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Re: emacs hangs in jit-lock

From: martin rudalics
Subject: Re: emacs hangs in jit-lock
Date: Thu, 30 Nov 2006 19:16:58 +0100
User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)

> It will fix a few problems (typically of the sort "Emacs takes 100% cpu
> time"), but I agree that it won't really fix the mentioned problems.

If I open say xdisp.c with Alan's `beginning-of-defun-raw' and jump to
the end of the buffer Emacs takes more than 98% of my CPU with stealth
fontification turned off.  Subsequent M-v's will do the same.  Without
Alan's change Emacs takes less than 5%.

> Instead it will make them appear less often and more deterministically.
> That's still good in my book.

We violently agree.

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