def escape(self, s: str) -> str:
    'Return a string with Texinfo command characters escaped.'
    s = s.replace('@', '@@')
    s = s.replace('{', '@{')
    s = s.replace('}', '@}')
    s = s.replace('``', '`@w{`}')
    s = s.replace("''", "'@w{'}")
    return s
Return a string with Texinfo command characters escaped.
def escape(self, s: str) -> str:
    
    s = s.replace('@', '@@')
    s = s.replace('{', '@{')
    s = s.replace('}', '@}')
    s = s.replace('``', '`@w{`}')
    s = s.replace(, "'@w{'}")
    return s