<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns:xdb="http://www.borland.com/schemas/delphi/7.0/XMLDataBinding">
  <xs:element name="books" type="booksType"/>
  
  <xs:complexType name="booksType">
    <xs:sequence>
      <xs:element name="book" type="bookType"  maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="sometext" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="bookType">
    <xs:sequence>
      <xs:element name="title" type="xs:string"/>
      <xs:element name="author" type="xs:string" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:schema>