diff --git a/ChangeLog b/ChangeLog
index 85975bd571..d2de379414 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jan 11 10:24:03 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/rdoc/options.rb ():
+
 Thu Jan 10 10:53:50 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* win32/win32.c (rb_w32_open_osfhandle): reverted to old definition.
diff --git a/lib/rdoc/options.rb b/lib/rdoc/options.rb
index bea7e6bdcd..7e35abdb0b 100644
--- a/lib/rdoc/options.rb
+++ b/lib/rdoc/options.rb
@@ -544,7 +544,7 @@ class Options
   # so we'll bypass the test under Windows
 
   def check_diagram
-    return if RUBY_PLATFORM =~ /win/
+    return if RUBY_PLATFORM =~ /mswin|cygwin|mingw|bccwin/
 
     ok = false
     ver = nil
diff --git a/version.h b/version.h
index 529f06a2c7..1e02ee5539 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.8.6"
-#define RUBY_RELEASE_DATE "2008-01-10"
+#define RUBY_RELEASE_DATE "2008-01-11"
 #define RUBY_VERSION_CODE 186
-#define RUBY_RELEASE_CODE 20080110
+#define RUBY_RELEASE_CODE 20080111
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 6
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 10
+#define RUBY_RELEASE_DAY 11
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];