Alex Crichton 8cfc93f1db Rollup merge of #40833 - Wallacoloo:doc_to_uppercase_typo, r=steveklabnik
Fix typo in char::to_uppercase documentation

Original documentation appears to have been copied from `char::to_lowercase` in a manner that made it imply that `char::to_uppercase` actually mapped unicode characters to their **lowercase** equivalent.
2017-03-27 15:56:25 -07:00
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2017-03-25 11:03:06 -03:00