/**
  * Overrides parent::replacePlaceholders()
  */
 function replacePlaceholders(array $symbols, array $replacements = array())
 {
     parent::replacePlaceholders($symbols, array(self::SYMBOL_SPECIAL_PERCENT, self::SYMBOL_SPECIAL_PERMILLE));
 }
 /**
  * Overrides parent::replacePlaceholders()
  */
 function replacePlaceholders(array $symbols, array $replacements = array()) {
   parent::replacePlaceholders($symbols, array(self::SYMBOL_SPECIAL_CURRENCY));
 }