$form = '<fieldset><legend>' . wfMsgHtml( 'booksources-search-legend' ) . '</legend>';
$form .= Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
$form .= Xml::hidden( 'title', $title->getPrefixedText() );
- $form .= '<p>' . Xml::inputLabel( wfMsg( 'booksources-isbn' ), 'isbn', 'isbn', false, $this->isbn );
+ $form .= '<p>' . Xml::inputLabel( wfMsg( 'booksources-isbn' ), 'isbn', 'isbn', 20, $this->isbn );
$form .= ' ' . Xml::submitButton( wfMsg( 'booksources-go' ) ) . '</p>';
- $form .= '</fieldset>';
$form .= Xml::closeElement( 'form' );
+ $form .= '</fieldset>';
return $form;
}