re: #6408

public/language/en-GB/topic.json

@@ -150,5 +150,7 @@
 
 	"diffs.title": "Post Edit History",
 	"diffs.description": "This post has <strong>%1</strong> revisions. Click one of the revisions below to see the post content at that point in time.",
-	"diffs.no-revisions-description": "This post has <strong>%1</strong> revisions."
+	"diffs.no-revisions-description": "This post has <strong>%1</strong> revisions.",
+	"diffs.current-revision": "current revision",
+	"diffs.original-revision": "original revision"
 }

public/src/client/topic/diffs.js

@@ -15,6 +15,8 @@ define('forum/topic/diffs', ['forum/topic/images', 'benchpress', 'translator'],
 				return app.alertError(err.message);
 			}
 
+			timestamps.unshift(Date.now());
+
 			Benchpress.parse('partials/modals/post_history', {
 				diffs: timestamps.map(function (timestamp) {
 					timestamp = parseInt(timestamp, 10);

src/posts/diffs.js

@@ -27,7 +27,7 @@ Diffs.get = function (pid, since, callback) {
 		function (timestamps, next) {
 			// Pass those made after `since`, and create keys
 			const keys = timestamps.filter(function (timestamp) {
-				return (parseInt(timestamp, 10) || 0) > since;
+				return (parseInt(timestamp, 10) || 0) >= since;
 			}).map(function (timestamp) {
 				return 'diff:' + pid + '.' + timestamp;
 			});