/usr/lib/pd/extra/pdp/pdp_snap-help.pd is in pd-pdp 1:0.14.1-3build1.
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 14 15 16 17 18 19 20 21 | #N canvas 623 480 596 300 10;
#X msg 92 15 start;
#X msg 142 15 stop;
#X obj 92 53 pdp_help_input;
#X obj 41 240 pdp_help_output;
#X text 140 172 bang: sends stored packet to output;
#X text 113 143 left intlet (hot):;
#X text 112 202 right intlet (cold):;
#X obj 41 171 pdp_snap;
#X text 115 103 pdp_reg takes a snapshot from a pdp stream.;
#X text 263 201 pdp inlet;
#X text 139 157 snap: stores the next packet that arrives on second
inlet;
#X msg 8 130 bang;
#X msg 49 130 snap;
#X connect 0 0 2 0;
#X connect 1 0 2 0;
#X connect 2 0 7 1;
#X connect 7 0 3 0;
#X connect 11 0 7 0;
#X connect 12 0 7 0;
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