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diff --git a/externals/gridflow/doc/flow_classes/#scale_by-help.pd b/externals/gridflow/doc/flow_classes/#scale_by-help.pd
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+#N canvas 690 0 632 610 10;
+#X obj 11 82 tgl 15 0 empty empty empty 0 -6 0 8 -24198 -1 -1 0 1;
+#X obj 11 102 metro 100;
+#X obj 89 149 #in;
+#X obj 103 561 #scale_to;
+#X obj 169 561 #downscale_by;
+#X text 232 507 Outputs the resulting scaled image.;
+#X obj 89 207 #out window \, title #scale_by;
+#X msg 89 85 open bluemarble.jpg \, bang;
+#X obj 89 183 #scale_by 2;
+#X text 7 28 The [#scale_by] scales the image received by the row and
+column factors passed. A single value applies the scaling uniformly
+on the row and columns.;
+#X msg 227 129 2 # 2 1;
+#X msg 230 152 2 # 2 3;
+#X floatatom 181 131 5 0 0 0 - - -;
+#X text 232 362 The Grid on which the scale_to will be performed.;
+#X obj 0 0 doc_h;
+#X obj 3 332 doc_i 2;
+#X obj 3 477 doc_o 1;
+#X text 232 265 The scaling factor (defaults to 2).;
+#X obj 3 561 doc_also;
+#X obj 14 507 doc_oo 0;
+#X obj 14 362 doc_ii 0;
+#X obj 14 445 doc_ii 1;
+#X obj 14 265 doc_cc 0;
+#X obj 97 362 doc_m i0 grid;
+#X obj 97 265 doc_m c0 grid;
+#X obj 97 445 doc_m i1 grid;
+#X obj 3 235 doc_c 0..1;
+#X text 232 445 same as arg 0;
+#X text 232 287 if it's a single value \, then that factor is to be
+used for both rows and columns.;
+#X text 232 384 duplicates each pixel several times in width and several
+times in height \, where the number of times is determined by the factor
+described above. twice those of the incoming grid. It is several times
+faster.;
+#X text 232 529 grid((factor*y) (factor*x) channels);
+#X obj 97 507 doc_m o0 grid;
+#X obj 0 581 doc_f;
+#X connect 0 0 1 0;
+#X connect 1 0 2 0;
+#X connect 2 0 8 0;
+#X connect 7 0 2 0;
+#X connect 8 0 6 0;
+#X connect 10 0 8 1;
+#X connect 11 0 8 1;
+#X connect 12 0 8 1;
+#X connect 18 1 3 0;
+#X connect 18 1 4 0;
+#X connect 23 1 13 0;
+#X connect 23 1 29 0;
+#X connect 24 1 17 0;
+#X connect 24 1 28 0;
+#X connect 25 1 27 0;
+#X connect 31 1 5 0;
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