using meta tag and lang attribute for some element inside html page at the same time

[sedigh mohseni]

hi

i don't understand when can we use lang attribute for an element , i think while we can identify used language via meta tag , why and what is lang attribute used for?

thanks for your help

[Dormilich]

some infos about the lang attribute:
- http://www.w3.org/International/questions/qa-lang-why
- http://www.w3.org/TR/html401/struct/dirlang.html