Update 1.8.7 rexml to latest.

lib/ruby/1.8/rexml/document.rb

@@ -213,16 +213,18 @@ def Document::entity_expansion_limit
       return @@entity_expansion_limit
     end
 
-    @@entity_expansion_text_limit = 10_240
-
     # Set the entity expansion limit. By default the limit is set to 10240.
+    #
+    # Deprecated. Use REXML.entity_expansion_text_limit= instead.
     def Document::entity_expansion_text_limit=( val )
-      @@entity_expansion_text_limit = val
+      REXML.entity_expansion_text_limit = val
     end
 
     # Get the entity expansion limit. By default the limit is set to 10000.
+    #
+    # Deprecated. Use REXML.entity_expansion_text_limit instead.
     def Document::entity_expansion_text_limit
-      return @@entity_expansion_text_limit
+      return REXML.entity_expansion_text_limit
     end
 
     attr_reader :entity_expansion_count

lib/ruby/1.8/rexml/rexml.rb

@@ -29,4 +29,16 @@ module REXML
 
   Copyright = COPYRIGHT
   Version = VERSION
+
+  @@entity_expansion_text_limit = 10_240
+
+  # Set the entity expansion limit. By default the limit is set to 10240.
+  def self.entity_expansion_text_limit=( val )
+    @@entity_expansion_text_limit = val
+  end
+
+  # Get the entity expansion limit. By default the limit is set to 10240.
+  def self.entity_expansion_text_limit
+    return @@entity_expansion_text_limit
+  end
 end

lib/ruby/1.8/rexml/text.rb

@@ -1,3 +1,4 @@
+require 'rexml/rexml'
 require 'rexml/entity'
 require 'rexml/doctype'
 require 'rexml/child'
@@ -311,7 +312,7 @@ def Text::unnormalize( string, doctype=nil, filter=nil, illegal=nil )
       sum = 0
       string.gsub( /\r\n?/, "\n" ).gsub( REFERENCE ) {
         s = Text.expand($&, doctype, filter)
-        if sum + s.bytesize > Document.entity_expansion_text_limit
+        if sum + s.bytesize > REXML.entity_expansion_text_limit
           raise "entity expansion has grown too large"
         else
           sum += s.bytesize
@@ -338,6 +339,5 @@ def Text.expand(ref, doctype, filter)
         entity_value ? entity_value.value : ref
       end
     end
-
   end
 end