(compilation-mode-font-lock-keywords,

(compilation-mode-font-lock-keywords,
rmail-summary-font-lock-keywords, dired-font-lock-keywords,
shell-font-lock-keywords, texi-font-lock-keywords,
perl-font-lock-keywords): Deleted.

(font-lock-mode): Doc fix; use add/remove-hook, not
setq; removed make-local-variable of font-lock-no-comments.
(font-lock-set-defaults): Do it there, and use:
(font-lock-defaults-alist): Use it to set font-lock-keywords,
font-lock-keywords-case-fold-search and font-lock-no-comments.
(turn-on-font-lock): New function.
(font-lock-fontify-buffer): Made interruptible; deleted messages.

(font-lock-fontify-region): Made syntax state reliable
by widening within new restriction; let cstart and cend for speed;
outputs message.
(font-lock-after-change-function): Remove spurious goto-char and use
forward-line, not 1+ end-of-line, for end of fontification region.
(font-lock-any-properties-p): Removed, use text-property-not-all.

(font-lock-*-face): facename values are themselves.
(font-lock-variable-name-face, font-lock-reference-face): New vars.
(font-lock-doc-string-face): Removed.
(font-lock-keywords): Extended value syntax.
(font-lock-hack-keywords): Cope with it; outputs initial message.

Merged in face-lock.el:
(font-lock-display-type, font-lock-background-mode)
(font-lock-face-attributes): New variables, use it.
(font-lock-make-face): New function, use them.