]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/ocaml/cic_transformations/content2pres.ml
ocaml 3.09 transition
[helm.git] / helm / ocaml / cic_transformations / content2pres.ml
index 575bb687af1eea1966a5aa59138b26afacc06e45..ee3e64bd5456d873e0af5f74ca00f2c6213ab5b9 100644 (file)
@@ -1,4 +1,4 @@
-(* Copyright (C) 2000, HELM Team.
+(* Copyright (C) 2003-2005, HELM Team.
  * 
  * This file is part of HELM, an Hypertextual, Electronic
  * Library of Mathematics, developed at the Computer Science
 (*                                                                         *)
 (***************************************************************************)
 
+module P = Mpresentation
+module B = Box
+module Con = Content
+
+let p_mtr a b = Mpresentation.Mtr(a,b)
+let p_mtd a b = Mpresentation.Mtd(a,b)
+let p_mtable a b = Mpresentation.Mtable(a,b)
+let p_mtext a b = Mpresentation.Mtext(a,b)
+let p_mi a b = Mpresentation.Mi(a,b)
+let p_mo a b = Mpresentation.Mo(a,b)
+let p_mrow a b = Mpresentation.Mrow(a,b)
+let p_mphantom a b = Mpresentation.Mphantom(a,b)
+
 let rec split n l =
   if n = 0 then [],l
   else let l1,l2 = 
     split (n-1) (List.tl l) in
     (List.hd l)::l1,l2
-;;
   
+let get_xref = function
+  | `Declaration d  
+  | `Hypothesis d -> d.Con.dec_id
+  | `Proof p -> p.Con.proof_id
+  | `Definition d -> d.Con.def_id
+  | `Joint jo -> jo.Con.joint_id
 
-let is_big_general countterm p =
-  let maxsize = Cexpr2pres.maxsize in
-  let module Con = Content in
-  let rec countp current_size p =
-    if current_size > maxsize then current_size
-    else 
-      let c1 = (countcontext current_size p.Con.proof_context) in
-      if c1 > maxsize then c1
-    else 
-      let c2 = (countapplycontext c1 p.Con.proof_apply_context) in
-      if c2 > maxsize then c2
-    else 
-      countconclude c2 p.Con.proof_conclude
-
-  and 
-    countcontext current_size c =
-      List.fold_left countcontextitem current_size c
-  and
-    countcontextitem current_size e =
-      if current_size > maxsize then maxsize
-      else 
-        (match e with
-          `Declaration d -> 
-            (match d.Con.dec_name with
-               Some s -> current_size + 4 + (String.length s)
-             | None -> prerr_endline "NO NAME!!"; assert false)
-        | `Hypothesis h ->
-            (match h.Con.dec_name with
-                Some s -> current_size + 4 + (String.length s)
-              | None -> prerr_endline "NO NAME!!"; assert false) 
-        | `Proof p -> countp current_size p
-        | `Definition d -> 
-            (match d.Con.def_name with
-                Some s -> 
-                  let c1 = (current_size + 4 + (String.length s)) in
-                  (countterm c1 d.Con.def_term)
-              | None -> 
-                  prerr_endline "NO NAME!!"; assert false) 
-        | `Joint ho -> maxsize + 1) (* we assume is big *)
-  and 
-    countapplycontext current_size ac =
-      List.fold_left countp current_size ac
-  and 
-    countconclude current_size co =
-      if current_size > maxsize then current_size
-      else
-        let c1 = countargs current_size co.Con.conclude_args in
-        if c1 > maxsize then c1 
-      else 
-        (match co.Con.conclude_conclusion with
-           Some concl ->  countterm c1 concl
-        | None -> c1)
-  and 
-    countargs current_size args =
-      List.fold_left countarg current_size args
-  and
-    countarg current_size arg =
-      if current_size > maxsize then current_size
-      else 
-        (match arg with 
-           Con.Aux _ -> current_size
-         | Con.Premise prem -> 
-             (match prem.Con.premise_binder with
-                Some s -> current_size + (String.length s)
-              | None -> current_size + 7) 
-         | Con.Lemma lemma -> 
-             current_size + (String.length lemma.Con.lemma_name)
-         | Con.Term t -> countterm current_size t
-         | Con.ArgProof p -> countp current_size p
-         | Con.ArgMethod s -> (maxsize + 1)) in
-  let size = (countp 0 p) in
-  (size > maxsize)
-;;
-
-let is_big = is_big_general (Cexpr2pres.countterm)
-;;
-
-let get_xref =
-    let module Con = Content in
-      function
-        `Declaration d  
-      | `Hypothesis d -> d.Con.dec_id
-      | `Proof p -> p.Con.proof_id
-      | `Definition d -> d.Con.def_id
-      | `Joint jo -> jo.Con.joint_id
-;;
-
-let make_row ?(attrs=[]) items concl =
-  let module P = Mpresentation in
-    (match concl with 
-       P.Mtable _ -> (* big! *)
-         P.Mtable (attrs@[None,"align","baseline 1"; None,"equalrows","false";
-          None,"columnalign","left"],
-           [P.Mtr([],[P.Mtd ([],P.Mrow([],items))]);
-            P.Mtr ([],[P.Mtd ([],P.indented concl)])])
-     | _ ->  (* small *)
-       P.Mrow(attrs,items@[P.Mspace([None,"width","0.1cm"]);concl]))
-;;
+let hv_attrs =
+  RenderingAttrs.spacing_attributes `BoxML
+  @ RenderingAttrs.indent_attributes `BoxML
+
+let make_row items concl =
+  B.b_hv hv_attrs (items @ [ concl ])
+(*   match concl with 
+      B.V _ -> |+ big! +|
+        B.b_v attrs [B.b_h [] items; B.b_indent concl]
+    | _ ->  |+ small +|
+        B.b_h attrs (items@[B.b_space; concl]) *)
 
 let make_concl ?(attrs=[]) verb concl =
-  let module P = Mpresentation in
-    (match concl with 
-       P.Mtable _ -> (* big! *)
-         P.Mtable (attrs@[None,"align","baseline 1"; None,"equalrows","false";
-          None,"columnalign","left"],
-           [P.Mtr([],[P.Mtd ([],P.Mtext([None,"mathcolor","Red"],verb))]);
-            P.Mtr ([],[P.Mtd ([],P.indented concl)])])
-     | _ ->  (* small *)
-       P.Mrow(attrs,
-        [P.Mtext([None,"mathcolor","Red"],verb); 
-         P.Mspace([None,"width","0.1cm"]);
-         concl]))
-;;
+  B.b_hv (hv_attrs @ attrs) [ B.b_kw verb; concl ]
+(*   match concl with 
+      B.V _ -> |+ big! +|
+        B.b_v attrs [ B.b_kw verb; B.b_indent concl]
+    | _ ->  |+ small +|
+        B.b_h attrs [ B.b_kw verb; B.b_space; concl ] *)
 
