404. That’s an error.

The requested URL /translate_c?hl=id&prev=/search%3Fq%3Dcomputer%2Bscience%26hl%3Did%26client%3Dfirefox-a%26hs%3Dadi%26rls%3Dorg.mozilla:en-US:official%26prmd%3Dimvnsbl&rurl=translate.google.com&sl=en&u=http://en.wikipedia.org/wiki/Programming_language_theory&usg=ALkJrhgP07S09OYq4LeC2jz0t_f-fa3XQg was not found on this server. That’s all we know.