diff --git a/ChangeLog b/ChangeLog
index d4f0b7e407..5ba062de73 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Nov 16 11:16:41 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/yaml/rubytypes.rb (String#is_binary_data?): use Integer#fdiv.
+
 Fri Nov 16 03:36:01 2007  why the lucky stiff  <why@ruby-lang.org>
 
 	* ext/syck/rubyext.c: Node#value defined twice.
diff --git a/lib/yaml/rubytypes.rb b/lib/yaml/rubytypes.rb
index dc6bb3359f..35b719196e 100644
--- a/lib/yaml/rubytypes.rb
+++ b/lib/yaml/rubytypes.rb
@@ -143,7 +143,7 @@ class String
         to_yaml_style or not to_yaml_properties.empty? or self =~ /\n.+/
     end
     def is_binary_data?
-        ( self.count( "^ -~", "^\r\n" ) / self.size > 0.3 || self.count( "\x00" ) > 0 ) unless empty?
+        ( self.count( "^ -~", "^\r\n" ).fdiv(self.size) > 0.3 || self.index( "\x00" ) ) unless empty?
     end
     def String.yaml_new( klass, tag, val )
         val = val.unpack("m")[0] if tag == "tag:yaml.org,2002:binary"
diff --git a/version.h b/version.h
index fb1ffd5254..6b99613005 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-11-15"
+#define RUBY_RELEASE_DATE "2007-11-16"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20071115
+#define RUBY_RELEASE_CODE 20071116
 #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 11
-#define RUBY_RELEASE_DAY 15
+#define RUBY_RELEASE_DAY 16
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];