# File lib/rspec/core/formatters/snippet_extractor.rb, line 15
        def snippet(backtrace)
          raw_code, line = snippet_for(backtrace[0])
          highlighted = @@converter.convert(raw_code, false)
          highlighted << "\n<span class=\"comment\"># gem install syntax to get syntax highlighting</span>" if @@converter.is_a?(NullConverter)
          post_process(highlighted, line)
        end