/// This is the Greek encoding for Windows. It is mostly an extension of
/// ISO-8859-7, but U+0386 is mapped to a different byte.
///
/// [Index visualization](https://encoding.spec.whatwg.org/windows-1253.html),
/// [Visualization of BMP coverage](https://encoding.spec.whatwg.org/windows-1253-bmp.html)
///
/// This encoding matches the Windows code page 1253, except Windows decodes
/// unassigned code points to the Private Use Area of Unicode.