X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/105a4e9cdd9d1dffdff6411e7b7e83ff507c68e6..f93de3e03a720d2b0373ed31977aeb4c47c7fb69:/src/smartxml/smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 08897cc..8924e7f 100644
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -79,6 +79,10 @@ $.extend(DocumentNode.prototype, {
         return this.document.root.sameNode(this);
     },
 
+    isInDocument: function() {
+        return this.document.containsNode(this);
+    },
+
     isSiblingOf: function(node) {
         return node && this.parent().sameNode(node.parent());
     },