User blog comment:JoshuaJSlone/Replacing age and time calculation code/@comment-131168-20141120203029/@comment-131168-20141120210712

For the long answer, here's Wikia's page on Lua. But it is essentially a proper programming language that we can now use to make more advanced templates--and at least as someone who has experience with such things, I find it a lot easier to look at and edit. I remember the first time I wanted to make a fix to the Age template and saw it consisted of   and it took me forever just to figure out where each set of brackets was ending.