<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by BlondeBomber:
If you want to confirm a new booking (different day, different time) and not go standby, that would also require "reissue".
With electronic tickets it's not really a (re)issue.</font>
I don't remember ever having a ticket reissued when changing to a different flight. Maybe it's because I usually use e-tickets.