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+Mon Sep 2 23:46:29 2013 Akinori MUSHA <knu@iDaemons.org>
+
+ * numeric.c (num_step): Default the limit argument to infinity and
+ allow it to be omitted. Keyword arguments (by: and to:) are
+ introduced for ease of use. [Feature #8838] [ruby-dev:47662]
+ [ruby-dev:42194]
+
+ * numeric.c (num_step): Optimize for infinite loop.
+
Mon Sep 2 23:46:10 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (parser_str_options): use valid suffix word only, as well as