diff --git a/midifile-help.pd b/midifile-help.pd
index ca346e4..b9b47d5 100644
--- a/midifile-help.pd
+++ b/midifile-help.pd
@@ -1,12 +1,10 @@
 #N canvas 583 98 399 237 12;
 #N canvas 24 112 1136 834 midifile_write 0;
-#X obj 324 -2 bng 45 250 50 0 empty empty choose 5 23 0 8 -62784 -260818
--258699;
-#X obj 67 65 tgl 45 0 empty empty record 2 23 0 8 -258699 -241291 -24198
-0 1;
-#X floatatom 553 780 15 0 0 0 tick - -;
+#X obj 324 -2 bng 45 250 50 0 empty empty choose 5 23 0 10 #3c50fc #fcac44 #ffffff;
+#X obj 67 65 tgl 45 0 empty empty record 2 23 0 12 #fc2828 #e8e828 #ffffff 0 1;
+#X floatatom 553 780 15 0 0 0 tick - - 0;
 #X obj 67 150 metro 2;
-#X floatatom 120 125 15 0 0 0 - - -;
+#X floatatom 120 125 15 0 0 0 - - - 0;
 #X msg 120 99 2.005;
 #X msg 506 590 verbose \$1;
 #X text 525 544 verbosity defaults to 1;
@@ -14,18 +12,16 @@
 #X msg 409 493 240 1 2 3 4 247;
 #X text 536 492 a sysex message;
 #X obj 553 750 float;
-#X floatatom 506 564 5 0 0 0 - - -;
+#X floatatom 506 564 5 0 0 0 - - - 0;
 #X msg 324 408 write \$1 \$2 \$3;
 #X msg 350 199 29;
 #X msg 388 199 30;
 #X msg 235 199 0;
-#X floatatom 405 275 5 0 0 0 ticks_per_frame - -;
-#X text 80 301 (ticks per quarter note if frames per second is zero)
-;
+#X floatatom 405 275 5 0 0 0 ticks_per_frame - - 0;
+#X text 80 301 (ticks per quarter note if frames per second is zero);
 #X msg 312 199 25;
 #X msg 272 199 24;
-#X text 79 322 25 20 will give accurate timing with metro ticks at
-2ms;
+#X text 79 322 25 20 will give accurate timing with metro ticks at 2ms;
 #X obj 324 375 pack s 25 20;
 #X obj 559 663 midifile;
 #X text 7 199 time code frames per second:;
@@ -34,32 +30,28 @@
 #X msg 374 458 write filename.mid 77;
 #X text 555 457 77 ticks per quarter note;
 #X msg 442 526 flush;
-#X obj 268 146 cnv 15 200 20 empty empty empty 20 12 0 14 -257985 -66577
-0;
-#X floatatom 514 145 5 0 0 0 note - -;
-#X floatatom 514 175 5 0 0 0 velocity - -;
+#X obj 268 146 cnv 15 200 20 empty empty empty 20 12 0 14 #f8fc00 #404040 0;
+#X floatatom 514 145 5 0 0 0 note - - 0;
+#X floatatom 514 175 5 0 0 0 velocity - - 0;
 #X obj 558 333 pack 144 0 0;
 #X obj 577 179 sel 0;
 #X obj 558 206 t b f;
 #X obj 558 307 f;
 #X text 553 565 set to 3 to debug input;
 #X obj 558 125 notein;
-#X obj 102 8 cnv 15 220 20 empty empty empty 20 12 0 14 -257985 -66577
-0;
+#X obj 102 8 cnv 15 220 20 empty empty empty 20 12 0 14 #f8fc00 #404040 0;
 #X text 104 10 1: open a file for writing:;
-#X obj 116 64 cnv 15 150 20 empty empty empty 20 12 0 14 -257985 -66577
-0;
+#X obj 116 64 cnv 15 150 20 empty empty empty 20 12 0 14 #f8fc00 #404040 0;
 #X text 118 67 2: start recording;
-#X obj 142 524 cnv 15 300 20 empty empty empty 20 12 0 14 -257985 -66577
-0;
-#X text 150 526 4: stop recording and save the file:;
