404. That’s an error.

The requested URL /custom?q=Vim-rspec.rb&safe=active&client=pub-3005259998294962&cof=FORID:13%3BAH:left%3BS:http://www.vim.org%3BCX:Vim%2520Search%3BL:http://www.vim.org/images/vim_header.gif%3BLH:45%3BLC:%230000ff%3BVLC:%23663399%3BDIV:%23336699%3B&cx=partner-pub-3005259998294962:bvyni59kjr1&adkw=AELymgX84D9E1H-MW_qPrEgsm1tvbJD3zz8M8Fcrb_IhdslpAo7STsNX6hXKqc-a5HHI-u04ohKFitQbaESRrZNsBpqsjP55xe7VLw6hCRhURWw5i3iYP9ojW3-tbg29k2dgAUOmqPbkl2rd1VPZC8OAKESgnO9BCxlyx3ZtjISN3LW70VggQGk&hl=en&channel=7394275211&boostcse=0&ie=UTF-8&oe=ISO-8859-1&prmd=ivns&filter=0 was not found on this server. That’s all we know.