X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fpredefined_virtuals.ml;h=9efd9a61b908171086989a4ad2ae3a15214f34cd;hp=6dd729c310f5a8453e6dec587a97736424387ea6;hb=ea918ec7701db4458c5ca25885e80abc6fed1be7;hpb=053be41a8db6aa0ca7cc06fb569ec284a9bcc5ef

diff --git a/matita/matita/predefined_virtuals.ml b/matita/matita/predefined_virtuals.ml
index 6dd729c31..9efd9a61b 100644
--- a/matita/matita/predefined_virtuals.ml
+++ b/matita/matita/predefined_virtuals.ml
@@ -1562,7 +1562,7 @@ let predefined_classes = [
  ["M"; "ℳ"; "𝕄"; "𝐌"; "Ⓜ"; ] ;
  ["n"; "𝕟"; "𝐧"; "𝛈"; "ⓝ"; ] ;
  ["N"; "ℕ"; "№"; "𝐍"; "Ⓝ"; ] ;
- ["o"; "θ"; "ϑ"; "𝕠"; "∘";  "⊚"; "ø"; "○"; "𝐨"; "𝛉"; "ⓞ"; ] ;
+ ["o"; "θ"; "ϑ"; "𝕠"; "∘";  "⊚"; "ø"; "○"; "●"; "𝐨"; "𝛉"; "ⓞ"; ] ;
  ["O"; "Θ"; "𝕆"; "𝐎"; "𝚯"; "𝚹"; "Ⓞ"; ] ;
  ["p"; "π"; "𝕡"; "𝐩"; "𝛑"; "ⓟ"; ] ;
  ["P"; "Π"; "℘"; "ℙ"; "𝐏"; "𝚷"; "Ⓟ"; ] ;