3 files changed, 6 insertions, 1 deletions
diff --git a/lib/irb/lc/error.rb b/lib/irb/lc/error.rb
index 742821e3af..57872ec65e 100644
--- a/lib/irb/lc/error.rb
+++ b/lib/irb/lc/error.rb
@@ -10,6 +10,7 @@
 #
 require "e2mmap"
 
+# :stopdoc:
 module IRB
 
   # exceptions
@@ -26,4 +27,4 @@ module IRB
   def_exception :UndefinedPromptMode, "Undefined prompt mode(%s)."
 
 end
-
+# :startdoc:
diff --git a/lib/irb/lc/ja/encoding_aliases.rb b/lib/irb/lc/ja/encoding_aliases.rb
index a713dff4be..5bef32e20e 100644
--- a/lib/irb/lc/ja/encoding_aliases.rb
+++ b/lib/irb/lc/ja/encoding_aliases.rb
@@ -1,3 +1,4 @@
+# :stopdoc:
 module IRB
   class Locale
     @@legacy_encoding_alias_map = {
@@ -6,3 +7,4 @@ module IRB
     }.freeze
   end
 end
+# :startdoc:
diff --git a/lib/irb/lc/ja/error.rb b/lib/irb/lc/ja/error.rb
index 9a7670f459..16a9138938 100644
--- a/lib/irb/lc/ja/error.rb
+++ b/lib/irb/lc/ja/error.rb
@@ -10,6 +10,7 @@
 #
 require "e2mmap"
 
+# :stopdoc:
 module IRB
   # exceptions
   extend Exception2MessageMapper
@@ -24,4 +25,5 @@ module IRB
   def_exception :CantChangeBinding, 'バインディング(%s)に変更できません.'
   def_exception :UndefinedPromptMode, 'プロンプトモード(%s)は定義されていません.'
 end
+# :startdoc:
 # vim:fileencoding=utf-8