does that really matter? its clear that lem.el is an Emacs library, and is thus named as such (.el), and is thus not a standalone piece of software. I really don't think its a problem. there are no Emacs libraries with the same name.
from a quick check, i have C-p and C-S-B working, but C-n and C-s and (many i think) others not working. ff 114 on linux.
does that really matter? its clear that lem.el is an Emacs library, and is thus named as such (.el), and is thus not a standalone piece of software. I really don't think its a problem. there are no Emacs libraries with the same name.