/usr/lib/pd/extra/markex/vectorpack-help.pd is in pd-markex 0.85-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | #N canvas 407 449 450 300 10;
#X text 138 59 MarkEx vector operation;
#X text 133 181 (placeholder help patch);
#X obj 177 112 vectorpack;
|