Unicode, UTF-8 blah.. blah..

Following blogs might complete the story..

http://kunststube.net/encoding/

https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-character-sets-no-excuses/

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