unicode

http://kunststube.net/encoding/

http://coding.smashingmagazine.com/2012/06/06/all-about-unicode-utf8-character-sets/

http://www.utf8everywhere.org/

http://nedbatchelder.com/text/unipain.html

http://habrahabr.ru/post/158895/

http://cppwhispers.blogspot.it/2012/11/unicode-and-your-application-2-of-n.html

http://blog.gatunka.com/2014/04/25/character-encodings-for-modern-programmers/

http://kunststube.net/encoding/

http://unicode.org/faq/utf_bom.html

http://www.joelonsoftware.com/articles/Unicode.html

http://triptico.com/docs/unicode.html

http://bjoern.hoehrmann.de/utf-8/decoder/dfa/

http://nedbatchelder.com/text/unipain.html

http://cppwhispers.blogspot.it/2013/01/unicode-and-your-application-5-of-5.html

http://nedbatchelder.com/text/unipain.html