Ticket #8249: 8249_2.patch

_source/plugins/indent/plugin.js

@@ -425 +425 @@
                                         }
                                 }
                         });
+
+                        editor.on( 'key', function( evt )
+                        {
+                                // Backspace at the beginning of  list item should outdent it.
+                                if ( editor.mode == 'wysiwyg' && evt.data.keyCode == 8 )
+                                {
+                                        var sel = editor.getSelection(),
+                                                range = sel.getRanges()[ 0 ],
+                                                li;
+
+                                        if ( range.collapsed &&
+                                                 ( li = range.startContainer.getAscendant( 'li', 1 ) ) &&
+                                                 range.checkBoundaryOfElement( li, CKEDITOR.START ) )
+                                        {
+                                                editor.execCommand( 'outdent' );
+                                                evt.cancel();
+                                        }
+                                }
+                        });
                 },
 
                 requires : [ 'domiterator', 'list' ]

_source/core/dom/range.js

@@ -385 +385 @@
         function elementBoundaryEval( node )
         {
                 // Reject any text node unless it's being bookmark
-                // OR it's spaces. (#3883)
-                return node.type != CKEDITOR.NODE_TEXT
-                            && node.getName() in CKEDITOR.dtd.$removeEmpty
-                            || !CKEDITOR.tools.trim( node.getText() )
-                            || !!node.getParent().data( 'cke-bookmark' );
+                // OR it's spaces.
+                // Reject any element unless it's being invisible empty. (#3883)
+                return node.type == CKEDITOR.NODE_TEXT ?
+                           !CKEDITOR.tools.trim( node.getText() ) ||
+                           !!node.getParent().data( 'cke-bookmark' )
+                           : node.getName() in CKEDITOR.dtd.$removeEmpty;
         }
 
         var whitespaceEval = new CKEDITOR.dom.walker.whitespaces(),