-Added better comments in code to help anyone looking to make changes.
-Fixed some issues causing the arrows to appear next to candlesticks that have already met the conditions, resulting in multiple arrows clumped up.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.