lib/classes/Swift/Mime/SimpleHeaderSet.php
private function notifyHeadersOfCharset($charset)
    {
        foreach ($this->headers as $headerGroup) {
            foreach ($headerGroup as $header) {
                $header->setCharset($charset);
            }
        }
    }
private function notifyHeadersOfCharset($charset)
    {
        foreach ($this->headers as $headerGroup) {
            foreach ($headerGroup as $header) {
                $header->setCharset($charset);
            }
        }
    }
private function notifyHeadersOfCharset ( $ charset ) { foreach ( $ this -> headers as $ headerGroup ) { foreach ( $ headerGroup as $ header ) { $ header -> setCharset ( $ charset ) ; } } }
Notify all Headers of the new charset
Notify all Headers of the new charset