Function Attr.specified
true if this attribute was explicitly given a value in the instance document,
false otherwise. If the application changed the value of this attribute
node (even if it ends up having the same value as the default value) then
it is set to true. The implementation may handle attributes with default
values from other schemas similarly but applications should use Document
to guarantee this information is up-to-date.
Prototype
bool specified() @property;
Authors
Lodovico Giaretta
Copyright
Copyright Lodovico Giaretta 2016 --