| Index: trunk/phase3/includes/SpecialBooksources.php |
| — | — | @@ -39,7 +39,7 @@ |
| 40 | 40 | global $wgOut; |
| 41 | 41 | |
| 42 | 42 | $wgOut->setPagetitle( wfMsg( "booksources" ) ); |
| 43 | | - if( empty( $this->mIsbn ) ) { |
| | 43 | + if( $this->mIsbn == '' ) { |
| 44 | 44 | $this->askForm(); |
| 45 | 45 | } else { |
| 46 | 46 | $this->showList(); |