What's the alternative of ${__cell} in new Grafana 7 to escape HTML char

In the old version, the Grafana table can use ${__cell} to get an HTML escaped value. However, I can’t find the alternative in the new Grafana 7.

It breaks the link which needs to escape special char in the link.
Any idea?

Well, I can answer myself.

Use Percentencode as described at https://grafana.com/docs/grafana/latest/variables/advanced-variable-format-options/#percentencode
So the format is

However, the format name is not accurate enough, because it’s a compelte htmlencode!