Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

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

Closes #11925

docs/content/en/methods/page/Slug.md

@@ -0,0 +1,25 @@
+---
+title: Slug
+description: Returns the URL slug of the given page as defined in front matter.
+categories: []
+keywords: []
+action:
+  related: []
+  returnType: string
+  signatures: [PAGE.Slug]
+---
+
+{{< code-toggle file=content/recipes/spicy-tuna-hand-rolls.md fm=true >}}
+title = 'How to make spicy tuna hand rolls'
+slug = 'sushi'
+{{< /code-toggle >}}
+
+This page will be served from:
+
+    https://example.org/recipes/sushi
+
+To get the slug value within a template:
+
+```go-html-template
+{{ .Slug }} → sushi
+```