Fix issue #610

src/html/generator.mli

@@ -6,6 +6,12 @@ val render :
 
 val filepath : config:Config.t -> Odoc_document.Url.Path.t -> Fpath.t
 
+val items :
+  config:Config.t ->
+  resolve:Link.resolve ->
+  Odoc_document.Types.Item.t list ->
+  Html_types.flow5_without_header_footer Tyxml.Html.elt list
+
 val doc :
   config:Config.t ->
   xref_base_uri:string ->

src/odoc/html_fragment.ml

@@ -34,12 +34,19 @@ let from_mld ~xref_base_uri ~resolver ~output ~warnings_options input =
     Odoc_xref2.Link.resolve_page ~filename:input_s env page
     |> Odoc_model.Error.handle_warnings ~warnings_options
     >>= fun resolved ->
-    let page = Odoc_document.Comment.to_ir resolved.content.elements in
+    let page =
+      match Odoc_document.Renderer.document_of_page ~syntax:OCaml resolved with
+      | Page p -> p
+      | Source_page _ -> assert false
+    in
     let config =
       Odoc_html.Config.v ~semantic_uris:false ~indent:false ~flat:false
         ~open_details:false ~as_json:false ~remap:[] ()
     in
-    let html = Odoc_html.Generator.doc ~config ~xref_base_uri page in
+    let html =
+      Odoc_html.Generator.items ~config ~resolve:(Base xref_base_uri)
+        (page.Odoc_document.Types.Page.preamble @ page.items)
+    in
     let oc = open_out (Fs.File.to_string output) in
     let fmt = Format.formatter_of_out_channel oc in