/usr/lib/pd/extra/smlib/lrange-help.pd is in pd-smlib 0.12.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | #N canvas 1 53 441 199 10;
#X text 351 133 j#|@2002;
#X obj 373 111 SMLib-help;
#X floatatom 54 72 5 0 0 0 - - -;
#X obj 10 55 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
-1;
#X text 54 52 x(i);
#X floatatom 10 168 5 0 0 0 - - -;
#X obj 10 98 float;
#X text 6 21 argument: half-decay time (in number of activations);
#X msg 119 98 clear;
#X text 117 76 clear accumulator;
#X text 7 4 lrange: leaky maximum minus leaky minimum;
#X obj 10 138 lrange 10;
#X msg 244 106 decay 5;
#X text 243 90 set half-decay time;
#N canvas 224 251 494 344 META 0;
#X text 12 125 HELP_PATCH_AUTHORS "pd meta" information added by Jonathan
Wilkes for Pd version 0.42.;
#X text 12 25 LICENSE GPL v2;
#X text 12 5 KEYWORDS control filter;
#X text 12 85 OUTLET_0 float;
#X text 12 105 AUTHOR Johannes Taelman (johannes.taelman@rug.ac.be)
;
#X text 12 45 DESCRIPTION leaky maximum minus leaky minimum;
#X text 12 65 INLET_0 float clear decay;
#X restore 391 156 pd META;
#X connect 2 0 6 1;
#X connect 3 0 6 0;
#X connect 6 0 11 0;
#X connect 8 0 11 0;
#X connect 11 0 5 0;
#X connect 12 0 11 0;
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