Feature #4280: SJIS should be an alias of Windows-31J, not of Shift_JIS
http://redmine.ruby-lang.org/issues/show/4280

ɼ???: Usaku NAKAMURA
?????????: Assigned, ?????: Low
???????: Yui NARUSE, Target version: 1.9.x

Ruby???encoding????????SJIS????????????????????????????????????人??Shift_JIS???Windows-31J???????????????????????????????????????????????
??????????????1.8?????$KCODE="sjis"???Windows-31J??対????????????????????????????????????????SJIS???Shift_JIS??????Windows-31J???alias???????????????????????????????


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