lib/classes/Swift/Preferences.php
public function setQPDotEscape($dotEscape)
    {
        $dotEscape = !empty($dotEscape);
        Swift_DependencyContainer::getInstance()
            ->register('mime.qpcontentencoder')
            ->asNewInstanceOf('Swift_Mime_ContentEncoder_QpContentEncoder')
            ->withDependencies(['mime.charstream', 'mime.bytecanonicalizer'])
            ->addConstructorValue($dotEscape);

        return $this;
    }
public function setQPDotEscape($dotEscape)
    {
        $dotEscape = !empty($dotEscape);
        Swift_DependencyContainer::getInstance()
            ->register('mime.qpcontentencoder')
            ->asNewInstanceOf('Swift_Mime_ContentEncoder_QpContentEncoder')
            ->withDependencies(['mime.charstream', 'mime.bytecanonicalizer'])
            ->addConstructorValue($dotEscape);

        return $this;
    }
public function setQPDotEscape ( $ dotEscape ) { $ dotEscape = ! empty ( $ dotEscape ) ; Swift_DependencyContainer :: getInstance ( ) -> register ( 'mime.qpcontentencoder' ) -> asNewInstanceOf ( 'Swift_Mime_ContentEncoder_QpContentEncoder' ) -> withDependencies ( [ 'mime.charstream' , 'mime.bytecanonicalizer' ] ) -> addConstructorValue ( $ dotEscape ) ; return $ this ; }
Set the QuotedPrintable dot escaper preference.

@param bool $dotEscape

@return $this
Set the QuotedPrintable dot escaper preference .