Hi! Maybe I'm missing something, but I don't know how do I find defimplementation of some definterface. E.g. I want to go to swank/backend:activate-stepping, but EMACS only sends me to definterface, and I have to grep for defimplementation. I don't know how should I handle this, but I added a simple defparameter into defimplementation form. Now, when I'm asking for definition of swank/backend:activate-stepping, I see two suggested source locations: (defvar swank/backend:activate-stepping) (defun swank/backend:activate-stepping) defun is for definterface, defvar is for defimplementation. This works at least in SBCL, I guess it is handy. Patch is attached. This may seem a bit ugly, but SBCL does not suggest a way to extend its definition database with new classes, so I see no good way to go. WBR, Budden