Kall is most certainly correct. Having been a Personal Assistant to a Managing Director of a rather large company in Britain for over 7 years, one of my training packages was in the art of the English language.
Your apostrophe in "it's" is indeed misplaced as then your statement would be read as "Everything else is copyright to it is creator" instead of "Everything is copyright to its creator."
Your apostrophe in "it's" is indeed misplaced as then your statement would be read as "Everything else is copyright to it is creator" instead of "Everything is copyright to its creator."
Comment