[h-e-w] problems compiling html-helper-mode.el

[Max Mazza]

When I try to compile the html-helper-mode.el file. i obtain the
following:

Compiling file f:/emacs-20.7/lisp/html-helper-mode.el at Sat Jun 29
02:07:41 2002
  ** reference to free variable epoch::version
  ** reference to free variable html-helper-list-map
  ** reference to free variable html-helper-list-menu
  ** assignment to free variable html-helper-list-menu
  ** reference to free variable html-helper-font-lock-keywords
  ** assignment to free variable font-lock-no-comments
While compiling the end of the data:
  ** The following functions are not known to be defined:
    tempo-template-html-definition-item,
    tempo-template-html-list-item, tempo-template-html-skeleton,
    hilit-set-mode-patterns


The tempo.el file is already in the /lisp directory.
what's happening?
Max Mazza