By default it will no longer show filled gaps or labels. Edit the settings if you want to see that.
P.S. Make sure you set your chart to "scale to price only"
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.