* ext/psych/lib/psych/visitors/yaml_tree.rb: adding backwards

compatible YAMLTree.new method

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed May 15 03:56:09 2013  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/yaml_tree.rb: adding backwards
+	  compatible YAMLTree.new method
+
 Wed May 15 02:22:16 2013  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/psych/lib/psych.rb: Adding Psych.safe_load for loading a user

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

@@ -47,6 +47,13 @@ module Psych
         new(emitter, ss, options)
       end
 
+      def self.new emitter = nil, ss = nil, options = nil
+        return super if emitter && ss && options
+
+        warn "This API is deprecated, please pass an emitter, scalar scanner, and options or call #{self.class}.create() (#{caller.first})"
+        create emitter, ss
+      end
+
       def initialize emitter, ss, options
         super()
         @started  = false