/etc/X11/app-defaults/KxPaw++ is in paw-common 1:2.14.04.dfsg.2-7ubuntu1.
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 6 7 8 9 10 11 12 13 | ! This file gives X defaults for KXterm when run by Paw++.
! Use light gray widgets instead of the hideous default blue
KxPaw++*background: gray
KxPaw++*dirlist*background: gray90
KxPaw++*foreground: black
! and decent fonts instead of "fixed"
KxPaw++*fontList: *-helvetica-medium-r-normal*-120-*
KxPaw++*XmText*fontList: *-courier-medium-r-normal*-120-*
! and make the transcript pad a reasonable size
KxPaw++*outputForm.height: 200
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