Severity: wishlist

I guess it's high time to retire lazy-lock.el and fast-lock.el, obsolete
since Emacs 22.1.

The last time we discussed this, I proposed to obsolete the variable
'font-lock-support-mode'.  It turns out that it is still useful for
debugging, so the discussion got side-tracked and nothing came of it.

In a new attempt, I submit here a new patch where this variable is
turned into a defvar instead, so that it can still be used for
debugging.  Hopefully, this should be more palatable.