/usr/lib/pd/extra/pdp/pdp_flip_lr-help.pd is in pd-pdp 1:0.14.1-3+b1.
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 | #N canvas 504 211 449 178 10;
#X msg 77 38 start;
#X msg 124 38 stop;
#X obj 77 70 pdp_help_input;
#X obj 77 136 pdp_help_output;
#X obj 77 101 pdp_flip_lr;
#X text 222 101 flip left <-> right;
#X connect 0 0 2 0;
#X connect 1 0 2 0;
#X connect 2 0 4 0;
#X connect 4 0 3 0;
|