Converts an encoded entity to a unicode character. The entity may be either: - a numeric character reference (eg "á" for 'á'), or - a named ISO8859-1/15 (Latin 1/9) entity (eg "ß" for 'ß').
entity content to convert; trailing '&' and terminating ';' are expected
the unicode character or InvalidUnicode on failure
See Implementation
Converts an encoded entity to a unicode character. The entity may be either: - a numeric character reference (eg "á" for 'á'), or - a named ISO8859-1/15 (Latin 1/9) entity (eg "ß" for 'ß').