27:  What variants of GNU Emacs exist?                                       !
                                                                             !
  * Nemacs, which can handle Japanese text, is derived from GNU Emacs        !
    18.55.  See question 151.                                                !
                                                                             !
  * Demacs, which can run under MS-DOS on 386 machines, is derived from      !
    Nemacs.  See question 124.                                               !
                                                                             !
  * Epoch, which has better X support, is derived from GNU Emacs 18.58.      !
    See question 122 and 94.                                                 !
                                                                             !
  * Lucid GNU Emacs is derived from an early unreleased version of GNU Emacs !
    19.  See question 123 and 94.                                            !