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From: Eli Zaretskii <eliz@elta.co.il>
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Subject: Re: Cool and Useful LISP for the .emacs file
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> From: Alan Mackenzie<none@example.invalid>
> Newsgroups: gnu.emacs.help
> Date: Tue, 11 Nov 2003 10:43:35 +0000
> 
> <flamebait>

You've got it ;-)

> Some of us actually have to pay for our electricity.  Some of us care
> that leaving a computer running continuously spews carbon dioxide into
> the atmosphere (fuelling global warming) and creates radioactive waste.

Power-saving settings, which can switch off almost everything during
idle time without requiring a reboot, were invented for this.

> But I don't like leaving Emacs running, even when my PC is on.  You see,
> jit-lock runs continuously in the background, consuming vast amounts of
> CPU usage, thus contributing even more to global warming, et al.

JIT-lock only eats up cycles as long as there are buffers that aren't
completely fontified; then it stops.