COMMIT Math.log{2}: improve specs for Ruby 1.9	http://github.com/rubyspec/rubyspec/commit/70050784ffc70c7bf2dffb7385b7192dbd582521

===================================================================
+++ 20100620T095008
@@ 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: 28363
 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: svn
@@ 15439 @@
 - returns the natural logarithm of the argument
 - raises an Errno::EDOM if the argument is less than 0
 - raises an ArgumentError if the argument cannot be coerced with Float()
+- accepts numerical values as string
 - raises a TypeError if the argument is nil
 - accepts any argument that can be coerced with Float()
 
@@ 36202 @@
 
 Finished in <t> seconds
 
+3204 files, 13279 examples, <num> expectations, 70 failures, 72 errors
 exit 1
 failed(rubyspec)
 == end # <time>

===================================================================
--- 20100619T094655
@@ 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: 28362
 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: svn
@@ 36201 @@
 
 Finished in <t> seconds
 
-3204 files, 13278 examples, <num> expectations, 70 failures, 72 errors
 exit 1
 failed(rubyspec)
 == end # <time>