public boolean isValidating() {
        return getFeature (XmlPullParser.FEATURE_VALIDATION);
    }
Indicates whether or not the factory is configured to produce parsers
which validate the XML content during parse.

@return   true if the factory is configured to produce parsers
which validate the XML content during parse; false otherwise.
xpatch/src/main/java/wind/v1/XmlPullParserFactory.java