S = (r'foo' '\n'
     r'double-only"' '\n'
     r"single-only'" '\n'
     r"mix'ed" r'"' '\n'
     "\r\n"
     r'one line')

S = (r'foo' '\n'
     r'double-only"' '\n'
     r"single-only'" '\n'
     r"mix'ed" r'"' '\n'
     "\r\n"
     r'one line')
