[ ] http://ocsigen.org/eliom/dev/manual/server-links: "Forms towards GET services" section --> The modules Error a_api: invalid ocaml id "Eliom_content.Html5.D.Form" and Error a_api: invalid ocaml id "Eliom_content.Html5.F.Form" (same in 5.0 version).
List of syntax error.
Meaning: