/usr/share/xcrysden/images/dot1x3H.bmp is in xcrysden-data 1.5.60-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | #define dot1x3H_width 3
#define dot1x3H_height 1
static unsigned char dot1x3H_bits[] = {
0x01};
|