+ static MSymbol key = MSymbol.PropertyKey ("___");
+#if false
+ static MSymbol key_r = MSymbol.PropertyKey ("r__",
+ MProperty.Flags.RearSticky);
+ static MSymbol key_f = MSymbol.PropertyKey ("_f_",
+ MProperty.Flags.FrontSticky);
+ static MSymbol key_rf = MSymbol.PropertyKey ("rf_",
+ (MProperty.Flags.RearSticky
+ | MProperty.Flags.FrontSticky));
+ static MSymbol key_s = MSymbol.PropertyKey ("__s",
+ MProperty.Flags.Sensitive);
+ static MSymbol key_rs = MSymbol.PropertyKey ("r_s",
+ (MProperty.Flags.RearSticky
+ | MProperty.Flags.Sensitive));
+ static MSymbol key_fs = MSymbol.PropertyKey ("_fs",
+ (MProperty.Flags.FrontSticky
+ | MProperty.Flags.Sensitive));
+ static MSymbol key_rfs = MSymbol.PropertyKey ("rfs",
+ (MProperty.Flags.RearSticky
+ | MProperty.Flags.FrontSticky
+ | MProperty.Flags.Sensitive));
+#endif
+