 let make_args_for_apply term2pres args =
- let module Con = Content in
- let module P = Mpresentation in
- let rec make_arg_for_apply is_first arg row = 
-   (match arg with 
+ let make_arg_for_apply is_first arg row = 
+  let res =
+   match arg with 
       Con.Aux n -> assert false
     | Con.Premise prem -> 
         let name = 
           (match prem.Con.premise_binder with
              None -> "previous"
            | Some s -> s) in
-        P.smallskip::P.Mi([],name)::row
+        (B.b_object (P.Mi ([], name)))::row
     | Con.Lemma lemma -> 
-         P.smallskip::P.Mi([],lemma.Con.lemma_name)::row 
+        let lemma_attrs = [
+          Some "helm", "xref", lemma.Con.lemma_id;
+          Some "xlink", "href", lemma.Con.lemma_uri ]
+        in
+        (B.b_object (P.Mi(lemma_attrs,lemma.Con.lemma_name)))::row 
     | Con.Term t -> 
         if is_first then
           (term2pres t)::row
-        else P.smallskip::P.Mi([],"_")::row
+        else (B.b_object (P.Mi([],"_")))::row
     | Con.ArgProof _ 
     | Con.ArgMethod _ -> 
-       P.smallskip::P.Mi([],"_")::row) in
- match args with 
-   hd::tl -> 
-     make_arg_for_apply true hd 
-       (List.fold_right (make_arg_for_apply false) tl [])
- | _ -> assert false;;
+       (B.b_object (P.Mi([],"_")))::row
+  in
+   if is_first then res else B.skip::res
+ in
+  match args with 
+    hd::tl -> 
+      make_arg_for_apply true hd 
+        (List.fold_right (make_arg_for_apply false) tl [])
+  | _ -> assert false
+
+let get_name = function
+  | Some s -> s
+  | None -> "_"
+
+let add_xref id = function
+  | B.Text (attrs, t) -> B.Text (((Some "helm", "xref", id) :: attrs), t)
+  | _ -> assert false (* TODO, add_xref is meaningful for all boxes *)
 
 let rec justification term2pres p = 
-  let module Con = Content in
-  let module P = Mpresentation in
   if ((p.Con.proof_conclude.Con.conclude_method = "Exact") or
      ((p.Con.proof_context = []) &
       (p.Con.proof_apply_context = []) &
       (p.Con.proof_conclude.Con.conclude_method = "Apply"))) then
     let pres_args = 
       make_args_for_apply term2pres p.Con.proof_conclude.Con.conclude_args in
-    P.Mrow([],
-      P.Mtext([None,"mathcolor","Red"],"by")::P.Mspace([None,"width","0.1cm"])::
-      P.Mtext([],"(")::pres_args@[P.Mtext([],")")]) 
+    B.H([],
+      (B.b_kw "by")::B.b_space::
+      B.Text([],"(")::pres_args@[B.Text([],")")]) 
   else proof2pres term2pres p 
      
 and proof2pres term2pres p =
   let rec proof2pres p =
-    let module Con = Content in
-    let module P = Mpresentation in
-      let indent = 
-        let is_decl e = 
-          (match e with 
-             `Declaration _
-           | `Hypothesis _ -> true
-           | _ -> false) in
-        ((List.filter is_decl p.Con.proof_context) != []) in 
-      let omit_conclusion = (not indent) && (p.Con.proof_context != []) in
-      let concl = 
-        (match p.Con.proof_conclude.Con.conclude_conclusion with
-           None -> None
-         | Some t -> Some (term2pres t)) in
-      let body =
-          let presconclude = 
-            conclude2pres p.Con.proof_conclude indent omit_conclusion in
-          let presacontext = 
-            acontext2pres p.Con.proof_apply_context presconclude indent in
-          context2pres p.Con.proof_context presacontext in
-      match p.Con.proof_name with
-        None -> body
-      | Some name ->
-          let action = 
-           match concl with
-              None -> body
-(*
-               P.Maction
-                 ([None,"actiontype","toggle" ; None,"selection","1"],
-                  [P.Mtext [] "proof" ; body])
-*)
-            | Some ac ->
-               P.Maction
-                 ([None,"actiontype","toggle" ; None,"selection","1"],
-                  [(make_concl "proof of" ac); body])
-          in
-          P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-              None,"columnalign","left"],
-            [P.Mtr ([],[P.Mtd ([],P.Mfenced([],[P.Mtext ([],name)]))]);
-             P.Mtr ([],[P.Mtd ([], P.indented action)])])
-(*
-          P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-              None,"columnalign","left";Some "helm", "xref", p.Con.proof_id],
-            [P.Mtr ([],[P.Mtd ([],P.Mfenced([],[P.Mtext ([],name)]))]);
-             P.Mtr ([],[P.Mtd ([], P.indented action)])]) *)
+    let indent = 
+      let is_decl e = 
+        (match e with 
+           `Declaration _
+         | `Hypothesis _ -> true
+         | _ -> false) in
+      ((List.filter is_decl p.Con.proof_context) != []) in 
+    let omit_conclusion = (not indent) && (p.Con.proof_context != []) in
+    let concl = 
+      (match p.Con.proof_conclude.Con.conclude_conclusion with
+         None -> None
+       | Some t -> Some (term2pres t)) in
+    let body =
+        let presconclude = 
+          conclude2pres p.Con.proof_conclude indent omit_conclusion in
+        let presacontext = 
+          acontext2pres p.Con.proof_apply_context presconclude indent in
+        context2pres p.Con.proof_context presacontext in
+    match p.Con.proof_name with
+      None -> body
+    | Some name ->
+        let action = 
+         match concl with
+            None -> body
+          | Some ac ->
+             B.Action
+               ([None,"type","toggle"],
+                [(make_concl ~attrs:[Some "helm", "xref", p.Con.proof_id]
+                   "proof of" ac); body])
+        in
+        B.V ([],
+          [B.Text ([],"(" ^ name ^ ")");
+           B.indent action])
 
