Represents a top-level query expression.
An Expr is the top-level expression which is defined in
terms of an OrExpr. This means that every Expr is an
OrExpr and vice versa.
It corresponds to the expression Expr defined in XPath,
Section 3.1, Rule
14.
All examples in the expression reference section use expressions in the
sense of Expr.
OrExpr |
Argument |