setup() public méthode

public setup ( )
 function setup()
 {
     #
     # Setting up Extra-specific variables.
     #
     parent::setup();
     $this->footnotes = array();
     $this->footnotes_ordered = array();
     $this->abbr_desciptions = array();
     $this->abbr_word_re = '';
     $this->footnote_counter = 1;
     foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
         if ($this->abbr_word_re) {
             $this->abbr_word_re .= '|';
         }
         $this->abbr_word_re .= preg_quote($abbr_word);
         $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
     }
 }