   and context2pres c continuation =
     (* we generate a subtable for each context element, for selection
        purposes 
        The table generated by the head-element does not have an xref;
        the whole context-proof is already selectable *)
-    let module P = Mpresentation in
     match c with
       [] -> continuation
     | hd::tl -> 
@@ -256,30 +179,42 @@ and proof2pres term2pres p =
           List.fold_right
             (fun ce continuation ->
               let xref = get_xref ce in
-              P.Mtable([None,"align","baseline 1"; None,"equalrows","false";
-               None,"columnalign","left"; Some "helm", "xref", xref ],
-                [P.Mtr([Some "helm", "xref", "ce_"^xref],[P.Mtd ([],ce2pres ce)]);
-                 P.Mtr([],[P.Mtd ([], continuation)])])) tl continuation in
+              B.V([Some "helm", "xref", xref ],
+                [B.H([Some "helm", "xref", "ce_"^xref],
+                     [ce2pres_in_proof_context_element ce]);
+                 continuation])) tl continuation in
          let hd_xref= get_xref hd in
-         P.Mtable([None,"align","baseline 1"; None,"equalrows","false";
-           None,"columnalign","left"],
-             [P.Mtr([Some "helm", "xref", "ce_"^hd_xref],
-               [P.Mtd ([],ce2pres hd)]);
-             P.Mtr([],[P.Mtd ([], continuation')])])
-         
-  and ce2pres =
-    let module P = Mpresentation in
-    let module Con = Content in
-      function
+         B.V([],
+             [B.H([Some "helm", "xref", "ce_"^hd_xref],
+               [ce2pres_in_proof_context_element hd]);
+             continuation'])
+        
+  and ce2pres_in_joint_context_element = function
+    | `Inductive _ -> assert false (* TODO *)
+    | (`Declaration _) as x -> ce2pres x
+    | (`Hypothesis _) as x  -> ce2pres x
+    | (`Proof _) as x       -> ce2pres x
+    | (`Definition _) as x  -> ce2pres x
+  
+  and ce2pres_in_proof_context_element = function 
+    | `Joint ho -> 
+      B.H ([],(List.map ce2pres_in_joint_context_element ho.Content.joint_defs))
+    | (`Declaration _) as x -> ce2pres x
+    | (`Hypothesis _) as x  -> ce2pres x
+    | (`Proof _) as x       -> ce2pres x
+    | (`Definition _) as x  -> ce2pres x
+  
+  and ce2pres = 
+    function 
         `Declaration d -> 
           (match d.Con.dec_name with
               Some s ->
                 let ty = term2pres d.Con.dec_type in
-                P.Mrow ([],
-                  [P.Mtext([None,"mathcolor","Red"],"Assume");
-                   P.Mspace([None,"width","0.1cm"]);
-                   P.Mi([],s);
-                   P.Mtext([],":");
+                B.H ([],
+                  [(B.b_kw "Assume");
+                   B.b_space;
+                   B.Object ([], P.Mi([],s));
+                   B.Text([],":");
                    ty])
             | None -> 
                 prerr_endline "NO NAME!!"; assert false)
@@ -287,84 +222,77 @@ and proof2pres term2pres p =
           (match h.Con.dec_name with
               Some s ->
                 let ty = term2pres h.Con.dec_type in
-                P.Mrow ([],
-                  [P.Mtext([None,"mathcolor","Red"],"Suppose");
-                   P.Mspace([None,"width","0.1cm"]);
-                   P.Mtext([],"(");
-                   P.Mi ([],s);
-                   P.Mtext([],")");
-                   P.Mspace([None,"width","0.1cm"]);
+                B.H ([],
+                  [(B.b_kw "Suppose");
+                   B.b_space;
+                   B.Text([],"(");
+                   B.Object ([], P.Mi ([],s));
+                   B.Text([],")");
+                   B.b_space;
                    ty])
             | None -> 
                 prerr_endline "NO NAME!!"; assert false) 
       | `Proof p -> 
-           (match  p.Con.proof_name with
-              Some "w" -> prerr_endline ("processing w");
-            | _ -> ());
            proof2pres p 
       | `Definition d -> 
            (match d.Con.def_name with
               Some s ->
                 let term = term2pres d.Con.def_term in
-                P.Mrow ([],
-                  [P.Mtext([],"Let ");
-                   P.Mi([],s);
-                   P.Mtext([]," = ");
-                   term])
+                B.H ([],
+                  [ B.b_kw "Let"; B.b_space;
+                    B.Object ([], P.Mi([],s));
+                    B.Text([]," = ");
+                    term])
             | None -> 
                 prerr_endline "NO NAME!!"; assert false) 
-      | `Joint ho -> 
-            P.Mtext ([],"jointdef")
 
   and acontext2pres ac continuation indent =
-    let module Con = Content in
-    let module P = Mpresentation in
     List.fold_right
       (fun p continuation ->
          let hd = 
            if indent then
-             P.indented (proof2pres p)
+             B.indent (proof2pres p)
            else 
              proof2pres p in
-         P.Mtable([None,"align","baseline 1"; None,"equalrows","false";
-          None,"columnalign","left"; Some "helm","xref",p.Con.proof_id],
-           [P.Mtr([Some "helm","xref","ace_"^p.Con.proof_id],[P.Mtd ([],hd)]);
-            P.Mtr([],[P.Mtd ([], continuation)])])) ac continuation 
+         B.V([Some "helm","xref",p.Con.proof_id],
+           [B.H([Some "helm","xref","ace_"^p.Con.proof_id],[hd]);
+            continuation])) ac continuation 
 
   and conclude2pres conclude indent omit_conclusion =
-    let module Con = Content in
-    let module P = Mpresentation in
     let tconclude_body = 
       match conclude.Con.conclude_conclusion with
-        Some t when not omit_conclusion ->
+        Some t when
+         not omit_conclusion or
+         (* CSC: I ignore the omit_conclusion flag in this case.   *)
+         (* CSC: Is this the correct behaviour? In the stylesheets *)
+         (* CSC: we simply generated nothing (i.e. the output type *)
+         (* CSC: of the function should become an option.          *)
+         conclude.Con.conclude_method = "BU_Conversion" ->
           let concl = (term2pres t) in 
           if conclude.Con.conclude_method = "BU_Conversion" then
             make_concl "that is equivalent to" concl
+          else if conclude.Con.conclude_method = "FalseInd" then
+           (* false ind is in charge to add the conclusion *)
+           falseind conclude
           else  
             let conclude_body = conclude_aux conclude in
             let ann_concl = 
               if conclude.Con.conclude_method = "TD_Conversion" then
                  make_concl "that is equivalent to" concl 
               else make_concl "we conclude" concl in
-            P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-              None,"columnalign","left"],
-                [P.Mtr ([],[P.Mtd ([],conclude_body)]);
-                 P.Mtr ([],[P.Mtd ([],ann_concl)])])
+            B.V ([], [conclude_body; ann_concl])
       | _ -> conclude_aux conclude in
     if indent then 
-      P.indented (P.Mrow ([Some "helm", "xref", conclude.Con.conclude_id],
+      B.indent (B.H ([Some "helm", "xref", conclude.Con.conclude_id],
                     [tconclude_body]))
     else 
-      P.Mrow ([Some "helm", "xref", conclude.Con.conclude_id],[tconclude_body])
-
+      B.H ([Some "helm", "xref", conclude.Con.conclude_id],[tconclude_body])
 
