Same content (set of files) but different files? Here's the use case I have in mind: let's say I'm a programmer extending a game [1] built on Undum [2] engine,

Same content (set of files) but different files? Here's the use case I have in mind: let's say I'm a programmer extending a game [1] built on Undum [2] engine, together with a writer who is writing a story at the same time [3] [1] The Play, A dress rehearsal gone horribly wrong, by Deirdra Kiai. http://squinky.me/theplay/ http://squinky.me/theplay/ [2] http://undum.com/ http://undum.com/ [3] Story file: view-source:http://squinky.me/theplay/theplay.js http://squinky.me/theplay/theplay.js