+2013-04-20 MORIOKA Tomohiko <tomo.git@chise.org>
+
+ * cos.h (cos_Qcomposition): New variable.
+ (COS_NIL): New macro.
+ (COS_T): New macro.
+ (COS_COMPOSITION): New macro.
+
+ * symbol.c (cos_string_ent_composition): New variable.
+ (cos_symbol_ent_composition): New variable.
+ (cos_Qcomposition): New variable.
+ (cos_intern): Setup `composition'.
+
+2013-04-20 MORIOKA Tomohiko <tomo.git@chise.org>
+
+ * symbol.c (cos_release_symbol): Add check for builtin symbols.
+
+2013-04-19 MORIOKA Tomohiko <tomo.git@chise.org>
+
+ * concord.h (CONCORD_Genre_Table): Revived as an alias of
+ `COS_Genre_ent'.
+
2013-04-18 MORIOKA Tomohiko <tomo.git@chise.org>
* symbol.c (cos_retain_symbol): Don't use `cos_retain_object'