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Fix notice in numerical question.

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This commit is contained in:
tjhunt 2007-12-10 11:57:24 +00:00
parent b0dc3e563d
commit c85aea03d3
1 changed files with 2 additions and 1 deletions
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3
question/type/numerical/questiontype.php
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@ -267,7 +267,8 @@ class question_numerical_qtype extends question_shortanswer_qtype {
function get_correct_responses(&$question, &$state) {
$correct = parent::get_correct_responses($question, $state);
if ($correct[''] != '*' && $unit = $this->get_default_numerical_unit($question)) {
$unit = $this->get_default_numerical_unit($question);
if (isset($correct['']) && $correct[''] != '*' && $unit) {
$correct[''] .= ' '.$unit->unit;
}
return $correct;