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#X obj 14 66 gemwin;
#X obj 14 9 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0 1
;
#X msg 48 10 create;
#X msg 55 33 destroy;
#X obj 14 93 gemhead;
#X text 170 17 A tutorial on recursion in Gem;
#X text 170 37 (GPL) 2007 Claude Heiland-Allen <claude@mathr.co.uk>
;
#X obj 30 159 r \$0-recurse;
#X obj 68 133 v \$0-depth;
#X obj 14 113 t a b;
#X floatatom 84 70 5 0 0 2 max-depth - -;
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#X obj 60 188 circle;
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#X obj 14 386 scale 0.35;
#X obj 14 270 nrepeat 5;
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#X obj 149 259 swap 360;
#X obj 149 282 /;
#X obj 118 215 clip 1 16;
#X obj 84 89 clip 1 6;
#X text 170 77 Recursion can be combined with iteration to make complex
structures. However \, using the [repeat] from Zexy is no longer enough.
Trying to use it with an external counter leads to re-entrancy bugs
\, because the [repeat] is retriggered before the counter has finished
\, which messes up the counter's internal state. [nrepeat] is a "repeat
with a built in counter" \, which is re-entrancy safe.;
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