// Write group info.
$group = $this->getGroupAttrs();
- $group_part = "<group name=\"".htmlspecialchars($group['name'])."\"";
+ $group_part = "<group group_key=\"".htmlspecialchars($group['group_key'])."\"";
+ $group_part .= " name=\"".htmlspecialchars($group['name'])."\"";
$group_part .= " description=\"".htmlspecialchars($group['description'])."\"";
$group_part .= " currency=\"".htmlspecialchars($group['currency'])."\"";
$group_part .= " decimal_mark=\"".$group['decimal_mark']."\"";