   and conclude_aux conclude =
-    let module Con = Content in
-    let module P = Mpresentation in
     if conclude.Con.conclude_method = "TD_Conversion" then
       let expected = 
         (match conclude.Con.conclude_conclusion with 
-           None -> P.Mtext([],"NO EXPECTED!!!")
+           None -> B.Text([],"NO EXPECTED!!!")
          | Some c -> term2pres c) in
       let subproof = 
         (match conclude.Con.conclude_args with
@@ -372,27 +300,30 @@ and proof2pres term2pres p =
          | _ -> assert false) in
       let synth = 
         (match subproof.Con.proof_conclude.Con.conclude_conclusion with
-           None -> P.Mtext([],"NO SYNTH!!!")
+           None -> B.Text([],"NO SYNTH!!!")
          | Some c -> (term2pres c)) in
-      P.Mtable 
-        ([None,"align","baseline 1"; None,"equalrows","false"; None,"columnalign","left"],
-        [P.Mtr([],[P.Mtd([],make_concl "we must prove" expected)]);
-         P.Mtr([],[P.Mtd([],make_concl "or equivalently" synth)]);
-         P.Mtr([],[P.Mtd([],proof2pres subproof)])])
+      B.V 
+        ([],
+        [make_concl "we must prove" expected;
+         make_concl "or equivalently" synth;
+         proof2pres subproof])
     else if conclude.Con.conclude_method = "BU_Conversion" then
       assert false
     else if conclude.Con.conclude_method = "Exact" then
       let arg = 
         (match conclude.Con.conclude_args with 
            [Con.Term t] -> term2pres t
-         | _ -> assert false) in
+         | [Con.Premise p] -> 
+             (match p.Con.premise_binder with
+             | None -> assert false; (* unnamed hypothesis ??? *)
+             | Some s -> B.Text([],s))
+         | err -> assert false) in
       (match conclude.Con.conclude_conclusion with 
          None ->
-          P.Mrow []
-           [P.Mtext [None, "mathcolor", "red"] "Consider" ; P.smallskip; arg]
+          B.b_h [] [B.b_kw "Consider"; B.b_space; arg]
        | Some c -> let conclusion = term2pres c in
           make_row 
-            [arg; P.Mspace([None,"width","0.1cm"]);P.Mtext([],"proves")]
+            [arg; B.b_space; B.b_kw "proves"]
             conclusion
        )
     else if conclude.Con.conclude_method = "Intros+LetTac" then
@@ -402,24 +333,28 @@ and proof2pres term2pres p =
 (* OLD CODE 
       let conclusion = 
       (match conclude.Con.conclude_conclusion with 
-         None -> P.Mtext([],"NO Conclusion!!!")
+         None -> B.Text([],"NO Conclusion!!!")
        | Some c -> term2pres c) in
       (match conclude.Con.conclude_args with
          [Con.ArgProof p] -> 
-           P.Mtable 
+           B.V 
             ([None,"align","baseline 1"; None,"equalrows","false";
               None,"columnalign","left"],
-              [P.Mtr([],[P.Mtd([],proof2pres p)]);
-               P.Mtr([],[P.Mtd([],
+              [B.H([],[B.Object([],proof2pres p)]);
+               B.H([],[B.Object([],
                 (make_concl "we proved 1" conclusion))])]);
        | _ -> assert false)
 *)
+    else if (conclude.Con.conclude_method = "Case") then
+      case conclude
     else if (conclude.Con.conclude_method = "ByInduction") then
       byinduction conclude
     else if (conclude.Con.conclude_method = "Exists") then
       exists conclude
     else if (conclude.Con.conclude_method = "AndInd") then
       andind conclude
+    else if (conclude.Con.conclude_method = "FalseInd") then
+      falseind conclude
     else if (conclude.Con.conclude_method = "Rewrite") then
       let justif = 
         (match (List.nth conclude.Con.conclude_args 6) with
@@ -433,102 +368,69 @@ and proof2pres term2pres p =
         (match List.nth conclude.Con.conclude_args 5 with
            Con.Term t -> term2pres t
          | _ -> assert false) in
-      P.Mtable ([None,"align","baseline 1";None,"equalrows","false";
-        None,"columnalign","left"], 
-         [P.Mtr ([],[P.Mtd ([],P.Mrow([],[
-          P.Mtext([None,"mathcolor","Red"],"rewrite");
-          P.Mspace([None,"width","0.1cm"]);term1;
-          P.Mspace([None,"width","0.1cm"]);
-          P.Mtext([None,"mathcolor","Red"],"with");
-          P.Mspace([None,"width","0.1cm"]);term2]))]);
-          P.Mtr ([],[P.Mtd ([],P.indented justif)])]);
-(* OLD CODE   
-      let conclusion = 
-        (match conclude.Con.conclude_conclusion with 
-           None -> P.Mtext([],"NO Conclusion!!!")
-         | Some c -> term2pres c) in
-      P.Mtable ([None,"align","baseline 1";None,"equalrows","false";
-            None,"columnalign","left"],
-             [P.Mtr ([],[P.Mtd ([],P.Mrow([],[
-               P.Mtext([None,"mathcolor","Red"],"rewrite");
-               P.Mspace([None,"width","0.1cm"]);term1;
-               P.Mspace([None,"width","0.1cm"]);
-               P.Mtext([None,"mathcolor","Red"],"with");
-               P.Mspace([None,"width","0.1cm"]);term2]))]);
-              P.Mtr ([],[P.Mtd ([],P.indented justif)]);
-              P.Mtr ([],[P.Mtd ([],make_concl "we proved 2" conclusion)])]) *)
+      B.V ([], 
+         [B.H ([],[
+          (B.b_kw "rewrite");
+          B.b_space; term1;
+          B.b_space; (B.b_kw "with");
+          B.b_space; term2;
+          B.indent justif])])
     else if conclude.Con.conclude_method = "Apply" then
       let pres_args = 
         make_args_for_apply term2pres conclude.Con.conclude_args in
-      P.Mrow([],
-        P.Mtext([None,"mathcolor","Red"],"by")::
-        P.Mspace([None,"width","0.1cm"])::
-        P.Mo([],"(")::pres_args@[P.Mo([],")")])
-(* OLD CODE 
-      let by = 
-         P.Mrow([],
-           P.Mtext([None,"mathcolor","Red"],"by")::P.Mspace([None,"width","0.1cm"])::
-           P.Mo([],"(")::pres_args@[P.Mo([],")")]) in 
-      match conclude.Con.conclude_conclusion with
-        None -> P.Mrow([],[P.Mtext([],"QUA");by])
-      | Some t ->
-         let concl = (term2pres t) in
-         let ann_concl = make_concl "we proved 3" concl in
-         P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-            None,"columnalign","left"; 
-            Some "helm", "xref", conclude.Con.conclude_id],
-             [P.Mtr ([],[P.Mtd ([],by)]);
-              P.Mtr ([],[P.Mtd ([],ann_concl)])]) *)
+      B.H([],
+        (B.b_kw "by")::
+        B.b_space::
+        B.Text([],"(")::pres_args@[B.Text([],")")])
     else 
-      P.Mtable 
-        ([None,"align","baseline 1"; None,"equalrows","false"; None,"columnalign","left"],
-         [P.Mtr ([],[P.Mtd ([],P.Mtext([],"Apply method" ^ conclude.Con.conclude_method ^ " to"))]);
-          P.Mtr ([],
-           [P.Mtd ([], 
-             (P.indented 
-               (P.Mtable 
-                 ([None,"align","baseline 1"; None,"equalrows","false";
-                   None,"columnalign","left"],
-                  args2pres conclude.Con.conclude_args))))])]) 
-(* OLD CODE 
-     match conclude.Con.conclude_conclusion with
-       None -> body
-     | Some t ->
-         let concl = (term2pres t) in
-         let ann_concl = make_concl "we proved 4" concl in
-         P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-            None,"columnalign","left"],
-             [P.Mtr ([],[P.Mtd ([],body)]);
-              P.Mtr ([],[P.Mtd ([],ann_concl)])]) *)
-
-  and args2pres l =
-    let module P = Mpresentation in
-    List.map 
-     (function a -> P.Mtr ([], [P.Mtd ([], arg2pres a)])) l
+      B.V ([], [
+        B.b_kw ("Apply method" ^ conclude.Con.conclude_method ^ " to");
+        (B.indent (B.V ([], args2pres conclude.Con.conclude_args)))])
+
+  and args2pres l = List.map arg2pres l
 
