I think the desire for this kind of project is very reasonably based, and it looks like you have done great work on most of the implementation. I have one gripe with it, though. It would be nice if the documentation mentioned that garlic.js requires an HTML5 browser with localStorage implemented. Remember, there are people who are still using Internet Explorer 6 and 7, and these browsers are incompatible [1]. This is…
You don't need to backport everything, only the critical stuff.