1 MOVE Target
2 TO SourceFieldReference
2 PARENT
2 FIRSTCHILD
2 LASTCHILD
2 PREVIOUSSIBLING
2 NEXTSIBLING
2.1 %NAME clauses

NAME clauses

1? TYPE  Expression
1.1? NAMESPACE
1.1.1 Expression
1.1.1 *
1.1.2? NAME  Expression
1 IDENTITY  PathElement
1 REPEAT (1) 
1.1 TYPE
1.1 NAME
1.1 TYPE-NAME