fix?

contrib/js/backlink.js

@@ -275,7 +275,6 @@ function init(prefix) {
   e.addEventListener("dragstart", function(ev) {
     mouseDownX = ev.clientX;
     mouseDownY = ev.clientY;
-    ev.stopPropagation();
     ev.preventDefault();
     
   }, false);
@@ -286,7 +285,6 @@ function init(prefix) {
     rpl.moveTo(x, y);
     originalX = x;
     originalY = y;
-    ev.stopPropagation();
     ev.preventDefault();
   }, false);
 }