ref: d58d5c11d5e98afe8623e2cb4a6188f45c01f6ed
parent: 137c1d7bbd5b2924ce700715c10b2d8d9aa43484
author: Simon Tatham <anakin@pobox.com>
date: Mon Aug 16 08:42:11 EDT 2004
Fold in the expanded-grid mechanism for generating different kinds of puzzle. Configurable option, turned off by default, and not propagated in game IDs (though you can explicitly specify it in command-line parameters, and the docs explain how). [originally from svn r4461]