Visual gaps on chart

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<div>Hi all,

I just created a simple afl to show gaps on the chart.
You can chose in percentage the minimum gapdifference.

_SECTION_BEGIN("_plot gap");

Difference=Param("difference",0,0,5,0.1);
Diff=((Ref(C,-1)/100)*Difference);

GapU=O>Ref(H,-1)+Diff;
GapUL=(O>Ref(H,-1)+Diff) AND LRef(H,-1)+Diff) AND LRef(H,-1)+Diff) AND LRef(H,-1)+Diff) AND (L