ocsigen/eliom — pull request #155 by unhammer (2014-11-21 11:25:56+00:00)
Title:  Link from user_type doc to client-sending-data doc

because
http://stackoverflow.com/questions/27060014/how-can-i-pass-a-user-type-from-an-eliom-client-to-a-coservice/27060015