Typo :s
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@ -26,7 +26,7 @@ class QuestionsFile
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if (@$this->treeXML->load($this->filename))
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{
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$root_nodes = $this->treeXML->getElementsByTagName("questions");
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if ($root_node->length > 0)
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if ($root_nodes->length > 0)
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$this->root_node = $root_nodes->item(0);
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else
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throw Exception("Not a valid nemubot QuestionsFile.");
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