Utf8Proc.lowercase(): add 'normalize' option (#1458)
Utf8Proc.lowercase(): add 'normalize' option (#1458)


Frenzie/koreader-base,Frenzie/koreader-base,koreader/koreader-base,NiLuJe/koreader-base,Frenzie/koreader-base,koreader/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,NiLuJe/koreader-base,NiLuJe/koreader-base,koreader/koreader-base