function acronym($acronym)
{
if (empty($this->acronymsExchanged)) {
$this->acronymsExchanged = $this->acronyms;
$this->acronyms = array();
foreach ($this->acronymsExchanged as $key => $value) {
$this->acronyms[str_replace('_', ' ', $key)] = $value;
}
}
parent::acronym($acronym);
}