"\r\n\r\nThe ISO character set\r\n\r\n

Each ISO character has its own value, except that lowercase\r\ncharacters are translated to uppercase. Two characters that have no\r\nuppercase equivalent are:

    \r\n
  • German small sharp s (\xDF - 0xDF)
  • \r\n
  • Lowercase y diaeresis/umlaut (\xFF - 0xFF)
  • \r\n

\r\n
\r\n
"