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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 09:51:24 +0200
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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