, &block)
  end
end