Add utf8.upper / utf8.lower from UnicodeData.txt (alternative to the PR #2164) - #2468
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Ethjuro wants to merge 1 commit into
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Add utf8.upper / utf8.lower from UnicodeData.txt (alternative to the PR #2164)#2468Ethjuro wants to merge 1 commit into
Ethjuro wants to merge 1 commit into
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robotboy655
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Hi! Adds
utf8.upperandutf8.lowerso non-ascii characters can be cased correctly in the utf8 libraries.Alternative to PR #2164 , but the upper/lower tables are generated independently from UnicodeData.txt columns 12 and 13, rather than inverting one into the other. That sidesteps the ambiguous reverse-mapping issue CornerPin raised on PR #2164 (Σ -> σ vs ς, S -> s vs ſ, etc.), since each direction uses its canonical simple mapping straight from Unicode.
Simple case mappings only (UnicodeData.txt 17.0.0).