2 files changed, 8 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/routing.rb b/actionpack/lib/action_dispatch/routing.rb
index 38a0270151..29090882a5 100644
--- a/actionpack/lib/action_dispatch/routing.rb
+++ b/actionpack/lib/action_dispatch/routing.rb
@@ -1,3 +1,4 @@
+# encoding: UTF-8
 require 'active_support/core_ext/object/to_param'
 require 'active_support/core_ext/regexp'
 
@@ -218,6 +219,12 @@ module ActionDispatch
   #
   #   match "/stories" => redirect("/posts")
   #
+  # == Unicode character routes
+  #
+  # You can specify unicode character routes in your router:
+  #
+  #   match "こんにちは" => "welcome#index"
+  #
   # == Routing to Rack Applications
   #
   # Instead of a String, like <tt>posts#index</tt>, which corresponds to the
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 25d099d83e..94242ad962 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -1387,7 +1387,7 @@ module ActionDispatch
             options[:as] = name_for_action(options[:as], action)
           end
 
-          mapping = Mapping.new(@set, @scope, path, options)
+          mapping = Mapping.new(@set, @scope, URI.parser.escape(path), options)
           app, conditions, requirements, defaults, as, anchor = mapping.to_route
           @set.add_route(app, conditions, requirements, defaults, as, anchor)
         end