lib/classes/Swift/Mime/SimpleHeaderFactory.php
public function charsetChanged($charset)
    {
        $this->charset = $charset;
        $this->encoder->charsetChanged($charset);
        $this->paramEncoder->charsetChanged($charset);
    }
public function charsetChanged($charset)
    {
        $this->charset = $charset;
        $this->encoder->charsetChanged($charset);
        $this->paramEncoder->charsetChanged($charset);
    }
public function charsetChanged ( $ charset ) { $ this -> charset = $ charset ; $ this -> encoder -> charsetChanged ( $ charset ) ; $ this -> paramEncoder -> charsetChanged ( $ charset ) ; }
Notify this observer that the entity's charset has changed.

@param string $charset
Notify this observer that the entity s charset has changed .