   and arg2pres =
-    let module P = Mpresentation in
-    let module Con = Content in
     function
-        Con.Aux n -> 
-          P.Mtext ([],"aux " ^ n)
-      | Con.Premise prem -> 
-          P.Mtext ([],"premise")
-      | Con.Lemma lemma ->
-          P.Mtext ([],"lemma")
-      | Con.Term t -> 
-          term2pres t
-      | Con.ArgProof p ->
-        proof2pres p 
-      | Con.ArgMethod s -> 
-         P.Mtext ([],"method") 
+        Con.Aux n -> B.b_kw ("aux " ^ n)
+      | Con.Premise prem -> B.b_kw "premise"
+      | Con.Lemma lemma -> B.b_kw "lemma"
+      | Con.Term t -> term2pres t
+      | Con.ArgProof p -> proof2pres p 
+      | Con.ArgMethod s -> B.b_kw "method"
  
+   and case conclude =
+     let proof_conclusion = 
+       (match conclude.Con.conclude_conclusion with
+          None -> B.b_kw "No conclusion???"
+        | Some t -> term2pres t) in
+     let arg,args_for_cases = 
+       (match conclude.Con.conclude_args with
+           Con.Aux(_)::Con.Aux(_)::Con.Term(_)::arg::tl ->
+             arg,tl
+         | _ -> assert false) in
+     let case_on =
+       let case_arg = 
+         (match arg with
+            Con.Aux n -> B.b_kw "an aux???"
+           | Con.Premise prem ->
+              (match prem.Con.premise_binder with
+                 None -> B.b_kw "the previous result"
+               | Some n -> B.Object ([], P.Mi([],n)))
+           | Con.Lemma lemma -> B.Object ([], P.Mi([],lemma.Con.lemma_name))
+           | Con.Term t -> 
+               term2pres t
+           | Con.ArgProof p -> B.b_kw "a proof???"
+           | Con.ArgMethod s -> B.b_kw "a method???")
+      in
+        (make_concl "we proceed by cases on" case_arg) in
+     let to_prove =
+        (make_concl "to prove" proof_conclusion) in
+     B.V ([], case_on::to_prove::(make_cases args_for_cases))
+
    and byinduction conclude =
-     let module P = Mpresentation in
-     let module Con = Content in
      let proof_conclusion = 
        (match conclude.Con.conclude_conclusion with
-          None -> P.Mtext([],"No conclusion???")
+          None -> B.b_kw "No conclusion???"
         | Some t -> term2pres t) in
      let inductive_arg,args_for_cases = 
        (match conclude.Con.conclude_args with
@@ -540,43 +442,30 @@ and proof2pres term2pres p =
      let induction_on =
        let arg = 
          (match inductive_arg with
-            Con.Aux n -> 
-              P.Mtext ([],"an aux???")
+            Con.Aux n -> B.b_kw "an aux???"
            | Con.Premise prem ->
               (match prem.Con.premise_binder with
-                 None -> P.Mtext ([],"the previous result")
-               | Some n -> P.Mi([],n))
-           | Con.Lemma lemma -> P.Mi([],lemma.Con.lemma_name)
+                 None -> B.b_kw "the previous result"
+               | Some n -> B.Object ([], P.Mi([],n)))
+           | Con.Lemma lemma -> B.Object ([], P.Mi([],lemma.Con.lemma_name))
            | Con.Term t -> 
                term2pres t
-           | Con.ArgProof p ->
-               P.Mtext ([],"a proof???")
-           | Con.ArgMethod s -> 
-               P.Mtext ([],"a method???")) in
-        (make_concl "we proceede by induction on" arg) in
+           | Con.ArgProof p -> B.b_kw "a proof???"
+           | Con.ArgMethod s -> B.b_kw "a method???") in
+        (make_concl "we proceed by induction on" arg) in
      let to_prove =
         (make_concl "to prove" proof_conclusion) in
-     P.Mtable 
-       ([None,"align","baseline 1"; None,"equalrows","false"; 
-         None,"columnalign","left"],
-          P.Mtr ([],[P.Mtd ([],induction_on)])::
-          P.Mtr ([],[P.Mtd ([],to_prove)])::
-          (make_cases args_for_cases))
-
-    and make_cases args_for_cases =
-    let module P = Mpresentation in
-    List.map 
-      (fun p -> P.Mtr ([],[P.Mtd ([],make_case p)])) args_for_cases
+     B.V ([], induction_on::to_prove:: (make_cases args_for_cases))
+
+    and make_cases l = List.map make_case l
 
