404. That’s an error.

The requested URL /custom?q=%22Category%20Search%20And%20Replace%22&spell=1&ie=UTF-8&cx=004774160799092323420:6-ff2s0o6yi&adkw=AELymgXkyb4327NMTypJ2m2GSxcS_5TD2ooNIU9eRyYFwMA6EiKqE0_ta7mCCOlrR4NU7ClE6YyoybAib0lr751MG7Omd-QNzRtNbFQeLeDsVUnKSuZdRFg&cof=AH%3Aleft%3BCX%3AEmacs%2520Wiki%2520Search%3BDIV%3A%23cccccc%3BFORID%3A13%3BL%3Ahttp%3A%2F%2Fwww.emacswiki.org%2Femacs_rss.png%3BLH%3A43%3BLP%3A1%3BS%3Ahttp%3A%2F%2Fwww.emacswiki.org%2F%3BVLC%3A%23551a8b%3B&hl=en&oe=UTF-8&client=google-coop-np&boostcse=0 was not found on this server. That’s all we know.