def escape_arg(self, s: str) -> str:
    'Return an escaped string suitable for use as an argument\n        to a Texinfo command.'
    s = self.escape(s)
    s = s.replace(',', '@comma{}')
    s = ' '.join(s.split()).strip()
    return s
Return an escaped string suitable for use as an argument
to a Texinfo command.
def escape_arg(self, s: str) -> str:
    'Return an escaped string suitable for use as an argument\n        to a Texinfo command.'
    s = self.escape(s)
    s = s.replace(',', '@comma{}')
    s = ' '.join(s.split()).strip()
    return s