Provides a helper/info widget for the Viewfield arguments textfield.

Making embedded Views can be tricky for content editors, particularly if they need to add contextual filtering. Viewfield exposes the contextual arguments as a text field, requiring the user to compose these arguments properly. For example "204,95/72" might mean pass (filter by) terms 204 OR 95 on the first contextual argument and node ID 72 on the second. But you have to know: