Template documentation| Transclusion maintenance |
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| Check completeness of transclusions |
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:
{{2021 in association football|state=collapsed}}will show the template collapsed, i.e. hidden apart from its title bar.{{2021 in association football|state=expanded}}will show the template expanded, i.e. fully visible.