Acknowledgements: libuna

Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com>

This code is derived from information and software contributed by:
* Unicode string conversion
  http://unicode.org
* libiconv
  http://www.gnu.org/software/libiconv/
* ISO-8859 codepages
  http://www.ecma-international.org/publications/standards/Standard.htm
* Windows codepages
  http://msdn.microsoft.com/en-us/goglobal/bb964654

