Re: emacs 23 whitespace-mode, change newline display glyph

[Kevin Rodgers]

Xah Lee wrote:
> On Aug 12, 5:44 am, CHENG Gao <cheng...@gmail.com> wrote:
> > > in my emacs 23 both on Windows and Mac, the white space shows as $,
> > > not ¶, when in whitespace-mode or whitespace-newline-mode.
> > > How to make it show line breaks using ¶ ?
> > > i tried to read the doc... which took me too See also `whitespace-
> > > style', `whitespace-newline' and `whitespace-display-mappings', and
> > > customize... but its rather confusing.
>
> > Through reading whitespace-mode source, I found this works:
> >  (setq whitespace-display-mappings '(
> >   (newline-mark 10
> >                           [182 10])))
>
> it turns out, you have to set the whole list, not just one. The above
> will basically make it not display any glyphs to tabs and spaces.
>
> I spent several hours looking into this, here's the solution:
>
> (setq whitespace-display-mappings
>  '(
>    (space-mark 32 [183] [46]) ; normal space
>    (space-mark 160 [164] [95])
>    (space-mark 2208 [2212] [95])
>    (space-mark 2336 [2340] [95])
>    (space-mark 3616 [3620] [95])
>    (space-mark 3872 [3876] [95])
>    (newline-mark 10 [182 10]) ; newlne
>    (tab-mark 9 [9655 9] [92 9]) ; tab
> ))

Why not just:

(require 'whitespace-mode)
(setq whitespace-display-mappings
      (cons '(newline-mark 10 [182 10]) whitespace-display-mappings))

> more detail here:
>
> • How to use and setup Emacs's whitespace-mode
>   http://xahlee.org/emacs/whitespace-mode.html
>
>   Xah
> ∑ http://xahlee.org/
>
> ☄


--
Kevin Rodgers
Denver, Colorado, USA