/usr/lib/pd/extra/mapping/distance.pd is in pd-mapping 0.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | #N canvas 1 53 450 300 10;
#X obj 80 47 inlet;
#X obj 150 49 inlet;
#X obj 80 129 abs;
#X obj 80 195 outlet;
#X obj 80 95 - \$1;
#X connect 0 0 4 0;
#X connect 1 0 4 1;
#X connect 2 0 3 0;
#X connect 4 0 2 0;
|