/usr/lib/pd/extra/jmmmp/array-edit-help.pd is in pd-jmmmp 0.1.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | #N canvas 345 87 450 300 10;
#X obj 175 132 array-edit;
#X text 150 90 GUI patch for editing arrays;
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