Fixed name display everywhere (not just main page).

vpl.class.php

@@ -321,7 +321,7 @@ class mod_vpl {
                 $ret .= ' (' . $grouping->name . ')';
             }
         }
-        return $ret;
+        return format_string($ret);
     }
 
     /**
@@ -1604,7 +1604,7 @@ class mod_vpl {
      */
     public function print_name() {
         global $OUTPUT;
-        echo $OUTPUT->heading(format_string($this->get_printable_name()));
+        echo $OUTPUT->heading($this->get_printable_name());
     }
 
     public function str_restriction($str, $value = null, $raw = false) {