old_contents: (function (<bridge>) {
      // unsafeWindow
      with ({ unsafeWindow: window, document: window.document, location: window.location, window: undefined }) {
          // define GM functions
          var GM_log = function (s) {
              return <bridge>.gmLog_(s);
          }
          var GM_getValue = function (k, d) {
              return <bridge>.gmValueForKey_defaultValue_scriptName_namespace_(k, d, "<name>", "<namespace>");
          }
          var GM_setValue = function (k, v) {
              return <bridge>.gmSetValue_forKey_scriptName_namespace_(v, k, "<name>", "<namespace>");
          }
          /* Not implemented yet
          var GM_registerMenuCommand = function (t, c) {
              <bridge>.gmRegisterMenuCommand_callback_(t, c);
          }
          */
          var GM_xmlhttpRequest = function (d) {
              return <bridge>.gmXmlhttpRequest_(d);
          }
  
          <body>;
      }
  });
  
new_contents: (function (<bridge>) {
      // unsafeWindow
      with ({ unsafeWindow: window, document: window.document, location: window.location, window: undefined }) {
          // define GM functions
          var GM_log = function (s) {
              unsafeWindow.console.log('GM_log: ' + s);
              return <bridge>.gmLog_(s);
          };
          var GM_getValue = function (k, d) {
              return <bridge>.gmValueForKey_defaultValue_scriptName_namespace_(k, d, "<name>", "<namespace>");
          };
          var GM_setValue = function (k, v) {
              return <bridge>.gmSetValue_forKey_scriptName_namespace_(v, k, "<name>", "<namespace>");
          };
          /* Not implemented yet
          var GM_registerMenuCommand = function (t, c) {
              <bridge>.gmRegisterMenuCommand_callback_(t, c);
          }
          */
          var GM_xmlhttpRequest = function (d) {
              return <bridge>.gmXmlhttpRequest_(d);
          };
  
          <body>;
      }
  });
  
subject: Add semicolon.