/// This is the Baltic part of the ISO/IEC 8859 encoding family. This encoding
/// is also known as Latin 7.
///
/// [Index visualization](https://encoding.spec.whatwg.org/iso-8859-13.html),
/// [Visualization of BMP coverage](https://encoding.spec.whatwg.org/iso-8859-13-bmp.html)
///
/// This encoding matches the Windows code page 28603, except Windows decodes
/// unassigned code points to the Private Use Area of Unicode.