$form->setWrapperLegendMsg( 'pageswithprop-legend' );
$form->addHeaderText( $this->msg( 'pageswithprop-text' )->parseAsBlock() );
$form->setSubmitTextMsg( 'pageswithprop-submit' );
$form->setWrapperLegendMsg( 'pageswithprop-legend' );
$form->addHeaderText( $this->msg( 'pageswithprop-text' )->parseAsBlock() );
$form->setSubmitTextMsg( 'pageswithprop-submit' );