[spjwebster]

FWIW, towards the tail-end of my time at Yahoo! I played a bit part in a team working on a more modern open source PHP-based version of the template localisation system that was at the heart of Jake. Remarkably this still exist on the Internet, though they haven't been touched since 2009 when most of us left.

http://sourceforge.net/projects/rthree/

Looking at the source now, I think we might have been trying to use every pattern in the GoF book in one project.