] + Linker::tooltipAndAccesskeyAttribs( 'preview' );
$buttons['preview'] = Html::submitButton( $this->context->msg( 'showpreview' )->text(),
$attribs );
] + Linker::tooltipAndAccesskeyAttribs( 'preview' );
$buttons['preview'] = Html::submitButton( $this->context->msg( 'showpreview' )->text(),
$attribs );