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→{{header|Ruby}}: Use correct list of methods.
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=={{header|Ruby}}==
Ruby's built-in sort methods (Array#sort, Array#sort!, Array#sort_by!, Enumerable#sort and Enumerable#sort_by) are not stable. [[MRI]] uses [[Sorting algorithms/Quicksort|quicksort]], which is not stable [http://groups.google.com/group/comp.lang.ruby/msg/2a6c50d173a902da
{{works with|MRI|1.8.7, 1.9.2}}
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