Do not attempt downcasing first when case-folding a `Char`#13542

Merged

straight-shoota merged 2 commits intocrystal-lang:masterfrom HertzDevil:bug/downcase-fold

Jun 6, 2023

Commits on Jun 2, 2023

Do not attempt downcasing before case-folding
HertzDevil
committed

Commits on Jun 5, 2023

add missing specs
HertzDevil
committed