Getting the C shims right, and ensuring that it really implements elisp as emacs does -- to the point that elisp programmers can't tell the difference. The C qu

Getting the C shims right, and ensuring that it really implements elisp as emacs does -- to the point that elisp programmers can't tell the difference. The C question is much more difficult, though. The goal is for Guile in Emacs to be the obvious, no-brainer choice. Hopefully that will be the case, but there is some hacking yet to be done.