    # File lib/compass/sass_extensions/functions/urls.rb, line 22
        def stylesheet_url(path, only_path = Sass::Script::Bool.new(false))
          # Compute the path to the stylesheet, either root relative or stylesheet relative
          # or nil if the http_images_path is not set in the configuration.
          http_stylesheets_path = if relative?
            compute_relative_path(Compass.configuration.css_path)
          elsif Compass.configuration.http_stylesheets_path
            Compass.configuration.http_stylesheets_path
          else
            Compass.configuration.http_root_relative(Compass.configuration.css_dir)
          end

          path = "#{http_stylesheets_path}/#{path.value}"
          if only_path.to_bool
            Sass::Script::String.new(clean_path(path))
          else
            clean_url(path)
          end
        end