Spoiler alert!
When I saw the Star Wars Spoiler Generator on xkcd I knew making a working actual generator for this text would be easy. This is a perfect match for Durcruq, my own software for text generation.
So, here are some spoilers:
Regenerate spoilers
Text by Randall Munroe (CC BY-NC 2.5), font by the ipython community (CC BY-NC 3.0)