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+Thu Apr 10 19:29:48 2008 Akinori MUSHA <knu@iDaemons.org>
+
+ * array.c (rb_ary_first, rb_ary_last): Return a shared array when
+ possible.
+
+ * array.c (rb_ary_pop, rb_ary_pop_m, rb_ary_shift, rb_ary_shift_m):
+ Array#pop and Array#shift can take an optional argument
+ specifying the number of elements to remove and return;
+ backported from 1.9.
+
Thu Apr 10 14:00:44 2008 Tanaka Akira <akr@fsij.org>
* lib/resolv.rb (Resolv::DNS#each_address): backport from 1.9 for