<?xml version="1.0" encoding="UTF-8"?>
<exercise>
   <!-- EXERCISE 3 -->
   <!-- Configure Parabola regular expressions -->
   
   <!-- Prob. 1: configure Parabola -->
   <!-- As with exercise 3, configure the following parameters that call for regular expressions. You
      may do the configuration either in the master file or your configuration file.
         * $div-types-must-match-regex
         * $div-types-must-not-match-regex
         * $level-1-div-ns-must-match-regex
         * $level-1-div-ns-must-not-match-regex
         * $leaf-div-refs-must-match-regex
         * $leaf-div-refs-must-not-match-regex
   -->
   
   
</exercise>
