Index: /CKEditor/trunk/_source/core/dom/element.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/element.js (revision 6445)
+++ /CKEditor/trunk/_source/core/dom/element.js (revision 6446)
@@ -925,5 +925,10 @@
/**
- * @param {Boolean} [inlineOnly=true] Allow only inline elements to be merged.
+ * Merges sibling elements that are identical to this one.
+ *
+ * Identical child elements are also merged. For example:
+ * <b><i></i></b><b><i></i></b> => <b><i></i></b>
+ * @function
+ * @param {Boolean} [inlineOnly] Allow only inline elements to be merged. Defaults to "true".
*/
mergeSiblings : ( function()