     and make_case =  
-      let module P = Mpresentation in
-      let module Con = Content in
       function 
         Con.ArgProof p ->
           let name =
             (match p.Con.proof_name with
-               None -> P.Mtext([],"no name for case!!")
-             | Some n -> P.Mi([],n)) in
+               None -> B.b_kw "no name for case!!"
+             | Some n -> B.Object ([], P.Mi([],n))) in
           let indhyps,args =
              List.partition 
                (function
@@ -593,31 +482,27 @@ and proof2pres term2pres p =
                            (match h.Con.dec_name with
                               None -> "NO NAME???"
                            | Some n ->n) in
-                         [P.Mspace([None,"width","0.1cm"]);
-                          P.Mi ([],name);
-                          P.Mtext([],":");
+                         [B.b_space;
+                          B.Object ([], P.Mi ([],name));
+                          B.Text([],":");
                           (term2pres h.Con.dec_type)]
-                     | _ -> [P.Mtext ([],"???")]) in
+                     | _ -> [B.Text ([],"???")]) in
                   dec@p) args [] in
           let pattern = 
-            P.Mtr ([],[P.Mtd ([],P.Mrow([],
-               P.Mtext([],"Case")::P.Mspace([None,"width","0.1cm"])::name::pattern_aux@
-                [P.Mspace([None,"width","0.1cm"]);
-                 P.Mtext([],"->")]))]) in
+            B.H ([],
+               (B.b_kw "Case"::B.b_space::name::pattern_aux)@
+                [B.b_space;
+                 B.Text([], Utf8Macro.unicode_of_tex "\\Rightarrow")]) in
           let subconcl = 
             (match p.Con.proof_conclude.Con.conclude_conclusion with
-               None -> P.Mtext([],"No conclusion!!!") 
+               None -> B.b_kw "No conclusion!!!"
              | Some t -> term2pres t) in
-          let asubconcl =
-             P.Mtr([],[P.Mtd([],
-              P.indented (make_concl "the thesis becomes" subconcl))]) in
+          let asubconcl = B.indent (make_concl "the thesis becomes" subconcl) in
           let induction_hypothesis = 
             (match indhyps with
               [] -> []
             | _ -> 
-               let text =
-                 P.Mtr([],[P.Mtd([], P.indented 
-                 (P.Mtext([],"by induction hypothesis we know:")))]) in
+               let text = B.indent (B.b_kw "by induction hypothesis we know") in
                let make_hyp =
                  function 
                    `Hypothesis h ->
@@ -625,37 +510,62 @@ and proof2pres term2pres p =
                        (match h.Con.dec_name with
                           None -> "no name"
                         | Some s -> s) in
-                     P.indented (P.Mrow ([],
-                       [P.Mtext([],"(");
-                        P.Mi ([],name);
-                        P.Mtext([],")");
-                        P.Mspace([None,"width","0.1cm"]);
+                     B.indent (B.H ([],
+                       [B.Text([],"(");
+                        B.Object ([], P.Mi ([],name));
+                        B.Text([],")");
+                        B.b_space;
                         term2pres h.Con.dec_type]))
                    | _ -> assert false in
-               let hyps = 
-                 List.map 
-                   (function ce -> P.Mtr ([], [P.Mtd ([], make_hyp ce)])) 
-                    indhyps in
+               let hyps = List.map make_hyp indhyps in
                text::hyps) in          
           (* let acontext = 
                acontext2pres_old p.Con.proof_apply_context true in *)
           let body = conclude2pres p.Con.proof_conclude true false in
           let presacontext = 
-            P.Maction([None,"actiontype","toggle" ; None,"selection","1"],
-              [P.indented (P.Mtext([None,"mathcolor","Red"],"Proof"));
-               acontext2pres p.Con.proof_apply_context body true]) in
-          P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-             None,"columnalign","left"],
-             pattern::asubconcl::induction_hypothesis@
-              [P.Mtr([],[P.Mtd([],presacontext)])])
+           let acontext_id =
+            match p.Con.proof_apply_context with
+               [] -> p.Con.proof_conclude.Con.conclude_id
+             | {Con.proof_id = id}::_ -> id
+           in
+            B.Action([None,"type","toggle"],
+              [ B.indent (add_xref acontext_id (B.b_kw "Proof"));
+                acontext2pres p.Con.proof_apply_context body true]) in
+          B.V ([], pattern::asubconcl::induction_hypothesis@[presacontext])
        | _ -> assert false 
 
+     and falseind conclude =
+       let proof_conclusion = 
+         (match conclude.Con.conclude_conclusion with
+            None -> B.b_kw "No conclusion???"
+          | Some t -> term2pres t) in
+       let case_arg = 
+         (match conclude.Con.conclude_args with
+             [Con.Aux(n);_;case_arg] -> case_arg
+           | _ -> assert false;
+             (* 
+             List.map (ContentPp.parg 0) conclude.Con.conclude_args;
+             assert false *)) in
+       let arg = 
+         (match case_arg with
+             Con.Aux n -> assert false
+           | Con.Premise prem ->
+              (match prem.Con.premise_binder with
+                 None -> [B.b_kw "Contradiction, hence"]
+               | Some n -> 
+                   [ B.Object ([],P.Mi([],n)); B.skip;
+                     B.b_kw "is contradictory, hence"])
+           | Con.Lemma lemma -> 
+               [ B.Object ([], P.Mi([],lemma.Con.lemma_name)); B.skip;
+                 B.b_kw "is contradictory, hence" ]
+           | _ -> assert false) in
+            (* let body = proof2pres {proof with Con.proof_context = tl} in *)
+       make_row arg proof_conclusion
+
      and andind conclude =
-       let module P = Mpresentation in
-       let module Con = Content in
        let proof_conclusion = 
          (match conclude.Con.conclude_conclusion with
-            None -> P.Mtext([],"No conclusion???")
+            None -> B.b_kw "No conclusion???"
           | Some t -> term2pres t) in
        let proof,case_arg = 
          (match conclude.Con.conclude_args with
@@ -670,9 +580,10 @@ and proof2pres term2pres p =
            | Con.Premise prem ->
               (match prem.Con.premise_binder with
                  None -> []
-               | Some n -> [P.Mtext([],"by");P.smallskip;P.Mi([],n)])
+               | Some n -> [(B.b_kw "by"); B.b_space; B.Object([], P.Mi([],n))])
            | Con.Lemma lemma -> 
-               [P.Mtext([],"by");P.smallskip;P.Mi([],lemma.Con.lemma_name)]
+               [(B.b_kw "by");B.skip;
+                B.Object([], P.Mi([],lemma.Con.lemma_name))]
            | _ -> assert false) in
        match proof.Con.proof_context with
          `Hypothesis hyp1::`Hypothesis hyp2::tl ->
@@ -681,40 +592,36 @@ and proof2pres term2pres p =
                 None -> "_"
               | Some s -> s) in
             let preshyp1 = 
-              P.Mrow ([],
-               [P.Mtext([],"(");
-                P.Mi([],get_name hyp1);
-                P.Mtext([],")");
-                P.smallskip;
+              B.H ([],
+               [B.Text([],"(");
+                B.Object ([], P.Mi([],get_name hyp1));
+                B.Text([],")");
+                B.skip;
                 term2pres hyp1.Con.dec_type]) in
             let preshyp2 = 
-              P.Mrow ([],
-               [P.Mtext([],"(");
-                P.Mi([],get_name hyp2);
-                P.Mtext([],")");
-                P.smallskip;
+              B.H ([],
+               [B.Text([],"(");
+                B.Object ([], P.Mi([],get_name hyp2));
+                B.Text([],")");
+                B.skip;
                 term2pres hyp2.Con.dec_type]) in
             (* let body = proof2pres {proof with Con.proof_context = tl} in *)
             let body = conclude2pres proof.Con.proof_conclude false true in
             let presacontext = 
               acontext2pres proof.Con.proof_apply_context body false in
-            P.Mtable 
-              ([None,"align","baseline 1"; None,"equalrows","false"; 
-                None,"columnalign","left"],
-               [P.Mtr ([],[P.Mtd ([],
-                 P.Mrow([],arg@[P.smallskip;P.Mtext([],"we have")]))]);
-                P.Mtr ([],[P.Mtd ([],preshyp1)]);
-                P.Mtr ([],[P.Mtd ([],P.Mtext([],"and"))]);
-                P.Mtr ([],[P.Mtd ([],preshyp2)]);
-                P.Mtr ([],[P.Mtd ([],presacontext)])]);
+            B.V 
+              ([],
+               [B.H ([],arg@[B.skip; B.b_kw "we have"]);
+                preshyp1;
+                B.b_kw "and";
+                preshyp2;
+                presacontext]);
          | _ -> assert false
 
