Wikimedia Bugzilla is closed!

When listing pages using DPL query and page_title in database is named like "test_&_test2" amp; is lost in name and link to not existing page is build.

Fix:
 if ($bEscapeLinks && ($pageNamespace==14 || $pageNamespace==6) ) {
	        // links to categories or images need an additional ":"
			$articleLink = '[[:'.htmlspecialchars($title->getPrefixedText()).'|'.htmlspecialchars( $wgContLang->convert( $sTitleText ) ).']]';
        } else {
			$articleLink = '[['.htmlspecialchars($title->getPrefixedText()).'|'.htmlspecialchars( $wgContLang->convert( $sTitleText ) ).']]';
		}
		$dplArticle->mLink = $articleLink;

This one of possible fixes: add htmlspecialchars call to name and url when building resulting wikitext.