Lucid had an editor called Helix. It was based on CMUCL's Hemlock. Probably that's also the editor SUN used in SPE. Hemlock is a Emacs variant written in Common

Lucid had an editor called Helix. It was based on CMUCL's Hemlock. Probably that's also the editor SUN used in SPE. Hemlock is a Emacs variant written in Common Lisp. Lispworks's and Clozure CL's editor also started from Hemlock.