*/
protected boolean validateTransparency(PDPage page, DocumentHandler handler,
List<ValidationError> result) throws ValidationException {
PDResources resources = page.getResources();
COSDocument cDoc = handler.getDocument().getDocument();
ExtGStateContainer extGStates = new ExtGStateContainer(resources
.getCOSDictionary(), cDoc);
return extGStates.validateTransparencyRules(result);
// ---- Even if a Group entry is possible in the Page dictionary, No
// restrictions are defined by PDF/A
}