Ticket #5747: 5747.patch

_source/plugins/selection/plugin.js

@@ -233 +233 @@
                                                                         }
                                                                 }
 
+                                                                // Avoid saving selection from within text input. (#5747)
+                                                                var parentTag;
+                                                                if ( nativeSel.type == 'Text'
+                                                                        && ( parentTag = nativeSel.createRange().parentElement().nodeName.toLowerCase() )
+                                                                        && parentTag in { input: 1, textarea : 1 } )
+                                                                {
+                                                                        return;
+                                                                }
+
                                                                 savedRange = nativeSel && sel.getRanges()[ 0 ];
 
                                                                 checkSelectionChangeTimeout.call( editor );