Prism does its best to encourage good authoring practices. Therefore, it only works with <code> elements, since marking up code without a <code> element is semantically invalid.
- According to the HTML5 spec, the recommended way to define a code language is a language-xxxx class, which is what Prism uses.
+ According to the HTML5 spec, the recommended way to define a code language is a language-xxxx class, which is what Prism uses.
To make things easier however, Prism assumes that this language definition is inherited. Therefore, if multiple <code> elements have the same language, you can add the language-xxxx class on one of their common ancestors.
This way, you can also define a document-wide default language, by adding a language-xxxx class on the <body> or <html> element.