# File lib/rspec/core/formatters/text_mate_formatter.rb, line 24
        def extra_failure_content(exception)
          require 'rspec/core/formatters/snippet_extractor'
          backtrace = exception.backtrace.map {|line| backtrace_line(line, :skip_textmate_conversion)}
          backtrace.compact!
          @snippet_extractor ||= SnippetExtractor.new
          "    <pre class=\"ruby\"><code>#{@snippet_extractor.snippet(backtrace)}</code></pre>"
        end