PR#6608: remove extended_expression field if all fields are explicitly given
PR#6608: remove extended_expression field if all fields are explicitly given

gerdstolpmann/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,msprotz/ocaml,yunxing/ocaml,msprotz/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,yunxing/ocaml