Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

```
git subtree add --prefix=docs/ https://github.com/gohugoio/hugoDocs.git master --squash
```

Closes #11925

docs/content/en/functions/transform/CanHighlight.md

@@ -0,0 +1,18 @@
+---
+title: transform.CanHighlight
+description: Reports whether the given code language is supported by the Chroma highlighter.
+categories: []
+keywords: []
+action:
+  aliases: []
+  related:
+    - functions/transform/Highlight
+    - functions/transform/HighlightCodeBlock
+  returnType: bool
+  signatures: [transform.CanHighlight LANGUAGE]
+---
+
+```go-html-template
+{{ transform.CanHighlight "go" }} → true
+{{ transform.CanHighlight "klingon" }} → false
+```