This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible.

To change this template's initial visibility, the |state= parameter may be used:

• ((UK Christmas number ones in the 1980s|state=collapsed)) will show the template collapsed, i.e. hidden apart from its title bar.
• ((UK Christmas number ones in the 1980s|state=expanded)) will show the template expanded, i.e. fully visible.