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From: Murray Stokely <murray@FreeBSD.org>
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Subject: Highlighting whitespace at EOL.
Date: Tue, 2 Apr 2002 09:07:22 -0800
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  I'm interested in writing a minor mode for marking up man pages with
the mdoc macros.  One of the things I would like to do is have
whitespace characters at the end of a nonblank line show up in a
different color, so I can easily notice (and remove) these stray marks
(which can easily be done with a macro, but thats not the point).

  I don't need to setup a syntax table for something so trivial, do I?
Is there a good example minor mode to help learn some of this stuff?

   - Murray