Template:Collapsible option

How to manage this template's initial visibility To manage this template's visibility when it first appears, add the parameter ...
 * .......... to show the template in its collapsed state, i.e. hidden apart from its titlebar;
 * ............ to show the template in its expanded state, i.e. fully visible;
 * .... to show the template in its collapsed state but only if there is another template of the same type on the page.