alt-l for not working nymore for \fox where x was in an eq class

diff --git a/helm/software/matita/matitaGui.ml b/helm/software/matita/matitaGui.ml
index f0bd8acc027f42e076eb143a8b155ae2f7150fee..7db4d5af12bcb3a5bbf8074f69a09282d41d5e60 100644 (file)
--- a/helm/software/matita/matitaGui.ml
+++ b/helm/software/matita/matitaGui.ml
@@ -651,7 +651,8 @@ class gui () =
       connect_menu_item main#ligatureButton self#nextSimilarSymbol;
       ignore(source_buffer#connect#after#insert_text 
        ~callback:(fun iter str -> 
-          if false && str = " " then self#expand_virtual_if_any iter " "));
+          if false && str = " " then 
+            ignore(self#expand_virtual_if_any iter " ")));
       ignore (findRepl#findEntry#connect#activate find_forward);
         (* interface lockers *)
       let lock_world _ =
@@ -1107,8 +1108,9 @@ class gui () =
          ~stop:(iter#copy#backward_chars
            (MatitaGtkMisc.utf8_string_length inplaceof + len));
        source_buffer#insert ~iter:(source_buffer#get_iter_at_mark `INSERT) 
-         (if inplaceof.[0] = '\\' then s else (s ^ tok))
-      with Virtuals.Not_a_virtual -> ()
+         (if inplaceof.[0] = '\\' then s else (s ^ tok));
+       true
+      with Virtuals.Not_a_virtual -> false
          
     method private nextSimilarSymbol () = 
       let write_similarsymbol s =
@@ -1130,21 +1132,20 @@ class gui () =
         with GText.No_such_mark _ -> true
       in
       if new_similarsymbol then
+        (if not(self#expand_virtual_if_any (source_buffer#get_iter_at_mark `INSERT) "")then
           let last_symbol = 
             let i = source_buffer#get_iter_at_mark `INSERT in
             Glib.Utf8.first_char (i#get_slice ~stop:(i#copy#backward_chars 1))
           in
           (match Virtuals.similar_symbols last_symbol with
-          | [] -> 
-              let i = source_buffer#get_iter_at_mark `INSERT in
-              self#expand_virtual_if_any i ""
+          | [] ->  ()
           | hd :: next ::tl ->
               let hd, tl = 
                 if hd = last_symbol then next, tl @ [hd] else hd, (next::tl)
               in
               write_similarsymbol hd;
               similarsymbols <- tl @ [ hd ]
-          | _ -> assert false) (* singleton eq classes are a non sense *)
+          | _ -> assert false)) (* singleton eq classes are a non sense *)
       else 
         match similarsymbols with
         | [] -> ()