Windows-1254
Windows -1254 is an 8 -bit character encoding of the Microsoft Windows operating system that supports most Western European languages and Turkish. It is based on ISO 8859-9 ( Latin -5).
Windows -1254 is also registered with the IANA and accepted inter alia CP1254 as a synonym.
This corresponds to the difference between ISO 8859-9 and ISO 8859-1, except that there is always the range 0x80 - 9F, so together Ž and ž unoccupied. The lost characters are required, inter alia, for Icelandic.