Author Tab
The Author tab is a container that holds information regarding the CSS file used to render a document in the Author mode, and regarding framework-specific actions, menus, contextual menus, toolbars, and content completion list of proposals.
To open the Author tab of the Document type configuration dialog box, open the Preferences dialog box , go to Document Type Association, use the New, Edit, Duplicate, or Extend button, and click on the Author tab.
The options that you configure in the Author tab are grouped in subtabs.