class RSpec::Core::Formatters::HtmlFormatter

def example_group_started(example_group)
  super(example_group)
  @example_group_red = false
  @example_group_number += 1
  unless example_group_number == 1
    @printer.print_example_group_end
  end
  @printer.print_example_group_start( example_group_number, example_group.description, example_group.parent_groups.size )
  @printer.flush
end