Html.IdSourceNode identifiers
The type of global HTML element identifier.
The function new_elt_id () creates a new global HTML element identifier (see the Eliom manual for more information on
<<a_manual project="eliom" chapter="clientserver-html"
fragment="global"|global element>>).
The function create_named_elt ~id elt create a copy of the element elt that will be sent to client with the reference id.
The function create_named_elt elt is equivalent to create_named_elt ~id:(new_elt_id ()) elt.
create_request_elt ?reset elt creates a referable copy of elt. If ~reset = true is provided (default: false), a new ID is created even if elt has an ID already.