1 files changed, 6 insertions, 0 deletions
diff --git a/common/content/marks.js b/common/content/marks.js
index 99d42b8c..e6bbb9b4 100644
--- a/common/content/marks.js
+++ b/common/content/marks.js
@@ -44,6 +44,10 @@ var Marks = Module("marks", {
         params.offset = buffer.scrollPosition;
         params.path = util.generateXPath(buffer.findScrollable(0, params.offset.x));
         params.timestamp = Date.now() * 1000;
+        params.equals = function (m) this.location == m.location
+                                  && this.offset.x == m.offset.x
+                                  && this.offset.y == m.offset.y
+                                  && this.path == m.path;
         return params;
     },
 
@@ -90,6 +94,8 @@ var Marks = Module("marks", {
             return;
 
         let mark = this.add("'");
+        if (jump && mark.equals(jump.mark))
+            return;
 
         if (!this.jumping) {
             store.jumps[++store.jumpsIndex] = { mark: mark, reason: reason };