Manual:$wgHtml5/de-formal

<translate> This feature was removed completely in version <tvar name=ver>1.34.0</tvar>.</translate>

<translate> Output</translate>: $wgHtml5
Whether to output an HTML 5 doctype.
<translate> Introduced in version:</translate>	1.16.0 (r53034)
<translate> Deprecated in version:</translate>	1.22.0 (Gerrit change 63106; git #97caae59)
<translate> Removed in version:</translate>	1.34.0 (Gerrit change 522570; git #a8d26127)
<translate> Allowed values:</translate>	(boolean)
<translate> Default value:</translate>	`true`
<translate> Other settings:</translate> <translate> Alphabetical</translate> \| <translate> By function</translate>

Details

Whether to output an HTML5 doctype. See HTML5 for more information.

If $wgWellFormedXml is set to "true", the markup will be constructed so it can still be processed as XML.

In order to allow the use of microdata attributes in wikitext, set $wgAllowMicrodataAttributes to "true".