--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Formats/CharAlphabet.cs	Fri Apr 22 13:10:34 2016 +0300
@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using System.Linq;
+using Implab.Automaton;
+
+namespace Implab.Formats {
+    public class CharAlphabet: IndexedAlphabetBase<char> {
+
+        public override int GetSymbolIndex(char symbol) {
+            return symbol;
+        }
+
+        public IEnumerable<char> InputSymbols {
+            get { return Enumerable.Range(char.MinValue, char.MaxValue).Cast<char>(); }
+        }
+    }
+}