When creating a new page, there's a "Promote" tab. Under the "for search engines" section there's a "title tag" and a "meta description" value. As I understand, the "title tag" sets the document's title and the "meta description" sets the document's meta description. But how would I actually use these values in my page template?
I searched far and wide, but it seems that Wagtail's documentation explains nothing about the Promote tab or what purpose it serves. Are the values defined there available as template variables? How would I actually access a page's "title tag" or "meta description"?