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+Wed Oct 3 15:43:15 2007 Yukihiro Matsumoto <matz@ruby-lang.org>
+
+ * variable.c (rb_cvar_set): check whether class variable is
+ defined in superclasses. root classes have higher priority.
+ removes lower class variable entry from IV_TBL (if it's defined
+ in classes, not modules).
+
+ * variable.c (rb_cvar_get): ditto.
+
Wed Oct 3 10:06:53 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ruby.c (ruby_process_options): push frame with program name.