my $rsrec = $rs->record(0);
if (!defined $rsrec) {
# I thought this was a "can't happen", but it sometimes
# does, as for example documented for
# kat.vkol.cz:9909/svk02 at ../../../../../tmp/bad-run-1
my $rsrec = $rs->record(0);
if (!defined $rsrec) {
# I thought this was a "can't happen", but it sometimes
# does, as for example documented for
# kat.vkol.cz:9909/svk02 at ../../../../../tmp/bad-run-1