Changed use of escaped() to parse() to allow wikilinks in
MediaWiki:Powersearch-ns. Use case is provided in T157204.
Bug: T157204
Change-Id: Ic2eb28aaf735c31b50f3365176966e2e48091e54
return
"<fieldset id='mw-searchoptions'>" .
"<legend>" . $this->specialSearch->msg( 'powersearch-legend' )->escaped() . '</legend>' .
- "<h4>" . $this->specialSearch->msg( 'powersearch-ns' )->escaped() . '</h4>' .
+ "<h4>" . $this->specialSearch->msg( 'powersearch-ns' )->parse() . '</h4>' .
// populated by js if available
"<div id='mw-search-togglebox'></div>" .
$divider .