Split off the Serialization namespace into a new assembly.
diff --git a/src/ProtocolBuffers.Serialization/RecursionLimitExceeded.cs b/src/ProtocolBuffers.Serialization/RecursionLimitExceeded.cs
new file mode 100644
index 0000000..cdecb52
--- /dev/null
+++ b/src/ProtocolBuffers.Serialization/RecursionLimitExceeded.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Google.ProtocolBuffers.Serialization
+{
+ /// <summary>
+ /// The exception raised when a recursion limit is reached while parsing input.
+ /// </summary>
+#if !SILVERLIGHT2
+ [Serializable]
+#endif
+ public sealed class RecursionLimitExceededException : FormatException
+ {
+ const string message = "Possible malicious message had too many levels of nesting.";
+
+ internal RecursionLimitExceededException() : base(message)
+ {
+ }
+
+#if !SILVERLIGHT2
+ private RecursionLimitExceededException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
+ : base(info, context)
+ {
+ }
+#endif
+ }
+}