shithub: puzzles

Download patch

ref: cfdba00313386042c38460def6fe141b252858fe
parent: 652f03a8aefa3267bd0acad64eadcdcd23cdf507
author: Simon Tatham <anakin@pobox.com>
date: Wed Jul 1 18:01:21 EDT 2009

More defensive-coding fixes from James H.

[originally from svn r8605]