2007/12/9, Greg Babic <greg_babic at yahoo.com.au>: > \renewcommand{\ordscript}[1]{\textsuperscript{#1}} Try \renewcommand*{\ordscript}[1]{\protect\textsuperscript{#1}} And please read http://www.chiark.greenend.org.uk/~sgtatham/bugs.html Best Martin