--- a/Implab/Automaton/RegularExpressions/AltToken.cs	Tue Mar 22 18:58:40 2016 +0300
+++ b/Implab/Automaton/RegularExpressions/AltToken.cs	Wed Mar 23 01:42:00 2016 +0300
@@ -1,17 +1,17 @@
 using System;
 
 namespace Implab.Automaton.RegularExpressions {
-    public class AltToken<TTag>: BinaryToken<TTag> {
-        public AltToken(Token<TTag> left, Token<TTag> right)
+    public class AltToken: BinaryToken {
+        public AltToken(Token left, Token right)
             : base(left, right) {
         }
 
-        public override void Accept(IVisitor<TTag> visitor) {
+        public override void Accept(IVisitor visitor) {
             Safe.ArgumentNotNull(visitor, "visitor");
             visitor.Visit(this);
         }
         public override string ToString() {
-            return String.Format(Right is BinaryToken<TTag> ? "{0}|({1})" : "{0}|{1}", Left, Right);
+            return String.Format(Right is BinaryToken ? "{0}|({1})" : "{0}|{1}", Left, Right);
         }
     }
 }