diff --git a/include/ChangeLog b/include/ChangeLog
index e8d9a028c..671bee394 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2008-10-06  Jason Merrill  <jason@redhat.com>
+
+	* demangle.h (enum demangle_component_type): Add
+	DEMANGLE_COMPONENT_PACK_EXPANSION.
+
 2008-09-24  Richard Henderson  <rth@redhat.com>
 
 	* elf/dwarf2.h (DW_OP_GNU_encoded_addr): New.
diff --git a/include/demangle.h b/include/demangle.h
index 146d778e0..0ea639d62 100644
--- a/include/demangle.h
+++ b/include/demangle.h
@@ -372,7 +372,9 @@ enum demangle_component_type
   /* A name formed by a single character.  */
   DEMANGLE_COMPONENT_CHARACTER,
   /* A decltype type.  */
-  DEMANGLE_COMPONENT_DECLTYPE
+  DEMANGLE_COMPONENT_DECLTYPE,
+  /* A pack expansion.  */
+  DEMANGLE_COMPONENT_PACK_EXPANSION
 };
 
 /* Types which are only used internally.  */