def handlebars(*args, &block)
      filter(Rake::Pipeline::Web::Filters::HandlebarsFilter, *args, &block)
    end
def handlebars(*args, &block)
      filter(Rake::Pipeline::Web::Filters::HandlebarsFilter, *args, &block)
    end
Add a new {HandlebarsFilter} to the pipeline.
 @see HandlebarsFilter#initialize