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Re: whitespace-mode and visual-line-mode


From: Eli Zaretskii
Subject: Re: whitespace-mode and visual-line-mode
Date: Wed, 25 Apr 2012 17:31:59 +0300

> Date: Wed, 25 Apr 2012 10:17:07 -0400
> From: Matt McClure <address@hidden>
> Cc: address@hidden
> 
> > Customize whitespace-display-mappings so that the whitespace
> > characters are displayed as themselves, instead of as fancy non-ASCII
> > glyphs.  (You will still have the faces to show the whitespace.)
> >
> 
> Hm. I tried, but Emacs still didn't wrap at word boundaries.

Try this:

    (setq whitespace-display-mappings
          '(
            (space-mark   ?\     [?\ ]     [?.])
            (space-mark   ?\xA0  [?\u00A4] [?_])
            (space-mark   ?\x8A0 [?\x8A4]  [?_])
            (space-mark   ?\x920 [?\x924]  [?_])
            (space-mark   ?\xE20 [?\xE24]  [?_])
            (space-mark   ?\xF20 [?\xF24]  [?_])
            (newline-mark ?\n    [?$ ?\n])
            (tab-mark     ?\t    [?\t] [?\\ ?\t])))

The main point is to have the space and TAB be displayed as
themselves.  You tried to display a '.' instead of a space, which
won't fly with word wrap: it needs to see the space character to break
the line.



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