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From: Colin Walters <walters@gnu.org>
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Subject: Re: new text property
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On Mon, 2002-06-10 at 09:32, Hrvoje Niksic wrote:

> I'm not a font-lock hacker, I just think that overloading the meaning
> of `M-x font-lock-mode' might not be such a good idea.  Confusing the
> two will lead people to try to use other font-lock settings in
> non-font-lock environments, and that will silently fail.

But the only reason many of those variables (e.g.
`font-lock-maximum-size', `font-lock-maximum-decoration') were added is
for speed reasons.  There are no speed issues with `font-lock-face'.

> So, between your choices of (1) and (2), either is OK if done right.
> But I'd rather leave things as they are than do the wrong thing.

I really don't see how having a few speed-related variables not
applicable to `font-lock-face' is a big drawback compared to what I
think is a big improvement in the user interface.