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<includeonly><div class="spoilerbox mw-collapsible mw-collapsed">
<div class="spoilerbox-header">{{#if:{{{header|}}}|{{{header}}}|Spoiler content}}</div>
<div class="spoilerbox-content mw-collapsible-content">{{#if:{{{content|}}}|{{{content}}}|The <code>content</code> parameter is empty.}}</div>
</div><templatestyles src="Template:Spoiler box/styles.css"/></includeonly><noinclude>{{/doc}}</noinclude>