ref: 58c56e9ded2e4b7f0c9ae7e02f89f3a1dcb0d3a7
dir: /tpl/tplimpl/embedded/templates/shortcodes/highlight.html/
{{ if len .Params | eq 2 }}{{ highlight (trim .Inner "\n\r") (.Get 0) (.Get 1) }}{{ else }}{{ highlight (trim .Inner "\n\r") (.Get 0) "" }}{{ end }}