      and exists conclude =
-       let module P = Mpresentation in
-       let module Con = Content in
        let proof_conclusion = 
          (match conclude.Con.conclude_conclusion with
-            None -> P.Mtext([],"No conclusion???")
+            None -> B.b_kw "No conclusion???"
           | Some t -> term2pres t) in
        let proof = 
          (match conclude.Con.conclude_args with
@@ -731,146 +638,186 @@ and proof2pres term2pres p =
                 None -> "_"
               | Some s -> s) in
            let presdecl = 
-             P.Mrow ([],
-               [P.Mtext([None,"mathcolor","Red"],"let");
-                P.smallskip;
-                P.Mi([],get_name decl);
-                P.Mtext([],":"); term2pres decl.Con.dec_type]) in
+             B.H ([],
+               [(B.b_kw "let");
+                B.skip;
+                B.Object ([], P.Mi([],get_name decl));
+                B.Text([],":"); term2pres decl.Con.dec_type]) in
            let suchthat =
-             P.Mrow ([],
-               [P.Mtext([None,"mathcolor","Red"],"such that");
-                P.smallskip;
-                P.Mtext([],"(");
-                P.Mi([],get_name hyp);
-                P.Mtext([],")");
-                P.smallskip;
+             B.H ([],
+               [(B.b_kw "such that");
+                B.skip;
+                B.Text([],"(");
+                B.Object ([], P.Mi([],get_name hyp));
+                B.Text([],")");
+                B.skip;
                 term2pres hyp.Con.dec_type]) in
             (* let body = proof2pres {proof with Con.proof_context = tl} in *)
             let body = conclude2pres proof.Con.proof_conclude false true in
             let presacontext = 
               acontext2pres proof.Con.proof_apply_context body false in
-            P.Mtable 
-              ([None,"align","baseline 1"; None,"equalrows","false"; 
-                None,"columnalign","left"],
-               [P.Mtr ([],[P.Mtd ([],presdecl)]);
-                P.Mtr ([],[P.Mtd ([],suchthat)]);
-                P.Mtr ([],[P.Mtd ([],presacontext)])]);
-         | _ -> assert false in
+            B.V 
+              ([],
+               [presdecl;
+                suchthat;
+                presacontext]);
+         | _ -> assert false
+
+    in
+    proof2pres p
 
-proof2pres p
-;;
+exception ToDo
 
-exception ToDo;;
+let counter = ref 0
+
+let conjecture2pres term2pres (id, n, context, ty) =
+  (B.b_h [Some "helm", "xref", id]
+     (((List.map
+          (function
+             | None ->
+                B.b_h []
+                   [ B.b_object (p_mi [] "_") ;
+                     B.b_object (p_mo [] ":?") ;
+                     B.b_object (p_mi [] "_")]
+             | Some (`Declaration d)
+             | Some (`Hypothesis d) ->
+                let { Content.dec_name =
+                    dec_name ; Content.dec_type = ty } = d
+                in
+                  B.b_h []
+                     [ B.b_object
+                        (p_mi []
+                           (match dec_name with
+                                None -> "_"
+                              | Some n -> n));
+                       B.b_text [] ":";
+                       term2pres ty ]
+             | Some (`Definition d) ->
+                 let
+                     { Content.def_name = def_name ;
+                       Content.def_term = bo } = d
+                 in
+                   B.b_h []
+                     [ B.b_object (p_mi []
+                                    (match def_name with
+                                         None -> "_"
+                                       | Some n -> n)) ;
+                       B.b_text [] (Utf8Macro.unicode_of_tex "\\Assign");
+                       term2pres bo]
+             | Some (`Proof p) ->
+                 let proof_name = p.Content.proof_name in
+                   B.b_h []
+                     [ B.b_object (p_mi []
+                                    (match proof_name with
+                                         None -> "_"
+                                       | Some n -> n)) ;
+                       B.b_text [] (Utf8Macro.unicode_of_tex "\\Assign");
+                       proof2pres term2pres p])
+          (List.rev context)) @
+         [ B.b_text [] (Utf8Macro.unicode_of_tex "\\vdash");
+           B.b_object (p_mi [] (string_of_int n)) ;
+           B.b_text [] ":" ;
+           term2pres ty ])))
+
+let metasenv2pres term2pres = function
+  | None -> []
+  | Some metasenv' ->
+      (* Conjectures are in their own table to make *)
+      (* diffing the DOM trees easier.              *)
+      [B.b_v []
+        ((B.b_kw ("Conjectures:" ^
+            (let _ = incr counter; in (string_of_int !counter)))) ::
+         (List.map (conjecture2pres term2pres) metasenv'))]
+
+let params2pres params =
+  let param2pres uri =
+    B.b_text [Some "xlink", "href", UriManager.string_of_uri uri]
+      (UriManager.name_of_uri uri)
+  in
+  let rec spatiate = function
+    | [] -> []
+    | hd :: [] -> [hd]
+    | hd :: tl -> hd :: B.b_text [] ", " :: spatiate tl
+  in
+  match params with
+  | [] -> []
+  | p ->
+      let params = spatiate (List.map param2pres p) in
+      [B.b_space;
+       B.b_h [] (B.b_text [] "[" :: params @ [ B.b_text [] "]" ])]
+
+let recursion_kind2pres params kind =
+  let kind =
+    match kind with
+    | `Recursive _ -> "Recursive definition"
+    | `CoRecursive -> "CoRecursive definition"
+    | `Inductive _ -> "Inductive definition"
+    | `CoInductive _ -> "CoInductive definition"
+  in
+  B.b_h [] (B.b_kw kind :: params2pres params)
+
+let inductive2pres term2pres ind =
+  let constructor2pres decl =
+    B.b_h [] [
+      B.b_text [] ("| " ^ get_name decl.Content.dec_name ^ ":");
+      B.b_space;
+      term2pres decl.Content.dec_type
+    ]
+  in
+  B.b_v []
+    (B.b_h [] [
+      B.b_kw (ind.Content.inductive_name ^ " of arity");
+      B.smallskip;
+      term2pres ind.Content.inductive_type ]
+    :: List.map constructor2pres ind.Content.inductive_constructors)
+
+let joint_def2pres term2pres def =
+  match def with
+  | `Inductive ind -> inductive2pres term2pres ind
+  | _ -> assert false (* ZACK or raise ToDo? *)
 
