Please make sure to not just implement Unicode properties according to what you see in UCD files but to also follow the relevant documentation. For example, http://www.unicode.org/reports/tr24/
<http://www.unicode.org/reports/tr24/>Note also that Unicode 6.0 adds a new, provisional (=draft) property Script_Extensions, for which there is a proposed update to the above document: http://www.unicode.org/reports/tr24/proposed.html <http://www.unicode.org/reports/tr24/proposed.html>markus

