Ticket #9129: 9129.patch

_source/plugins/list/plugin.js

@@ -972 +972 @@
                                                                 joinNextLineToCursor( editor, cursor, range );
                                                                 evt.cancel();
                                                         }
+                                                        else
+                                                        {
+                                                                var list = path.contains( listNodeNames ), li;
+
+                                                                // Backspace pressed at the start of list. (#9129)
+                                                                if ( list && range.checkBoundaryOfElement( list, CKEDITOR.START ) )
+                                                                {
+                                                                        li = path.contains( CKEDITOR.dtd.$listItem );
+
+                                                                        // Outdent if inside of empty list item.
+                                                                        if ( range.checkBoundaryOfElement( li, CKEDITOR.START ) &&
+                                                                             range.checkBoundaryOfElement( li, CKEDITOR.END ) )
+                                                                        {
+                                                                                editor.execCommand( 'outdent' );
+                                                                                evt.cancel();
+                                                                        }
+                                                                        // Avoid destroying the list if it gets no contents before.
+                                                                        else if ( !list.getPrevious( nonEmpty ) )
+                                                                                evt.cancel();
+                                                                }
+                                                        }
                                                 }
                                                 else
                                                 {