I wasn’t very happy with the plugin @yvanzo found earlier, so I asked in the thread for the plugin that apparently doesn’t work anymore, and Sam Saffron replied there pointed to a “theme component” that might be easily portable to do essentially the same thing. So I ported it to do essentially the same thing, and this thread is a perfect example of how it works. 
You can see the code in action here:
Feel free to continue posting in here if you come across other abbreviations that you don’t understand!