404. That’s an error.

The requested URL /custom?q=%22CategoryFrames%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=AELymgXo851zLbzzTVrgi_Eo3u6qRjQCVmYHBciPLhn1emT8tLLq_c6fPLppliIoWY-R6aEQyM_CJKf5bsQqJDnqKf5w9mqzF4gvoJsokwg738Sfh2tNhnA&hl=en&boostcse=0&ie=UTF-8&oe=UTF-8&prmd=ivns&ei=WF69VoTqM4m0eYP2p9gE&start=30&sa=N was not found on this server. That’s all we know.