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Re: How to debug hang?

From: Eli Zaretskii
Subject: Re: How to debug hang?
Date: Sat, 18 Nov 2006 12:37:47 +0200

> From: David Abrahams <address@hidden>
> Date: Fri, 17 Nov 2006 21:50:27 -0500
> I'm trying to debug some kind of a hang that occurs when I try to use
> a font-lock mode I'm developing.  I can't get control back by hitting
> `C-g'.  I suspected it was a bad (combinatoric) regexp, but I added
> advice before and after re-search-forward that emitted enter/exit
> messages, and when the hang occurs I am seeing an exit message, so I'm
> guessing that's not it.  I'm quite stumped now; hoping someone can
> offer a clue.

The file etc/DEBUG in the Emacs distribution has a suggestion for this
case; search for "If Emacs hangs".

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