[ruby-dev:32141] REXML::Document#write: undefined local variable or method `transitive'

trunkのREXMLが元だと思うのですけど
REXML::Document.new("<a><b><c/></b></a>").each_child{|e| e.write($stdout,1,true,true)
などで例外が上がります。

どこでrequireするといいのか分かりませんが
とりあえずこんなんで回避できそうです。

Index: lib/rexml/document.rb
===================================================================
--- lib/rexml/document.rb	(revision 13760)
+++ lib/rexml/document.rb	(working copy)
@@ -184,7 +184,8 @@
         output = Output.new( output, xml_decl.encoding )
       end
       formatter = if indent > -1
-          if trans
+          if transitive
+            require "rexml/formatters/transitive"
             REXML::Formatters::Transitive.new( indent, ie_hack )
           else
             REXML::Formatters::Pretty.new( indent, ie_hack )
Index: lib/rexml/element.rb
===================================================================
--- lib/rexml/element.rb	(revision 13760)
+++ lib/rexml/element.rb	(working copy)
@@ -671,10 +671,11 @@
     #  out = ''
     #  doc.write( out )     #-> doc is written to the string 'out'
     #  doc.write( $stdout ) #-> doc written to the console
-    def write(writer=$stdout, indent=-1, transitive=false, ie_hack=false)
+    def write(output=$stdout, indent=-1, transitive=false, ie_hack=false)
       Kernel.warn("#{self.class.name}.write is deprecated.  See REXML::Formatters")
       formatter = if indent > -1
           if transitive
+            require "rexml/formatters/transitive"
             REXML::Formatters::Transitive.new( indent, ie_hack )
           else
             REXML::Formatters::Pretty.new( indent, ie_hack )
Index: lib/rexml/formatters/transitive.rb
===================================================================
--- lib/rexml/formatters/transitive.rb	(revision 13760)
+++ lib/rexml/formatters/transitive.rb	(working copy)
@@ -12,9 +12,10 @@
     # formatted.  Since this formatter does not alter whitespace nodes, the
     # results of formatting already formatted XML will be odd.
     class Transitive < Default
-      def initialize( indentation=2 )
+      def initialize( indentation=2, ie_hack=false )
         @indentation = indentation
         @level = 0
+        @ie_hack = ie_hack
       end
 
       protected
@@ -29,6 +30,7 @@
         output << "\n"
         output << ' '*@level
         if node.children.empty?
+          output << " " if @ie_hack
           output << "/" 
         else
           output << ">"