<simple_latin_letter xmlns="http://www.sqlparser.com/xml/ansi2003"> <simple_latin_upper_case_letter>{1,1}</simple_latin_upper_case_letter> <simple_latin_lower_case_letter>{1,1}</simple_latin_lower_case_letter> </simple_latin_letter>
<xs:element name="simple_latin_letter"> <xs:complexType> <xs:choice> <xs:element ref="simple_latin_upper_case_letter"/> <xs:element ref="simple_latin_lower_case_letter"/> </xs:choice> </xs:complexType> </xs:element>