A URI for a portal support (.

Adds a page or book to an existing book by doing the following:

• The book-location child element specifies which book to extend.

Identifies a location within a book to place an extension.

Identifies an existing book to extend and specifies a location within the book for the extension.

Replaces the look and feel for the portal's default desktop.

Defines a look and feel to replace the existing look and feel.

This element allows the Look and Feel to explicitly control the order in which titlebar buttons are returned from TitlebarPresentationContext#getButtons.

A URI for a portal support (.

Adds a book or portlet to an existing page by doing the following:

• The page-location child element specifies which page to extend.

Identifies a location within a page to place an extension.

Identifies an existing page to extend and specifies a location within the page for the extension.

Defines a single control to extend based on the control's label.

Defines one more more controls to extend using metadata.

The location and name of the .

Defines an instance of a portlet to be displayed on a page.

Provides information about the extension.

The root element of a portal extension.