% else { $tn = undef; }
<& .thumbnail, target => $d->name . "/", img => $tn,
caption => $m->interp->apply_escapes($d->name, "h"),
% else { $tn = undef; }
<& .thumbnail, target => $d->name . "/", img => $tn,
caption => $m->interp->apply_escapes($d->name, "h"),