CharMap

CharMap::decimal(203)->Unicode() = Ë CharMap::decimal(195 139)->UTF8() = Ë CharMap::decimal('&#203')->Numeric() = Ë CharMap::Named('&Euml') = Ë CharMap::decimal(203)->ISO() = Ë

CharMap::hex(U+00CB)->Unicode() = Ë CharMap::hex(C3 8B)->UTF8() = Ë CharMap::hex('&#xCB')->UTF8() = Ë CharMap::hex('CB)->ISO() = Ë

https://en.wikipedia.org/wiki/%C3%8B#Character_mappings