"I’ve spent some time looking at Emacs Lisp lately and there’s a weird ecosystem going on there. ELisp (and I’m thinking primarily about Emacs configuration here) tends to grow organically, because it’s paced by a person’s learning of the editor. Every now and then someone needs a new function, and they either search or ask around for something similar. Either it’s been implemented before and the code can be copied into their local Emacs configuration or they can write a simple version that is sufficient for initial usage..."