Quantified Expressions
The expression some $x in E1 satisfies E2
returns true if there is an item in
the sequence E1
for which the effective boolean value of
E2
is true. Note that E2
must use the range variable
$x
to refer to the item being tested; it does not become the context item.
For example, some $x in @* satisfies $x eq ""
is true if the context item is
an element that has at least one zero-length attribute value.
Similarly, the expression every $x in E1 satisfies E2
returns true if every
item in the sequence given by E1
satisfies the condition.