This file is indexed.

/usr/lib/pd/extra/list-abs/list-fifo-help.pd is in pd-list-abs 0.1-1.

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The actual contents of the file can be viewed below.

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#N canvas 0 26 587 530 10;
#X msg 247 186 1 2 3 4 5;
#X symbolatom 260 207 10 0 0 0 - - -;
#X floatatom 273 224 5 0 0 0 - - -;
#X obj 198 339 bng 15 250 50 0 empty empty EOL 17 7 1 10 -262144 -1
-1;
#X text 59 38 [list-fifo];
#X text 97 64 [list-fifo] stores incoming (list-)messages and outputs
them one by one on incoming bangs in the order they arrive like a FIFO:
first in \, first out.;
#X msg 295 274 bang;
#X obj 140 305 list-fifo;
#X text 82 439 2007 Frank Barknecht;
#X msg 238 166 a b c;
#X msg 140 149 bang;
#X text 230 147 store lists or elements ("push");
#X text 111 125 trigger output ("pop");
#X text 277 255 clear stored list ("reset");
#N canvas 0 0 450 300 show 0;
#X obj 60 48 inlet;
#X obj 60 72 list prepend set;
#X obj 60 97 list trim;
#X obj 60 126 outlet;
#X connect 0 0 1 0;
#X connect 1 0 2 0;
#X connect 2 0 3 0;
#X restore 140 364 pd show;
#X msg 74 262 clear;
#X msg 140 390 1 2 3 4 5;
#N canvas 491 26 494 396 META 0;
#X text 12 25 LICENSE SIBSD;
#X text 12 175 AUTHOR Frank Barknecht;
#X text 12 195 HELP_PATCH_AUTHORS Frank Barknecht. "pd meta" information
added by Jonathan Wilkes for Pd version 0.42.;
#X text 12 135 OUTLET_0 list;
#X text 12 95 INLET_1 anything;
#X text 12 155 OUTLET_1 bang;
#X text 12 5 KEYWORDS control list_op;
#X text 12 45 DESCRIPTION store incoming (list-)messages and output
them one by one on incoming bangs in the order they arrive;
#X text 12 75 INLET_0 bang;
#X text 12 115 INLET_2 bang;
#X restore 528 500 pd META;
#X connect 0 0 7 1;
#X connect 1 0 7 1;
#X connect 2 0 7 1;
#X connect 6 0 7 2;
#X connect 7 0 14 0;
#X connect 7 1 3 0;
#X connect 9 0 7 1;
#X connect 10 0 7 0;
#X connect 14 0 16 0;
#X connect 15 0 7 0;