lord2.js hangs node indefinitely when user disconnects at "choice" prompt

e.g. when a user disconnect at this point, the node is indefinitely hung:

    Good old Wendle Hightree's house

  This is your good friend Wendle's house.  His parents are really nice and
  let you stay over all the time.  He greets you at the door.

  "Hey man, how's it going?"

  Talk with Wendle for a while
  Take off                                

As reported by Cru Jones via email and reproduced 100% on Vertrauen.