[xemacs-hg @ 2001-05-24 11:01:53 by yoshiki]
Daiki Ueno's patch "side effect on font-lock-keywords",
<m2n18lsumy.fsf@deisui.bug.org>
* font-lock.el (font-lock-compile-keywords): Rewrite as a side
effect free function.
(font-lock-fontify-keywords-region): Supply the argument to
font-lock-compile-keywords.