+}
+
+## present_number in search handler appeared in 4.2.48
+chomp($yazver);
+my ($major, $minor, $trivial) = split(/\./, $yazver);
+my ($needMaj, $needMin, $needTriv) = (4, 2, 48);
+#print "major=$major, minor=$minor, trivial=$trivial\n";
+die "You have YAZ version $major.$minor.$trivial; " .
+ "you need $needMaj.$needMin.$needTriv or better."
+ if ($major < $needMaj ||
+ $major == $needMaj && $minor < $needMin ||
+ $major == $needMaj && $minor == $needMin && $trivial < $needTriv);