/usr/share/kde4/apps/kdisplay/app-defaults/Editres.ad is in kde-workspace-data 4:4.8.2a-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | editres*Tree.Background: WINDOW_BACKGROUND
editres*Tree.Foreground: WINDOW_FOREGROUND
editres*Tree.Toggle.Foreground: FOREGROUND
editres*Tree.Toggle.Background: BACKGROUND
editres*Panner.Background: BACKGROUND
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