diff --git a/src/ChangeLog.unicode b/src/ChangeLog.unicode
index 5ad49aa4b8b..e60f640e949 100644
--- a/src/ChangeLog.unicode
+++ b/src/ChangeLog.unicode
@@ -1,3 +1,8 @@
+2007-05-14  Kenichi Handa  <handa@m17n.org>
+
+	* character.c (Funibyte_string): New function.
+	(syms_of_character): Defsubr it.
+
 2007-05-01  Jason Rumney  <jasonr@gnu.org>
 
 	* w32term.c [USE_FONT_BACKEND]: