patch MediaWiki core enable Special:Statistics description

Gerrit-612939-SpecialStatistics_SummaryText.patch

From c695c9e6374e64321d96d150e6ab8a93a55b1360 Mon Sep 17 00:00:00 2001
From: Ammar Abdulhamid
Date: Wed, 15 Jul 2020 20:56:45 +0100
Subject: [PATCH] Allow description text for uploaded files line in Special:Statistics

Also make Statistics summary text to really work. The message
exists for a long time but it is not being used in the special page.

Bug: T258095
Change-Id: Ic228fdb7b13ef824ef0611d9cb2d5b79504cd929
---

diff --git a/includes/specials/SpecialStatistics.php b/includes/specials/SpecialStatistics.php
index 3f3ab67..cbe2893 100644
--- a/includes/specials/SpecialStatistics.php
+++ b/includes/specials/SpecialStatistics.php
@@ -39,6 +39,7 @@
 
 	public function execute( $par ) {
 		$this->setHeaders();
+		$this->outputHeader();
 		$this->getOutput()->addModuleStyles( 'mediawiki.special' );
 
 		$this->edits = SiteStats::edits();
@@ -144,7 +145,7 @@
 				$linkRenderer->makeKnownLink( SpecialPage::getTitleFor( 'MediaStatistics' ),
 				$this->msg( 'statistics-files' )->text() ),
 				$this->getLanguage()->formatNum( $this->images ),
-				[ 'class' => 'mw-statistics-files' ] );
+				[ 'class' => 'mw-statistics-files' ], 'statistics-files-desc' );
 		}
 
 		return $pageStatsHtml;
diff --git a/languages/i18n/en.json b/languages/i18n/en.json
index a3a020d..85340ff 100644
--- a/languages/i18n/en.json
+++ b/languages/i18n/en.json
@@ -2025,6 +2025,7 @@
 	"statistics-pages": "Pages",
 	"statistics-pages-desc": "All pages in the wiki, including talk pages, redirects, etc.",
 	"statistics-files": "Uploaded files",
+	"statistics-files-desc": "",
 	"statistics-edits": "Page edits since {{SITENAME}} was set up",
 	"statistics-edits-average": "Average edits per page",
 	"statistics-users": "Registered users",
diff --git a/languages/i18n/qqq.json b/languages/i18n/qqq.json
index 8f32a4d..b959030 100644
--- a/languages/i18n/qqq.json
+++ b/languages/i18n/qqq.json
@@ -2241,6 +2241,7 @@
 	"statistics-pages": "Used in [[Special:Statistics]]\n{{Identical|Page}}",
 	"statistics-pages-desc": "Tooltip shown over ''Pages'' (or as a note below it) in [[Special:Statistics]]",
 	"statistics-files": "Used in [[Special:Statistics]].\n{{Identical|Uploaded file}}",
+	"statistics-files-desc": "Tooltip shown over ''Uploaded file'' (or as a note below it) in [[Special:Statistics]]",
 	"statistics-edits": "Used in [[Special:Statistics]]",
 	"statistics-edits-average": "Used in [[Special:Statistics]]",
 	"statistics-users": "Used in [[Special:Statistics]].",