> and `C-c C-l' (lua-send-buffer), but these may be out of the scope of
> this module, so let me know if I should just define these myself.

The attached patch includes lua-ts-send-{buffer,file,region}
commands with bindings for:

  C-c C-n start inferior Lua
  C-c C-c send buffer
  C-c C-l send file
  C-c C-r send region

I’ve been using a send-thing but wasn’t sure it’s worth including. What
do you think?