For all who experienced the compiler complaint about the
\newcommand{\checkmark}{\dingbat@sym{’104}}
Solution is to simply change the line in dingbat.sty into
\renewcommand{\checkmark}{\dingbat@sym{’104}}
addthis_url = ‘http%3A%2F%2Fhermeschris.edublogs.org%2F2006%2F12%2F06%2Flatex-dingbatssty-checkmark-problem%2F’;
addthis_title = ‘Latex%2C+dingbats.sty+%5Ccheckmark+problem’;
addthis_pub = ”;
