Import RDoc 2.2.1 r185

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19537 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rdoc/rdoc_markup_to_html_crossref_reference.rb

@@ -0,0 +1,31 @@
+#
+# This file is parsed by test_rdoc_markup_to_html_crossref.rb
+# during its tests.
+#
+class Ref_Class1
+end
+
+class Ref_Class2
+  class Ref_Class3
+    def method
+    end
+
+    class Helper1
+      def method?
+      end
+    end
+  end
+end
+
+class Ref_Class3
+  class Helper1
+  end
+
+  class Helper2
+  end
+end
+
+class Ref_Class4
+  class Ref_Class4
+  end
+end