# File lib/shotgun/loader.rb, line 73
    def format_error(error, backtrace)
      "<h1>Boot Error</h1>" +
      "<p>Something went wrong while loading <tt>#{escape_html(rackup_file)}</tt></p>" +
      "<h3>#{escape_html(error)}</h3>" +
      "<pre>#{escape_html(backtrace.join("\n"))}</pre>"
    end