+ /**
+ * Adds help link with an icon via page indicators.
+ * Link target can be overridden by a local message containing a wikilink:
+ * the message key is: lowercase special page name + '-helppage'.
+ * @param string $to Target MediaWiki.org page title or encoded URL.
+ * @param bool $overrideBaseUrl Whether $url is a full URL, to avoid MW.o.
+ * @since 1.25
+ */
+ public function addHelpLink( $to, $overrideBaseUrl = false ) {
+ global $wgContLang;
+ $msg = $this->msg( $wgContLang->lc( $this->getName() ) . '-helppage' );
+
+ if ( !$msg->isDisabled() ) {
+ $helpUrl = Skin::makeUrl( $msg->plain() );
+ $this->getOutput()->addHelpLink( $helpUrl, true );
+ } else {
+ $this->getOutput()->addHelpLink( $to, $overrideBaseUrl );
+ }
+ }
+