Ticket #7081: 7081_3.patch

_source/plugins/tableresize/plugin.js

@@ -437 +437 @@
                                                 }
 
                                                 var pillar = getPillarAtPosition( pillars, evt.$.clientX );
-                                                if ( pillar )
+
+                                                // Skip mouse drag/drop. (#7081)
+                                                if ( pillar && !evt.$.button )
                                                 {
                                                         !resizer && ( resizer = new columnResizer( editor ) );
                                                         resizer.attachTo( pillar );