3 files changed, 4 insertions, 4 deletions
diff --git a/actionpack/lib/action_controller/caching/actions.rb b/actionpack/lib/action_controller/caching/actions.rb
index 667ba15cc9..f988de39dd 100644
--- a/actionpack/lib/action_controller/caching/actions.rb
+++ b/actionpack/lib/action_controller/caching/actions.rb
@@ -38,7 +38,7 @@ module ActionController #:nodoc:
     # <tt>:action => 'lists'</tt> is not the same as
     # <tt>:action => 'list', :format => :xml</tt>.
     #
-    # You can set modify the default action cache path by passing a
+    # You can modify the default action cache path by passing a
     # <tt>:cache_path</tt> option. This will be passed directly to
     # <tt>ActionCachePath.path_for</tt>. This is handy for actions with
     # multiple possible routes that should be cached differently. If a
@@ -175,7 +175,7 @@ module ActionController #:nodoc:
       private
         def normalize!(path)
           path << 'index' if path[-1] == ?/
-          path << ".#{extension}" if extension and !path.ends_with?(extension)
+          path << ".#{extension}" if extension and !path.split('?').first.ends_with?(".#{extension}")
           URI.parser.unescape(path)
         end
       end
diff --git a/actionpack/lib/action_controller/caching/pages.rb b/actionpack/lib/action_controller/caching/pages.rb
index 496390402b..957bb7de6b 100644
--- a/actionpack/lib/action_controller/caching/pages.rb
+++ b/actionpack/lib/action_controller/caching/pages.rb
@@ -122,7 +122,7 @@ module ActionController #:nodoc:
 
         if options.is_a?(Hash)
           if options[:action].is_a?(Array)
-            options[:action].dup.each do |action|
+            options[:action].each do |action|
               self.class.expire_page(url_for(options.merge(:only_path => true, :action => action)))
             end
           else
diff --git a/actionpack/lib/action_controller/caching/sweeping.rb b/actionpack/lib/action_controller/caching/sweeping.rb
index 938a6ae81c..49cf70ec21 100644
--- a/actionpack/lib/action_controller/caching/sweeping.rb
+++ b/actionpack/lib/action_controller/caching/sweeping.rb
@@ -88,7 +88,7 @@ module ActionController #:nodoc:
           end
 
           def method_missing(method, *arguments, &block)
-            return if @controller.nil?
+            return unless @controller
             @controller.__send__(method, *arguments, &block)
           end
       end