if ((ref.startsWith(cat + QString(":")))
|| (cat == qt_("<No prefix>")
&& (!ref.mid(1).contains(":") || ref.left(1).contains(":")))) {
QTreeWidgetItem * child =
new QTreeWidgetItem(item);
if ((ref.startsWith(cat + QString(":")))
|| (cat == qt_("<No prefix>")
&& (!ref.mid(1).contains(":") || ref.left(1).contains(":")))) {
QTreeWidgetItem * child =
new QTreeWidgetItem(item);