Fixing regression from block delimiter enhancement

lib/liquid/block.rb

@@ -5,11 +5,6 @@ module Liquid
     TAGSTART = "{%".freeze
     VARSTART = "{{".freeze
 
-    def initialize(tag_name, markup, options)
-      super
-      @block_delimiter = "end#{tag_name}"
-    end 
-
     def blank?
       @blank
     end
@@ -30,7 +25,7 @@ module Liquid
 
               # if we found the proper block delimiter just end parsing here and let the outer block
               # proceed
-              if @block_delimiter == $1
+              if block_delimiter == $1
                 end_tag
                 return
               end
@@ -100,6 +95,10 @@ module Liquid
       @tag_name
     end
 
+    def block_delimiter
+      @block_delimiter ||= "end#{block_name}"
+    end
+
     def create_variable(token)
       token.scan(ContentOfVariable) do |content|
         return Variable.new(content.first, @options)

lib/liquid/tags/raw.rb

@@ -8,7 +8,7 @@ module Liquid
       while token = tokens.shift
         if token =~ FullTokenPossiblyInvalid
           @nodelist << $1 if $1 != "".freeze
-          if @block_delimiter == $2
+          if block_delimiter == $2
             end_tag
             return
           end