my $this = shift();
my($qtype, $qstr, $udata, $options, %cb) = @_;
+ { use Carp; confess "Odd-sized hash!" if @_ % 2; }
#warn "calling $this->irspy_search(", join(", ", @_), ")\n";
$this->add_task(new ZOOM::IRSpy::Task::Search
($qtype, $qstr, $this, $udata, $options, %cb));