HistoryAction: use more specific tooltip for cur and last links

Bug: T284869
Change-Id: Ie09276b8ac8b003251141f154c10cac1dec6fb24

4 files changed, 14 insertions, 4 deletions

diff --git a/includes/actions/HistoryAction.php b/includes/actions/HistoryAction.php
index 35fedd74772e..3e85516c6acb 100644
--- a/includes/actions/HistoryAction.php
+++ b/includes/actions/HistoryAction.php
@@ -89,7 +89,7 @@ class HistoryAction extends FormlessAction {
 		// Precache various messages
 		if ( !isset( $this->message ) ) {
 			$this->message = [];
-			$msgs = [ 'cur', 'last', 'pipe-separator' ];
+			$msgs = [ 'cur', 'tooltip-cur', 'last', 'tooltip-last', 'pipe-separator' ];
 			foreach ( $msgs as $msg ) {
 				$this->message[$msg] = $this->msg( $msg )->escaped();
 			}
diff --git a/includes/actions/pagers/HistoryPager.php b/includes/actions/pagers/HistoryPager.php
index f3cbb096493d..06bb2982f294 100644
--- a/includes/actions/pagers/HistoryPager.php
+++ b/includes/actions/pagers/HistoryPager.php
@@ -594,7 +594,9 @@ class HistoryPager extends ReverseChronologicalPager {
 			return $this->getLinkRenderer()->makeKnownLink(
 				$this->getTitle(),
 				new HtmlArmor( $cur ),
-				[],
+				[
+					'title' => $this->historyPage->message['tooltip-cur']
+				],
 				[
 					'diff' => $latest,
 					'oldid' => $rev->getId()
@@ -626,7 +628,9 @@ class HistoryPager extends ReverseChronologicalPager {
 			return $linkRenderer->makeKnownLink(
 				$this->getTitle(),
 				new HtmlArmor( $last ),
-				[],
+				[
+					'title' => $this->historyPage->message['tooltip-last']
+				],
 				[
 					'diff' => $prevRev->getId(),
 					'oldid' => 'prev'
@@ -649,7 +653,9 @@ class HistoryPager extends ReverseChronologicalPager {
 		return $linkRenderer->makeKnownLink(
 			$this->getTitle(),
 			new HtmlArmor( $last ),
-			[],
+			[
+				'title' => $this->historyPage->message['tooltip-last']
+			],
 			[
 				'diff' => $prevRev->getId(),
 				'oldid' => $next->rev_id
diff --git a/languages/i18n/en.json b/languages/i18n/en.json
index 506e9a3cc7fc..9e28d3127d81 100644
--- a/languages/i18n/en.json
+++ b/languages/i18n/en.json
@@ -848,8 +848,10 @@
 	"nextrevision": "Newer revision →",
 	"currentrevisionlink": "Latest revision",
 	"cur": "cur",
+	"tooltip-cur": "Difference with latest revision",
 	"next": "next",
 	"last": "prev",
+	"tooltip-last": "Difference with preceding revision",
 	"page_first": "first",
 	"page_last": "last",
 	"histlegend": "Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.<br />\nLegend: <strong>({{int:cur}})</strong> = difference with latest revision, <strong>({{int:last}})</strong> = difference with preceding revision, <strong>{{int:minoreditletter}}</strong> = minor edit.",
diff --git a/languages/i18n/qqq.json b/languages/i18n/qqq.json
index 7802e85b5abc..c26cd07fc766 100644
--- a/languages/i18n/qqq.json
+++ b/languages/i18n/qqq.json
@@ -1080,8 +1080,10 @@
 	"nextrevision": "See also:\n* {{msg-mw|Previousrevision}}",
 	"currentrevisionlink": "{{Identical|Current revision}}",
 	"cur": "Link in page history ([https://translatewiki.net/w/i.php?title=MediaWiki:Cur/qqq&action=history example]).\n\nThis is short for \"current\".",
+	"tooltip-cur": "Tooltip for {{msg-mw|cur}} link in page history. Should match entry in {{msg-mw|histlegend}}",
 	"next": "Link in page history\n\n{{Identical|Next}}",
 	"last": "Link in page history",
+	"tooltip-last": "Tooltip for {{msg-mw|last}} link in page history. Should match entry in {{msg-mw|histlegend}}",
 	"page_first": "This is part of the navigation message on the top and bottom of Special pages which are lists of things in alphabetical order, e.g. the '[[Special:Categories|Categories]]' special page. It is followed by the message {{msg-mw|Viewprevnext}}.\n{{Identical|First}}",
 	"page_last": "This is part of the navigation message on the top and bottom of Special pages which are lists of things in alphabetical order, e.g. the '[[Special:Categories|Categories]]' special page. It is followed by the message {{msg-mw|Viewprevnext}}.\n\n{{Identical|Last}}",
 	"histlegend": "Text at the top of the history page, explaining how to use it.\n\nOne or two [[:w:en:Radio button|radio buttons]] appear in each row that represents a revision of a wiki page.\n\n\"Legend\" means \"explanation of symbols\".\n\nSee also:\n* {{msg-mw|Cur}}\n* {{msg-mw|Last}}\n* {{msg-mw|Minoreditletter}}\n\nScreenshot:\n[[File:Screenshot of Revision history of Douglas Adams (Q42) - Wikidata.png|thumb|Screenshot of the revision history feature]]",