Added Object#blank? -- see http://redhanded.hobix.com/inspect/objectBlank.html...
Added Object#blank? -- see http://redhanded.hobix.com/inspect/objectBlank.html #783 [_why the lucky stiff] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@857 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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