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##Procedures
##procedure defproc replay
##You can define procedures with input parameters that can be replayed later.
defproc adjust_line($color, $width, $weak_width=1) [export=yes] {
defstyle arrow, blockarrow, vertical, pipe, box, emptybox, divider,
symbol, indicator, note, vertical_pointer, vertical_range,
vertical_bracket, vertical_brace
[line.width=$width, line.color=$color];
defstyle box_collapsed, box_collapsed_arrow, entity, entitygroup,
entitygroup_collapsed
[line.width=$width, line.color=$color];
defstyle box, box_collapsed, emptybox
[tag.line.width=$width, tag.line.color=$color];
defstyle entity, entitygroup_collapsed
[vline.width=$width, vline.color=$color];
defstyle weak [line.width=$weak_width, vline.width=$weak_width];
};
hscale=auto;
a->b: before;
replay adjust_line(black, 2);
b->c: after black and 2;
replay adjust_line(blue, 3);
c->d: after blue and 3;
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