-#X floatatom 512 230 5 0 0 0 channel - -;
+#X obj 122 524 cnv 15 300 20 empty empty empty 20 12 0 14 #f8fc00 #404040 0;
+#X text 130 526 4: stop recording and save the file:;
+#X floatatom 512 230 5 0 0 0 channel - - 0;
 #X obj 609 287 +;
 #X msg 577 235 127;
 #X msg 609 207 143;
-#X floatatom 919 103 5 0 0 0 value - -;
-#X floatatom 919 134 5 0 0 0 controller - -;
-#X floatatom 917 183 5 0 0 0 channel - -;
+#X floatatom 919 103 5 0 0 0 value - - 0;
+#X floatatom 919 134 5 0 0 0 controller - - 0;
+#X floatatom 917 183 5 0 0 0 channel - - 0;
 #X obj 965 83 ctlin;
 #X obj 965 237 pack 176 0 0;
 #X obj 965 269 print ctl>;
@@ -73,12 +65,10 @@
 #X msg 882 518 144 60 64;
 #X msg 863 549 144 67 64;
 #X msg 953 549 144 67 0;
-#X obj 778 500 hradio 15 1 0 8 empty empty empty 0 -8 0 10 -262144
--1 -1 0;
+#X obj 778 500 hradio 15 1 0 8 empty empty empty 0 -8 0 10 #fcfcfc #000000 #000000 0;
 #X obj 708 633 r midiwrite;
 #N canvas 141 452 1100 497 meta_messages 0;
-#X text 71 6 FF 51 3 tttttt Set Tempo (in microseconds per MIDI quarter-note)
-;
+#X text 71 6 FF 51 3 tttttt Set Tempo (in microseconds per MIDI quarter-note);
 #X obj 539 526 s midiwrite;
 #X text 407 196 Instrument Name;
 #X text 399 220 Lyric;
@@ -103,8 +93,7 @@
 #X text 555 384 Time Signature;
 #X msg 418 385 meta 88 6 3 36 8;
 #X msg 441 408 meta 89 0 0;
-#X text 538 407 Key Signature (number of sharps(+) / flats(-) 0 or
-1 for major or minor;
+#X text 538 407 Key Signature (number of sharps(+) / flats(-) 0 or 1 for major or minor;
 #X msg 481 448 meta 127 0 1 22 33 44 55;
 #X text 683 449 Sequencer-Specific Meta-Event;
 #X msg 509 476 meta 52;
@@ -116,8 +105,7 @@
 #X msg 184 151 meta 2 (C)2018_Nobody_At_All;
 #X msg 207 174 meta 3 amazing_sequence;
 #X msg 254 221 meta 5 "what_the";
-#X text 575 143 Underscore will be replaced by space in text metas
-;
+#X text 575 143 Underscore will be replaced by space in text metas;
 #X connect 8 0 1 0;
 #X connect 10 0 1 0;
 #X connect 13 0 1 0;
@@ -136,10 +124,8 @@
 #X connect 35 0 1 0;
 #X connect 36 0 1 0;
 #X restore 561 87 pd meta_messages;
-#X obj 506 532 hradio 15 1 0 5 empty empty verbosity 0 -6 0 12 -62784
--241291 -1 4;
-#X obj 174 86 cnv 15 380 20 empty empty empty 20 12 0 14 -257985 -66577
-0;
+#X obj 506 532 hradio 15 1 0 5 empty empty verbosity 0 -6 0 12 #3c50fc #e8e828 #000000 0;
+#X obj 174 86 cnv 15 380 20 empty empty empty 20 12 0 14 #f8fc00 #404040 0;
 #X text 180 86 Maybe add some meta messages before we start:;
 #X text 780 478 choose track to write;
 #X text 753 744 Martin Peach \, 2010 - 2018;
@@ -205,71 +191,59 @@
 #X connect 68 0 12 0;
 #X restore 76 116 pd midifile_write;
 #N canvas 240 205 914 702 midifile_read 0;
-#X obj 544 149 bng 15 250 50 0 empty empty step_one_tick 18 7 0 12
--4160 -257985 -1;