 let content2pres term2pres (id,params,metasenv,obj) =
- let module K = Content in
- let module P = Mpresentation in
   match obj with
-     `Def (K.Const,thesis,`Proof p) ->
-       P.Mtable
-        [None,"align","baseline 1";
-         None,"equalrows","false";
-         None,"columnalign","left";
-         None,"helm:xref","id"]
-        ([P.Mtr []
-           [P.Mtd []
-            (P.Mrow []
-             [P.Mtext []
-               ("UNFINISHED PROOF" ^ id ^"(" ^
-                 String.concat " ; " (List.map UriManager.string_of_uri params)^
-                ")")])] ;
-         P.Mtr []
-          [P.Mtd []
-            (P.Mrow []
-              [P.Mtext [] "THESIS:"])] ;
-         P.Mtr []
-          [P.Mtd []
-            (P.Mrow []
-              [P.Mphantom []
-                (P.Mtext [] "__") ;
-              term2pres thesis])]] @
-         (match metasenv with
-             None -> []
-           | Some metasenv' ->
-              [P.Mtr []
-                [P.Mtd []
-                  (* Conjectures are in their own table to make *)
-                  (* diffing the DOM trees easier.              *)
-                  (P.Mtable
-                    [None,"align","baseline 1";
-                     None,"equalrows","false";
-                     None,"columnalign","left"]
-                   ((P.Mtr []
-                      [P.Mtd []
-                       (P.Mrow []
-                         [P.Mtext [] "CONJECTURES:"])])::
-                    List.map
-                     (function
-                       (id,n,context,ty) ->
-                         P.Mtr []
-                          [P.Mtd []
-                           (P.Mrow [Some "helm", "xref", id]
-                             (List.map
-                               (function
-                                   (_,None) ->
-                                     P.Mrow []
-                                      [ P.Mi [] "_" ;
-                                        P.Mo [] ":?" ;
-                                        P.Mi [] "_"]
-                                 | (_,Some (`Declaration d))
-                                 | (_,Some (`Hypothesis d)) ->
-                                    let
-                                     { K.dec_name = dec_name ;
-                                       K.dec_type = ty } = d
-                                     in
-                                      P.Mrow []
-                                       [ P.Mi []
-                                          (match dec_name with
-                                              None -> "_"
-                                            | Some n -> n) ;
-                                         P.Mo [] ":" ;
-                                         term2pres ty]
-                                 | (_,Some (`Definition d)) ->
-                                    let
-                                     { K.def_name = def_name ;
-                                       K.def_term = bo } = d
-                                     in
-                                      P.Mrow []
-                                       [ P.Mi []
-                                          (match def_name with
-                                              None -> "_"
-                                            | Some n -> n) ;
-                                         P.Mo [] ":=" ;
-                                         term2pres bo]
-                                 | (_,Some (`Proof p)) ->
-                                    let proof_name = p.K.proof_name in
-                                     P.Mrow []
-                                      [ P.Mi []
-                                         (match proof_name with
-                                             None -> "_"
-                                           | Some n -> n) ;
-                                        P.Mo [] ":=" ;
-                                        proof2pres term2pres p]
-                               ) context @
-                             [ P.Mo [] "|-" ] @
-                             [ P.Mi [] (string_of_int n) ;
-                               P.Mo [] ":" ;
-                               term2pres ty ]
-                           ))
-                          ]
-                     ) metasenv'
-                  ))]]
-         )  @
-        [P.Mtr []
-          [P.Mtd []
-            (P.Mrow []
-              [proof2pres term2pres p])]])
-   | _ -> raise ToDo
-;;
+  | `Def (Content.Const, thesis, `Proof p) ->
+      let name = get_name p.Content.proof_name in
+      B.b_v
+        [Some "helm","xref","id"]
+        ([ B.b_h [] (B.b_kw ("Proof " ^ name) :: params2pres params);
+           B.b_kw "Thesis:";
+           B.indent (term2pres thesis) ] @
+         metasenv2pres term2pres metasenv @
+         [proof2pres term2pres p])
+  | `Def (_, ty, `Definition body) ->
+      let name = get_name body.Content.def_name in
+      B.b_v
+        [Some "helm","xref","id"]
+        ([B.b_h [] (B.b_kw ("Definition " ^ name) :: params2pres params);
+          B.b_kw "Type:";
+          B.indent (term2pres ty)] @
+          metasenv2pres term2pres metasenv @
+          [B.b_kw "Body:"; term2pres body.Content.def_term])
+  | `Decl (_, `Declaration decl)
+  | `Decl (_, `Hypothesis decl) ->
+      let name = get_name decl.Content.dec_name in
+      B.b_v
+        [Some "helm","xref","id"]
+        ([B.b_h [] (B.b_kw ("Axiom " ^ name) :: params2pres params);
+          B.b_kw "Type:";
+          B.indent (term2pres decl.Content.dec_type)] @
+          metasenv2pres term2pres metasenv)
+  | `Joint joint ->
+      B.b_v []
+        (recursion_kind2pres params joint.Content.joint_kind
+        :: List.map (joint_def2pres term2pres) joint.Content.joint_defs)
+  | _ -> raise ToDo
 
 let content2pres ~ids_to_inner_sorts =
- content2pres 
-  (function p -> 
-   (Cexpr2pres.cexpr2pres_charcount 
-    (Content_expressions.acic2cexpr ids_to_inner_sorts p)))
-;;
+  content2pres
+    (fun annterm ->
+      let ast, ids_to_uris =
+        CicNotationRew.ast_of_acic ids_to_inner_sorts annterm
+      in
+      CicNotationPres.box_of_mpres
+        (CicNotationPres.render ids_to_uris
+          (CicNotationRew.pp_ast ast)))
+