Without knowing too much about emacs (vi user.. just kidding), but I imagine the interface is either a proprietary C interface or a Unix Domain Socket with an

Without knowing too much about emacs (vi user.. just kidding), but I imagine the interface is either a proprietary C interface or a Unix Domain Socket with an Language Server behind it. Both do not scale up to the needs of today (Windows support, Remote Support, solving the n x m problem, ...).