X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fpredefined_virtuals.ml;h=98e9f1e61c8c8c05b6ec0739d1adb78a05b454e6;hb=0485e1e1845d054ab1a570c78cd5b6f2992d6909;hp=a94fbd552922ecf3c126b253f3c9413791c1a2d2;hpb=16bbb2d6b16d5647d944f18f0fd6d4dd3df431fe;p=helm.git

diff --git a/matita/matita/predefined_virtuals.ml b/matita/matita/predefined_virtuals.ml
index a94fbd552..98e9f1e61 100644
--- a/matita/matita/predefined_virtuals.ml
+++ b/matita/matita/predefined_virtuals.ml
@@ -1509,7 +1509,7 @@ let predefined_classes = [
  ["⇒"; "➾"; "⇨"; "➡"; "⇉"; "⥤"; "⥰"; ] ;
  ["⇑"; "⇧"; "⬆"; ] ; 
  ["⇓"; "⇩"; "⬇"; ] ;
- ["⇔"; "⬄"; "⬌"; ] ; 
+ ["↔"; "⇔"; "⬄"; "⬌"; ] ; 
  ["≤"; "≲"; "≼"; "≰"; "≴"; "⋠"; ];
  ["_" ; "⎽"; "⎼"; "⎻"; "⎺"; ];
  ["<"; "≺"; "≮"; "⊀"; "〈"; "«"; "❬"; "❮"; "❰"; ] ;