From 4c90f726178aa62530b46eb7a51d769c5553e9ac Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Thu, 21 Oct 2010 17:49:06 +1100
Subject: [PATCH] Fix :zoom with a relative argument.

---
 common/content/buffer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/content/buffer.js b/common/content/buffer.js
index 63da798b..094476de 100644
--- a/common/content/buffer.js
+++ b/common/content/buffer.js
@@ -1380,7 +1380,7 @@ const Buffer = Module("buffer", {
                 else if (/^\d+$/.test(arg))
                     level = parseInt(arg, 10);
                 else if (/^[+-]\d+$/.test(arg)) {
-                    level = this.zoomLevel + parseInt(arg, 10);
+                    level = buffer.zoomLevel + parseInt(arg, 10);
                     // relative args shouldn't take us out of range
                     level = Math.constrain(level, Buffer.ZOOM_MIN, Buffer.ZOOM_MAX);
                 }