COMMIT replace tab indention with default 2 space indention	http://github.com/rubyspec/rubyspec/commit/15635b5992afab685117f843a5b6aaac50cbf11d
COMMIT new spec: Kernel#Array tries to call #to_a on the given argument if #to_ary is provided and it returns nil	http://github.com/rubyspec/rubyspec/commit/0b5e81df521c997a22cc87655a52712bcc0bc0d1

===================================================================
+++ 20100805T095324
@@ 12 @@
 URL: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8
 リポジトリのルート: http://svn.ruby-lang.org/repos/ruby
 リポジトリ UUID: b2dd03c8-39d4-4d8f-98ff-823fe69b080e
+リビジョン: 28860
 ノード種別: ディレクトリ
 準備中の処理: 特になし
 最終変更者: usa
@@ 13841 @@
 - does not call #to_ary on an Array
 - tries to call #to_ary on the given argument if it's not an Array
 - does not call #to_a on an Array
+- tries to call #to_a on the given argument if #to_ary is provided and it returns nil
 - tries to call #to_a on the given argument if #to_ary is not provided
 - returns an array with the given argument if neither #to_ary nor #to_a are provided
 - returns an empty array if the given argument is nil
@@ 36598 @@
 
 Finished in <t> seconds
 
+3220 files, 13622 examples, <num> expectations, 67 failures, 71 errors
 exit 1
 failed(rubyspec)
 == end # <time>

===================================================================
--- 20100804T094237
@@ 12 @@
 URL: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8
 リポジトリのルート: http://svn.ruby-lang.org/repos/ruby
 リポジトリ UUID: b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-リビジョン: 28849
 ノード種別: ディレクトリ
 準備中の処理: 特になし
 最終変更者: usa
@@ 36597 @@
 
 Finished in <t> seconds
 
-3220 files, 13621 examples, <num> expectations, 67 failures, 71 errors
 exit 1
 failed(rubyspec)
 == end # <time>