I have report W3C Markup Validation Service
Errors found while checking this document as XHTML 1.0 Transitional!

Line 1, Column 1: character "" not allowed in prolog
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//E

Whare in ZC is file to edit HTML?

Byte-Order Mark found in UTF-8 File.
The Unicode Byte-Order Mark (BOM) in UTF-8 encoded files is known to cause problems for some text editors and older browsers. You may want to consider avoiding its use until it is better supported.

Hay to edit UTF-8 (BOM) in UTF-8?