Take into account i.n as reference (when used in templates)

            text_elems = run.xpath('.//w:t', namespaces=ns)

            for text_elem in text_elems:

                if text_elem.text:

                    if re.match(r'\[\d+\]', text_elem.text) or re.match(r'\[i\.\d+\]', text_elem.text):

                    if re.match(r'\[\d+\]', text_elem.text) or re.match(r'\[i\.\d+\]', text_elem.text) or re.match(r'\[i\.n\]', text_elem.text):

                        reference_run = run

                        break