3 files changed, 11 insertions, 7 deletions
diff --git a/actionpack/lib/action_view/template/handler.rb b/actionpack/lib/action_view/template/handler.rb
index 221d1bd5c5..8ecc911519 100644
--- a/actionpack/lib/action_view/template/handler.rb
+++ b/actionpack/lib/action_view/template/handler.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/class/inheritable_attributes"
 require "action_dispatch/http/mime_type"
+require 'active_support/core_ext/class/attribute'
 
 # Legacy TemplateHandler stub
 module ActionView
@@ -23,7 +23,7 @@ module ActionView
     end
 
     class Template::Handler
-      extlib_inheritable_accessor :default_format
+      class_attribute :default_format
       self.default_format = Mime::HTML
 
       def self.call(template)
diff --git a/actionpack/lib/action_view/template/handlers/erb.rb b/actionpack/lib/action_view/template/handlers/erb.rb
index 93a4315108..4573a440d1 100644
--- a/actionpack/lib/action_view/template/handlers/erb.rb
+++ b/actionpack/lib/action_view/template/handlers/erb.rb
@@ -6,7 +6,7 @@ module ActionView
   module Template::Handlers
     class Erubis < ::Erubis::Eruby
       def add_preamble(src)
-        src << "@output_buffer = ActionView::SafeBuffer.new;"
+        src << "@output_buffer = ActiveSupport::SafeBuffer.new;"
       end
 
       def add_text(src, text)
@@ -15,7 +15,11 @@ module ActionView
       end
 
       def add_expr_literal(src, code)
-        src << '@output_buffer << ((' << code << ').to_s);'
+        if code =~ /\s*raw\s+(.*)/
+          src << "@output_buffer.safe_concat((" << $1 << ").to_s);"
+        else
+          src << '@output_buffer << ((' << code << ').to_s);'
+        end
       end
 
       def add_expr_escaped(src, code)
diff --git a/actionpack/lib/action_view/template/resolver.rb b/actionpack/lib/action_view/template/resolver.rb
index 340a6afe5e..6878067f7c 100644
--- a/actionpack/lib/action_view/template/resolver.rb
+++ b/actionpack/lib/action_view/template/resolver.rb
@@ -1,5 +1,6 @@
 require "pathname"
 require "active_support/core_ext/class"
+require "active_support/core_ext/array/wrap"
 require "action_view/template"
 
 module ActionView
@@ -11,7 +12,7 @@ module ActionView
 
     def self.register_detail(name, options = {})
       registered_details[name] = lambda do |val|
-        val ||= yield
+        val = Array.wrap(val || yield)
         val |= [nil] unless options[:allow_nil] == false
         val
       end
@@ -141,8 +142,7 @@ module ActionView
     end
   end
 
-  # OMG HAX
-  # TODO: remove hax
+  # TODO: remove hack
   class FileSystemResolverWithFallback < Resolver
     def initialize(path, options = {})
       super(options)