Are you saying that dafont does not support them, but the font is the support?

Hi
How is it possible that when I look at the preview window, I see the Polish diacritics. When I open the details and look at an array of characters, I can see that this font does not supports diacritics for my country?

Sample:
http://www.dafont.com/kg-les-bouquinistes-de-paris.font?text=%26%23346%3B%26%23377%3B%26%23262%3B%26%23260%3B%26%23346%3B%26%23280%3B%26%23321%3B&l[]=10&l[]=1&l[]=6&back=theme