In XMLExtract and
        XMLXPathReader you can
        validate your input XML files by specifying the Xml
        features attribute. It is expressed as a sequence of
        individual expressions of one of the following form:
        nameM:=true or nameN:=false,
        where each nameM is an XML feature that should be
        validated. These expressions are separated from each other by
        semicolon.
The options for validation are the following:
Custom parser setting
Default parser setting
No validations
All validations
You can define this attribute using the following dialog:
In this dialog, you can add features with the help of
         button, select their
        true or false values,
        etc.