html_escaping = {'"':'"', '&':'&', '<':'<', '>':'>'}
re_html_escaping = re.compile('|'.join(map(re.escape, html_escaping.keys())))
html_escaping = {'"':'"', '&':'&', '<':'<', '>':'>'}
re_html_escaping = re.compile('|'.join(map(re.escape, html_escaping.keys())))