/usr/lib/pd/extra/nusmuk-utils/pps-help.pd is in pd-nusmuk 20151113+repack-3.
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 | #N canvas 0 0 450 300 10;
#X obj 40 28 pps;
#X text 85 27 shortcut for :;
#X obj 209 29 list prepend set;
#X obj 209 50 list trim;
#X obj 45 163 pps;
#X msg 45 190 41 0;
#X obj 45 137 pack f foo;
#X floatatom 45 118 5 0 0 0 - - -;
#X connect 2 0 3 0;
#X connect 4 0 5 0;
#X connect 6 0 4 0;
#X connect 7 0 6 0;
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