seamless bridging broken

gistfile1.rb

    @editor = %x|
      editor = CodeMirror.fromTextArea(document.getElementById("multi_line_input"),
              {mode: "ruby",
                  lineNumbers: true,
                  matchBrackets: true,
                  extraKeys: {
                        "Ctrl-Enter": function(cm) { $(".ui-dialog-buttonset").find("button:eq(0)").trigger("click"); } // submit on ctrl-enter
                  },
                  keyMap: "emacs",
                  theme: "default"
              });