+#X obj 544 149 bng 15 250 50 0 empty empty step_one_tick 18 7 0 12 #0400fc #f8fc00 #000000;
 #X obj 12 69 openpanel;
-#X obj 12 16 bng 45 250 50 0 empty empty choose 3 23 0 12 -62784 -260818
--258699;
-#X obj 116 151 tgl 45 0 empty empty play -45 23 0 12 -24198 -1 -258699
-1 1;
+#X obj 12 16 bng 45 250 50 0 empty empty choose 3 23 0 12 #3c50fc #fcac44 #fc2828;
+#X obj 116 151 tgl 45 0 empty empty play -45 23 0 12 #14e814 #000000 #fc2828 0 1;
 #X msg 391 478 rewind;
 #X text 235 477 go to start of file;
-#X floatatom 461 570 15 0 0 0 current_tick - -;
-#X obj 235 301 hradio 15 1 0 16 empty empty dump_track_number 0 -6
-0 12 -62784 -241291 -1 0;
+#X floatatom 461 570 15 0 0 0 current_tick - - 0;
+#X obj 235 301 hradio 15 1 0 16 empty empty dump_track_number 0 -6 0 12 #3c50fc #e8e828 #000000 0;
 #X msg 235 322 dump \$1;
 #X msg 354 441 68050;
 #X msg 179 266 track \$1;
-#X obj 179 226 hradio 15 1 0 16 empty empty play_track_number 0 -6
-0 12 -62784 -241291 -1 7;
+#X obj 179 226 hradio 15 1 0 16 empty empty play_track_number 0 -6 0 12 #3c50fc #e8e828 #000000 0;
 #X obj 116 203 metro 2;
 #X text 193 542 creation arguments: midi_file_name;
 #X text 298 321 parse this track to main window;
-#X floatatom 709 660 15 0 0 0 last_tick - -;
+#X floatatom 709 660 15 0 0 0 last_tick - - 0;
 #X msg 311 398 verbose \$1;
 #X text 123 398 verbosity defaults to 1;
 #X text 63 11 1: choose a MIDI file to play;
 #X text 169 145 2: start playing it;
 #X obj 435 424 spigot;
-#X obj 480 390 tgl 25 0 empty empty loop -45 12 0 12 -4160 -257985
--258113 1 1;
+#X obj 480 390 tgl 25 0 empty empty loop -45 12 0 12 #0400fc #f8fc00 #fc0400 0 1;
 #X msg 12 99 read \$1;
-#X floatatom 311 374 5 0 0 0 - - -;
-#X obj 311 355 hradio 15 1 0 5 empty empty verbosity 0 -6 0 12 -62784
--241291 -1 1;
+#X floatatom 311 374 5 0 0 0 - - - 0;
+#X obj 311 355 hradio 15 1 0 5 empty empty verbosity 0 -6 0 12 #3c50fc #e8e828 #000000 0;
 #X obj 179 243 - 1;
 #X obj 65 505 ctlout 123;
 #X msg 65 475 123;
 #X msg 39 126 read I_Wanna_Be_Sedated.mid;
-#X obj 65 447 bng 15 250 50 0 empty empty all_notes_off 17 7 0 10 -258113
--257985 -1;
+#X obj 65 447 bng 15 250 50 0 empty empty all_notes_off 17 7 0 10 #fc0400 #f8fc00 #000000;
 #X obj 718 590 t b b;
-#X floatatom 134 263 5 0 0 0 - - -;
-#X obj 750 617 bng 15 250 50 0 empty empty end 17 7 0 10 -258113 -257985
--1;
-#X floatatom 632 433 9 0 0 0 loop_start_tick: - -;
+#X floatatom 134 263 5 0 0 0 - - - 0;
+#X obj 750 617 bng 15 250 50 0 empty empty end 17 7 0 10 #fc0400 #f8fc00 #000000;
+#X floatatom 632 433 9 0 0 0 loop_start_tick: - - 0;
 #X text 214 243 -1 = play all tracks;
 #X obj 709 638 f;
 #X obj 435 450 f 0;
 #N canvas 302 192 1058 571 route_events 0;
 #X obj 20 29 inlet;
-#X floatatom 172 125 5 0 0 0 note - -;
-#X floatatom 249 125 5 0 0 1 velocity - -;
