added do_heavy_checks default

diff --git a/helm/software/matita/matitaInit.ml b/helm/software/matita/matitaInit.ml
index 8ae9b00a37fb0e325058428be5ade6bb957abc66..8f3071334e7496c9b0bf9fd276353e859e6026b5 100644 (file)
--- a/helm/software/matita/matitaInit.ml
+++ b/helm/software/matita/matitaInit.ml
@@ -52,12 +52,15 @@ let registry_defaults = [
   "matita.bench",                "false";
   "matita.paste_unicode_as_tex", "false";
   "matita.noinnertypes",         "false";
+  "matita.do_heavy_checks",      "true";
     (** verbosity level: 1 is the default, 0 is intuitively "quiet", > 1 is
      * intuitively verbose *)
 ]
 
 let set_registry_values =
-  List.iter (fun key, value -> Helm_registry.set ~key ~value)
+  List.iter 
+    (fun key, value -> 
+       if not (Helm_registry.has key) then Helm_registry.set ~key ~value)
 
 let fill_registry init_status =
   if not (already_configured [ Registry ] init_status) then begin