/usr/lib/pd/extra/mapping/midi2mapping.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 | #N canvas 1 53 391 303 10;
#X obj 121 44 inlet;
#X obj 121 243 outlet;
#X text 179 47 0 to 127;
#X text 183 242 0 to 1;
#X obj 121 138 / 127;
#X connect 0 0 4 0;
#X connect 4 0 1 0;
|