scan_re = re.compile(r"""(?:
# Styles and formatting ("--" must cling to a word to disambiguate it from the dash)
(?P<b> \*\* | // | \#\# | __ | --\b | \b-- | \^\^ | ,, | ''' | '' | `` )
scan_re = re.compile(r"""(?:
# Styles and formatting ("--" must cling to a word to disambiguate it from the dash)
(?P<b> \*\* | // | \#\# | __ | --\b | \b-- | \^\^ | ,, | ''' | '' | `` )