| Index: trunk/extensions/SemanticMediaWiki/includes/SMW_DataValue.php |
| — | — | @@ -680,6 +680,7 @@ |
| 681 | 681 | public function isNumeric() { |
| 682 | 682 | $sig = $this->getSignature(); |
| 683 | 683 | $valueIndex = $this->getValueIndex(); |
| | 684 | + if ( $valueIndex < 0 ) { return false; } |
| 684 | 685 | |
| 685 | 686 | return $sig { $valueIndex } == 'n' || $sig { $valueIndex } == 'f'; |
| 686 | 687 | } |
| — | — | @@ -791,4 +792,4 @@ |
| 792 | 793 | return ''; // empty unit |
| 793 | 794 | } |
| 794 | 795 | |
| 795 | | -} |
| \ No newline at end of file |
| | 796 | +} |