- s/{\\(em|it|bf)(?:\s+|{})([^{}]+)}/<emphasis>$2<\/emphasis>/g;
- s/\\(emph|textit|textbf){([^{}]+)}/<emphasis>$2<\/emphasis>/g;
- s/\\footnote{(.*)}/push_footnote($1)/e;
+ s/\{\\(em|it|bf)(?:\s+|\{\})([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
+ s/\\(emph|textit|textbf)\{([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
+ s/\\footnote\{(.*)\}/push_footnote($1)/e;