Make YamlDocument and YamlStream serializable.

README.md

@@ -18,6 +18,10 @@ The most up-to-date version can always be found in the following NuGet packages:
 
 # Changelog
 
+## Version 3.3.0
+
+* Make types in YamlDotNet.RepresentationModel serializable.
+
 ## Version 3.2.1
 
 * Fix AnchorNotFoundException when another exception occurs during deserialization.

YamlDotNet/RepresentationModel/YamlDocument.cs

@@ -1,5 +1,5 @@
 //  This file is part of YamlDotNet - A .NET library for YAML.
-//  Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Antoine Aubry and contributors
+//  Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Antoine Aubry and contributors
 
 //  Permission is hereby granted, free of charge, to any person obtaining a copy of
 //  this software and associated documentation files (the "Software"), to deal in
@@ -31,6 +31,7 @@ namespace YamlDotNet.RepresentationModel
 	/// <summary>
 	/// Represents an YAML document.
 	/// </summary>
+	[Serializable]
 	public class YamlDocument
 	{
 		/// <summary>

YamlDotNet/RepresentationModel/YamlStream.cs

@@ -1,5 +1,5 @@
 //  This file is part of YamlDotNet - A .NET library for YAML.
-//  Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Antoine Aubry and contributors
+//  Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Antoine Aubry and contributors
 
 //  Permission is hereby granted, free of charge, to any person obtaining a copy of
 //  this software and associated documentation files (the "Software"), to deal in
@@ -19,6 +19,7 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 //  SOFTWARE.
 
+using System;
 using System.Collections.Generic;
 using System.IO;
 using YamlDotNet.Core;
@@ -29,6 +30,7 @@ namespace YamlDotNet.RepresentationModel
 	/// <summary>
 	/// Represents an YAML stream.
 	/// </summary>
+	[Serializable]
 	public class YamlStream : IEnumerable<YamlDocument>
 	{
 		private readonly IList<YamlDocument> documents = new List<YamlDocument>();