diff --git a/ChangeLog b/ChangeLog
index f0f7bb42a4..4f6b92c619 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,13 @@ Thu Feb 21 14:49:40 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 	* io.c (argf_set_encoding): uses current_file after check if next
 	  input is available.
 
+Thu Feb 21 14:13:38 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* io.c (rb_f_putc): invoke stdout method so that redefining putc
+	  may take effect.   [ruby-talk:291844]
+
+	* io.c (rb_f_puts): ditto.
+
 Thu Feb 21 11:10:49 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* string.c: replace rb_enc_copy by rb_enc_cr_str_copy or
diff --git a/io.c b/io.c
index 61cfa97b83..2501fd9ae8 100644
--- a/io.c
+++ b/io.c
@@ -4470,7 +4470,7 @@ rb_io_putc(VALUE io, VALUE ch)
 static VALUE
 rb_f_putc(VALUE recv, VALUE ch)
 {
-    return rb_io_putc(rb_stdout, ch);
+    return rb_funcall2(rb_stdout, rb_intern("putc"), 1, &ch);
 }
 
 static VALUE
@@ -4549,8 +4549,7 @@ rb_io_puts(int argc, VALUE *argv, VALUE out)
 static VALUE
 rb_f_puts(int argc, VALUE *argv)
 {
-    rb_io_puts(argc, argv, rb_stdout);
-    return Qnil;
+    return rb_funcall2(rb_stdout, rb_intern("puts"), argc, argv);
 }
 
 void
diff --git a/version.h b/version.h
index 488ea7da11..f1613d5e85 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2008-02-21"
+#define RUBY_RELEASE_DATE "2008-02-20"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20080221
+#define RUBY_RELEASE_CODE 20080220
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 2
-#define RUBY_RELEASE_DAY 21
+#define RUBY_RELEASE_DAY 20
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];