Module type Content.Html.T
module type T = sig..end
Tyxml HTML signature (with Eliom's links/forms extensions) shared by F and D, suitable as a functor parameter. Avoids module type of Content.Html.F, which captures wrapped module paths and triggers an OCaml strengthening bug (see ia-reports/2026-04-ocaml-wrapped-mtof-bug.md).
include Html_sigs.Make(Xml)(Svg.F.Raw').Tinclude Content_sigs.LINKS_AND_FORMS