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Re: Default of jit-lock-stealth-time

From: David Kastrup
Subject: Re: Default of jit-lock-stealth-time
Date: Tue, 27 Feb 2007 09:23:59 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.94 (gnu/linux)

Stefan Monnier <address@hidden> writes:

> Sure.  Jit-lock-stealth has been in wide use since Emacs-21.1 (and
> the years of development before), so it's clear that its bad effects
> are sufficiently mild.

Font-lock was turned off by default in versions 21.1 to 21.4 since its
performance impact was not well-behaved enough.  Quite a bit of fixes
went into font-lock in order to make it a defensible choice to enable
it by default.

People were _expecting_ downsides from font-locking, and we told them
so, and they had to enable it manually.

The situation is different for Emacs 22.

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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