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* doc/case_mapping.rdoc: Fix references for case mappingYusuke Endoh2022-06-091-2/+2
| | | | | | | | The chart (https://www.unicode.org/charts/case) that is currently referred seems to be wrong. Also, use the "latest" redirect and add titles of the section and table. [Bug #18590]
* Enhanced RDoc for case mapping (#5245)Burdette Lamar2021-12-171-0/+116
Adds file doc/case_mapping.rdoc, which describes case mapping and provides a link target that methods doc can link to. Revises: String#capitalize String#capitalize! String#casecmp String#casecmp? String#downcase String#downcase! String#swapcase String#swapcase! String#upcase String#upcase! Symbol#capitalize Symbol#casecmp Symbol#casecmp? Symbol#downcase Symbol#swapcase Symbol#upcase