-#X obj 172 50 route 144 145 146 147 148 149 150 151 152 153 154 155
-156 157 158 159, f 80;
+#X floatatom 172 125 5 0 0 0 note - - 0;
+#X floatatom 249 125 5 0 0 1 velocity - - 0;
+#X obj 172 50 route 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159, f 80;
 #X obj 172 103 unpack 0 0;
-#X obj 178 182 route 128 129 130 131 132 133 134 135 136 137 138 139
-140 141 142 143, f 79;
+#X obj 178 182 route 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143, f 79;
 #X obj 76 146 print note_on;
 #X obj 76 260 print note_off;
 #X obj 705 261 noteout 1;
 #X obj 786 261 noteout 2;
 #X obj 865 261 noteout 3;
 #X obj 945 261 noteout 4;
-#X obj 178 289 route 176 177 178 179 180 181 182 183 184 185 186 187
-188 189 190 191 192, f 80;
-#X floatatom 178 347 5 0 0 0 controller - -;
-#X floatatom 252 347 5 0 0 1 value - -;
+#X obj 178 289 route 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192, f 80;
+#X floatatom 178 347 5 0 0 0 controller - - 0;
+#X floatatom 252 347 5 0 0 1 value - - 0;
 #X obj 178 323 unpack 0 0;
 #X obj 52 372 print controller;
 #X obj 706 359 ctlout 1;
@@ -281,8 +255,7 @@
 #X obj 179 502 print sysex;
 #X obj 76 118 spigot;
 #X obj 95 24 inlet;
-#X obj 23 71 tgl 15 0 empty empty print_status_names 17 7 0 10 -4034
--1 -1 0 1;
+#X obj 23 71 tgl 15 0 empty empty print_status_names 17 7 0 10 #00fc04 #000000 #000000 0 1;
 #X obj 77 232 spigot;
 #X obj 52 345 spigot;
 #X obj 179 463 spigot;
@@ -333,35 +306,33 @@
 #X restore 435 593 pd route_events;
 #N canvas 114 197 1088 523 route_info 0;
 #X obj 34 13 inlet;
-#X floatatom 34 73 3 0 0 1 format - -;
-#X floatatom 142 73 5 0 0 1 tracks - -;
-#X floatatom 252 73 5 0 0 1 ticks_per_quarternote - -;
-#X floatatom 360 140 5 0 0 1 tracks - -;
-#X symbolatom 546 190 40 0 0 0 - - -;
+#X floatatom 34 73 3 0 0 1 format - - 0;
+#X floatatom 142 73 5 0 0 1 tracks - - 0;
+#X floatatom 252 73 5 0 0 1 ticks_per_quarternote - - 0;
+#X floatatom 360 140 5 0 0 1 tracks - - 0;
+#X symbolatom 546 190 40 0 0 0 - - - 0;
 #X obj 538 224 unpack 0 0;
-#X floatatom 615 278 15 0 0 0 last_tick - -;
-#X floatatom 538 250 5 0 0 1 track - -;
-#X floatatom 449 190 5 0 0 1 track - -;
+#X floatatom 615 278 15 0 0 0 last_tick - - 0;
+#X floatatom 538 250 5 0 0 1 track - - 0;
+#X floatatom 449 190 5 0 0 1 track - - 0;
 #X obj 449 164 unpack 0 s;
 #X obj 627 316 unpack 0 0 0 0;
-#X floatatom 627 352 3 0 0 1 / - -;
-#X floatatom 663 353 3 0 0 1 - - -;
-#X floatatom 699 353 5 0 0 1 clocks_per_click - -;
-#X floatatom 736 379 5 0 0 1 32nds_per_quarternote - -;
-#X floatatom 716 136 15 0 0 0 microsec_per_quarternote - -;
+#X floatatom 627 352 3 0 0 1 / - - 0;
+#X floatatom 663 353 3 0 0 1 - - - 0;
+#X floatatom 699 353 5 0 0 1 clocks_per_click - - 0;
+#X floatatom 736 379 5 0 0 1 32nds_per_quarternote - - 0;
+#X floatatom 716 136 15 0 0 0 microsec_per_quarternote - - 0;
