Histogram Style Moving Average Differences - Amibroker AFL Code

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/*MA Diff 20 by Larry Lovrencic*/
T=20; /*Time Period for MA*/
KMA=((C-MA(C,T))/MA(C,T))*100;   
Graph0=KMA;
Graph0Style=2+4;
Graph0BarColor=IIf(KMA>0,5,4);
GraphXSpace=5;