Select=document()book
File: Data.xml
title 1
author 1
author 1
author 1
title 3
author 1
title 4
author 1
author 2
author 3
author 4
File: Transform.xslt
Category:
Output:
title 1
Category:
Science
author 1
Category:
Children's Fiction
title 3
Category:
Children's Fiction
title 4
Category:
Computing