some additions

diff --git a/matita/matita/predefined_virtuals.ml b/matita/matita/predefined_virtuals.ml
index d87e5a460d03d3ae06ee77bbafa28b89067a17dd..753339b95bdd20c2e039b2902372bae194a83b19 100644 (file)
--- a/matita/matita/predefined_virtuals.ml
+++ b/matita/matita/predefined_virtuals.ml
@@ -1503,6 +1503,7 @@ let load_predefined_virtuals () =
 ;;
 
 let predefined_classes = [
+ ["!"; "¡"; ]; 
  [":"; "⁝"; ];
  ["."; "•"; "◦"; ];
  ["#"; "♯"; "⌘"; ];