404. That’s an error.

The requested URL /custom?q=%22function+cell%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=AELymgXyjBlAr4jwjU2iJEtHUYhtGNK3SfPp9tKTWbEwME3w7q75Rkpy-echYm75kwiFFpPfrgfM9cTYNLK0ffUhPhwC5L-aXhuyO2EYOfh-Vv-kG_uWkAY&hl=en&boostcse=0&ie=UTF-8&oe=UTF-8&prmd=ivns&ei=98dVVrfhO4jQmAHB9pSIDA&start=10&sa=N was not found on this server. That’s all we know.