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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.help
Subject: Re: Handling large files with Emacs
Date: Wed, 24 Oct 2012 11:29:26 -0400
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> I had to work with a vast bibTeX file today and Emacs almost died and
> got super slow, which made working with Emacs impossible.

Sounds like a performance bug in bibtex-mode.  Please M-x
report-emacs-bug, ideally with a sample large bibtex file and a recipe
showing exactly which operation(s) get slow.


        Stefan