 #X obj 229 354 /;
-#X floatatom 442 374 15 0 0 0 microsec_per_tick - -;
+#X floatatom 442 374 15 0 0 0 microsec_per_tick - - 0;
 #X obj 229 395 / 1000;
-#X floatatom 229 426 15 0 0 0 millisec_per_tick - -;
+#X floatatom 229 426 15 0 0 0 millisec_per_tick - - 0;
 #X obj 906 190 print other_meta;
-#X obj 360 103 route seq_num name end time_sig microsec_per_quarternote
-;
+#X obj 360 103 route seq_num name end time_sig microsec_per_quarternote;
 #X obj 805 161 route key_sig;
 #X obj 805 218 unpack 0 0 s;
-#X symbolatom 898 323 10 0 0 0 key - -;
-#X floatatom 805 247 5 0 0 1 +sharps/-flats - -;
-#X obj 851 276 tgl 15 0 empty empty minor 17 7 0 10 -262144 -1 -1 0
-1;
+#X symbolatom 898 323 10 0 0 0 key - - 0;
+#X floatatom 805 247 5 0 0 1 +sharps/-flats - - 0;
+#X obj 851 276 tgl 15 0 empty empty minor 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 546 164 list prepend;
 #X obj 898 297 list prepend;
 #X obj 34 43 route format tracks ticks_per_quarternote;
@@ -405,14 +376,12 @@
 #X obj 718 562 route bang;
 #X text 222 441 goto tick 68050:;
 #X obj 386 147 r msec_per_tick;
-#X floatatom 386 186 9 0 0 0 - - -;
+#X floatatom 386 186 9 0 0 0 - - - 0;
 #X text 81 593 MIDI messages are output on first outlet as lists:;
-#X text 386 108 milliseconds per tick is calculated from metadata at
-start of file. Step one tick to get the initial value.;
+#X text 386 108 milliseconds per tick is calculated from metadata at start of file. Step one tick to get the initial value.;
 #X obj 435 542 midifile;
 #X text 548 541 meta data \, bang at end of file on third outlet;
-#X obj 573 578 tgl 15 1 empty empty print_status_names 17 7 0 10 -4034
--1 -1 0 1;
+#X obj 573 578 tgl 15 1 empty empty print_status_names 17 7 0 10 #00fc04 #000000 #000000 0 1;
 #X text 728 676 Martin Peach \, 2011-2020;
 #X connect 0 0 45 0;
 #X connect 1 0 22 0;
@@ -454,16 +423,14 @@ start of file. Step one tick to get the initial value.;
 #X restore 76 83 pd midifile_read;
 #X text 15 10 midifile reads and writes MIDI files.;
 #N canvas 403 187 587 265 META 0;
-#X text 12 185 HELP_PATCH_AUTHORS "pd meta" information added by Jonathan
-Wilkes for Pd version 0.42.;
+#X text 12 185 HELP_PATCH_AUTHORS "pd meta" information added by Jonathan Wilkes for Pd version 0.42.;
 #X text 12 25 LICENSE GPL v2 or later;
 #X text 12 165 AUTHOR Martin Peach;
 #X text 12 5 KEYWORDS control MIDI;
 #X text 12 45 DESCRIPTION read and write MIDI files;
 #X text 12 105 OUTLET_0 list;
 #X text 12 125 OUTLET_1 float;
-#X text 12 65 INLET_0 bang float list rewind read track dump verbose
-write meta flush;
+#X text 12 65 INLET_0 bang float list rewind read track dump verbose write meta flush;
 #X text 12 145 OUTLET_2 bang \, list;
 #X restore 335 202 pd META;
 #X text 148 203 2020/06/10 Martin Peach;