Ticket #6992: 6992.patch

_source/plugins/selection/plugin.js

@@ -647 +647 @@
                                                         // Start the measuring until distance overflows, meanwhile count the text nodes.
                                                         while ( distance > 0 )
                                                         {
-                                                                child = child[ position > 0 ? 'previousSibling' : 'nextSibling' ];
+                                                                var next = child[ position > 0 ? 'previousSibling' : 'nextSibling' ];
                                                                 try
                                                                 {
-                                                                        distance -= child.nodeValue.length;
+                                                                        distance -= next.nodeValue.length;
                                                                 }
                                                                 // Measurement in IE could be somtimes wrong because of <select> element. (#4611)
                                                                 catch( e )
                                                                 {
                                                                         return { container : parent, offset : getNodeIndex( child ) };
                                                                 }
+
+                                                                child = next;
                                                         }
 
                                                         return { container : child, offset : position > 0 ? -distance : child.nodeValue.length + distance };