Archive for October, 2009

Emacs 23.1 idle-highlight set background problem

I recently updated my Emacs to version 23.1 for all the font enhancements (finally). I ran into an issue with setting the region highlighting background. It turns out that this is an issue with ns-win.el file included with Emacs. The fix is simple:

Navigate to Emacs.app/Contents/Resources/lisp/term/

Uncompress ns-win.el.gz, open ns-win.el and change:

(set-face-background 'region "ns_selection_color")

To:

(if (not (face-attribute 'region :background))
    (set-face-background 'region "ns_selection_color"))

Then do M-x byte-compile-file RET /Applications/Emacs.app/Contents/Resources/lisp/term/ns-win.el

Now setting the background works as expected. Idle-highlight will now be usable again…

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