function tap.packet(pinfo,tvb,userdata) ... end
*/
/* ELUA_ATTRIBUTE Tap_draw WO A function that will be called once every few seconds to redraw the gui objects
- in twireshark this funtion is called oly at the very end of the capture file.
+ in tshark this funtion is called oly at the very end of the capture file.
function tap.draw(userdata) ... end
*/