'Section 3.1.1: The application MUST NOT export the original identifier
belonging to the application that created the document.'

def __replaceGenerator(self):

    for m in self.meta.childNodes[:]:
        if (m.qname == (METANS, u'generator')):
            self.meta.removeChild(m)
    self.meta.addElement(meta.Generator(text=TOOLSVERSION))
