diff --git a/ChangeLog b/ChangeLog
index 2e409a8423..997d7a9c0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat May  5 16:26:33 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/date/format.rb (Format::Bag#method_missing): get rid of
+	  modifying orginal argument.  [ruby-core:11090]
+
 Thu May  3 22:20:08 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in, defines.h, eval_load.c (rb_feature_p, rb_provided,
diff --git a/lib/date/format.rb b/lib/date/format.rb
index e0edb45720..723aa6713a 100644
--- a/lib/date/format.rb
+++ b/lib/date/format.rb
@@ -118,7 +118,7 @@ class Date
       end
 
       def method_missing(t, *args, &block)
-	t = t.to_s
+	t = "#{t}"
 	set = t.chomp!('=')
 	t = t.intern
 	if set
diff --git a/version.h b/version.h
index 5ea5aaa1b8..de3d35f72a 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-05-03"
+#define RUBY_RELEASE_DATE "2007-05-05"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20070503
+#define RUBY_RELEASE_CODE 20070505
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 3
+#define RUBY_RELEASE_DAY 5
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];