404. That’s an error.

The requested URL /custom?q=%22GPL%22&client=google-coop-np&cof=FORID:13%3BAH:left%3BS:http://www.emacswiki.org/%3BCX:Emacs%2520Wiki%2520Search%3BL:http://www.emacswiki.org/emacs_rss.png%3BLH:43%3BLP:1%3BVLC:%23551a8b%3BDIV:%23cccccc%3B&cx=004774160799092323420:6-ff2s0o6yi&adkw=AELymgWxuX3VJW_4UjbIJ9pcLsmsIQLolA0eveImHwbbD36TKwfWi_yjZ0WEo3S-tiVNrpjUP9ybDQ46jY5uDArzM7ni80RsHnfrLwJ3zg_lWsG7zsEOLpM&hl=en&boostcse=0&ie=UTF-8&oe=UTF-8&prmd=ivnsz&ei=0B9_WMrDPKHAjwTcw5zIDQ&start=40&sa=N was not found on this server. That’s all we know.