Template:Collapsible option

Use {{Template name|state=collapsed}} to show this template in its collapsed (hidden) state.
Use {{Template name|state=expanded}} to show this template in its expanded (fully visible) state.
Use {{Template name|state=autocollapse}} to show this template in its collapsed (hidden) state only if there is another template of the same type on the page. (This is the default.)

Template documentation[create] [purge]

Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.