/// This is the Cyrillic part of the ISO/IEC 8859 encoding family.
///
/// [Index visualization](https://encoding.spec.whatwg.org/iso-8859-5.html),
/// [Visualization of BMP coverage](https://encoding.spec.whatwg.org/iso-8859-5-bmp.html)
///
/// This encoding matches the Windows code page 28595.