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+Mon Dec 31 19:35:20 2007 Tanaka Akira <akr@fsij.org>
+
+ * string.c (IS_7BIT): removed.
+ (single_byte_optimizable): new function to test optimizationability
+ using single byte string.
+ (str_strlen): use single_byte_optimizable instead of
+ is_ascii_string.
+ (str_nth): rename argument: asc -> singlebyte.
+ (str_offset): ditto.
+ (rb_str_substr): use single_byte_optimizable instead of IS_7BIT.
+ (rb_str_index): ditto.
+ (rb_str_rindex): ditto.
+ (rb_str_splice): ditto.
+ (rb_str_justify): ditto.
+
Mon Dec 31 07:39:31 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* main.c, goruby.c (RUBY_MAIN_INIT): removed.