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<?php $doc = new DOMDocument(); $node = $doc->createElement('sample'); $doc->appendChild($node); $group = $doc->createElement('field-group'); $node->appendChild($group); $group->setAttribute('caption', 'Group Caption'); echo $doc->saveXML($node);
Output for git.master, git.master_jit, rfc.property-hooks
<sample><field-group caption="Group Caption"/></sample>

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