question: compare two locales , and return true if the parent is a ` strict ' fallback of the child parent string is a fallback of child string . concode_field_sep PlaceHolder placeHolder concode_field_sep Locale getLocaleFromName concode_elem_sep Locale fallback
target: boolean function ( Locale arg0 , Locale arg1 ) { return isFallbackOf ( arg0 . toString ( ) , arg1 . toString ( ) ) ; }