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From: Burkhard Schultheis <burkhard.schultheis@web.de>
Newsgroups: gmane.emacs.help
Subject: Re: Problem with word search
Date: Thu, 29 Mar 2012 10:05:07 +0200
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Am 29.03.2012 09:51, schrieb Burkhard Schultheis:
> Additional info: The syntax table in the buffer shows that the
> underscore should be treated as whitespace. In this case I had expected
> that \bmachine\b would not find "running_machine_state" as it does. Why?
>
> Regards
> Burkhard

Now I understand it. I changed the meaning of "_" to "w", and it works now.