* ext/psych/lib/psych/visitors/yaml_tree.rb: fix symbol keys in coder

emission.  Thanks @tjwallace
* test/psych/test_coder.rb: test for change

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Apr  6 03:11:07 2013  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/yaml_tree.rb: fix symbol keys in coder
+	  emission.  Thanks @tjwallace
+	* test/psych/test_coder.rb: test for change
+
 Sat Apr  6 02:54:08 2013  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/psych/lib/psych/exception.rb: there should be only one exception

ext/psych/lib/psych/visitors/yaml_tree.rb

@@ -463,7 +463,7 @@ module Psych
         when :map
           @emitter.start_mapping nil, c.tag, c.implicit, c.style
           c.map.each do |k,v|
-            @emitter.scalar k, nil, nil, true, false, Nodes::Scalar::ANY
+            accept k
             accept v
           end
           @emitter.end_mapping

test/psych/test_coder.rb

@@ -85,7 +85,7 @@ module Psych
       end
 
       def encode_with coder
-        coder.represent_map self.class.name, { 'a' => 'b' }
+        coder.represent_map self.class.name, { "string" => 'a', :symbol => 'b' }
       end
     end
 
@@ -131,7 +131,7 @@ module Psych
 
     def test_represent_map
       thing = Psych.load(Psych.dump(RepresentWithMap.new))
-      assert_equal({ 'a' => 'b' }, thing.map)
+      assert_equal({ "string" => 'a', :symbol => 'b' }, thing.map)
     end
 
     def test_represent_sequence