From d937ea6562a9606581ffe25f64a6056942c13794 Mon Sep 17 00:00:00 2001
From: mappu <mappu04@gmail.com>
Date: Sun, 13 Aug 2017 17:58:01 +1200
Subject: [PATCH] prevent viewing history for unknown articles

---
 rHistory.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rHistory.go b/rHistory.go
index b3684f9..dedf7f5 100644
--- a/rHistory.go
+++ b/rHistory.go
@@ -20,6 +20,11 @@ func (this *WikiServer) routeHistory(w http.ResponseWriter, r *http.Request, art
 		return
 	}
 
+	if len(revs) == 0 {
+		this.serveErrorHTMLMessage(w, this.noSuchArticleError(articleTitle))
+		return
+	}
+
 	pto := DefaultPageTemplateOptions(this.opts)
 	pto.CurrentPageName = articleTitle
 	pto.CurrentPageIsArticle = true