* ext/psych/lib/psych/visitors/yaml_tree.rb: support dumping Encoding

	  objects.

	* ext/psych/lib/psych/visitors/to_ruby.rb: support loading Encoding
	  objects.

	* test/psych/test_encoding.rb: add test

	* ext/psych/lib/psych.rb: add version

CHANGELOG.rdoc

@@ -1,3 +1,15 @@
+Sat Mar  1 11:08:00 2014  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/yaml_tree.rb: support dumping Encoding
+	  objects.
+
+	* ext/psych/lib/psych/visitors/to_ruby.rb: support loading Encoding
+	  objects.
+
+	* test/psych/test_encoding.rb: add test
+
+	* ext/psych/lib/psych.rb: add version
+
 Wed Feb  5 10:11:36 2014  Zachary Scott  <e@zzak.io>
 
         * ext/psych/yaml/config.h: bump libyaml to 0.1.5

lib/psych/visitors/to_ruby.rb

@@ -75,6 +75,8 @@ def deserialize o
           class_loader.date_time
           require 'date'
           @ss.parse_time(o.value).to_datetime
+        when '!ruby/encoding'
+          ::Encoding.find o.value
         when "!ruby/object:Complex"
           class_loader.complex
           Complex(o.value)

lib/psych/visitors/yaml_tree.rb

@@ -157,6 +157,11 @@ def visit_Psych_Omap o
         @emitter.end_sequence
       end
 
+      def visit_Encoding o
+        tag = "!ruby/encoding"
+        @emitter.scalar o.name, nil, tag, false, false, Nodes::Scalar::ANY
+      end
+
       def visit_Object o
         tag = Psych.dump_tags[o.class]
         unless tag

test/psych/test_encoding.rb

@@ -31,6 +31,11 @@ def setup
       @emitter = Psych::Emitter.new @buffer
     end
 
+    def test_dump_load_encoding_object
+      assert_cycle Encoding::US_ASCII
+      assert_cycle Encoding::UTF_8
+    end
+
     def test_transcode_shiftjis
       str = "こんにちは！"
       loaded = Psych.load("--- こんにちは！".encode('SHIFT_JIS'))