Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 7438)
+++ /CKEditor/trunk/CHANGES.html	(revision 7439)
@@ -85,4 +85,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/8835">#8835</a> : Removing the right margin on IE&lt;8 to avoid mouse click confusion.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/8400">#8400</a> : [IE] Fix script error when closing cellProperties dialog if table cell text is selected.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/8248">#8248</a> : [IE8] Fix BACKSPACE/DEL keys when working at the start/end of list items.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/core/dom/range.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/range.js	(revision 7438)
+++ /CKEditor/trunk/_source/core/dom/range.js	(revision 7439)
@@ -381,15 +381,21 @@
 	}
 
+
+	var isBogus = CKEDITOR.dom.walker.bogus();
 	// Evaluator for CKEDITOR.dom.element::checkBoundaryOfElement, reject any
 	// text node and non-empty elements unless it's being bookmark text.
-	function elementBoundaryEval( node )
+	function elementBoundaryEval( checkStart )
 	{
-		// Reject any text node unless it's being 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.$removeEmpty;
+		return function( node )
+		{
+			// Tolerant bogus br when checking at the end of block.
+			// Reject any text node unless it's being bookmark
+			// OR it's spaces.
+			// Reject any element unless it's being invisible empty. (#3883)
+			return !checkStart && isBogus( node ) ||
+					( node.type == CKEDITOR.NODE_TEXT ?
+				   	   !CKEDITOR.tools.trim( node.getText() ) || !!node.getParent().data( 'cke-bookmark' )
+				   	   : node.getName() in CKEDITOR.dtd.$removeEmpty );
+		};
 	}
 
@@ -1802,5 +1808,5 @@
 			// in the range.
 			var walker = new CKEDITOR.dom.walker( walkerRange );
-			walker.evaluator = elementBoundaryEval;
+			walker.evaluator = elementBoundaryEval( checkStart );
 
 			return walker[ checkStart ? 'checkBackward' : 'checkForward' ]();
Index: /CKEditor/trunk/_source/core/dom/walker.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/walker.js	(revision 7438)
+++ /CKEditor/trunk/_source/core/dom/walker.js	(revision 7439)
@@ -447,4 +447,23 @@
 	};
 
+	CKEDITOR.dom.walker.bogus = function( type, isReject )
+	{
+		function nonEmpty( node )
+		{
+			return !isWhitespaces( node ) && !isBookmark( node );
+		}
+
+		return function( node )
+		{
+			var parent = node.getParent(),
+				isBogus = !CKEDITOR.env.ie ? node.is && node.is( 'br' ) :
+					  node.getText && tailNbspRegex.test( node.getText() );
+
+			isBogus = isBogus && parent.isBlockBoundary() && !!parent.getLast( nonEmpty );
+
+			return !! ( isReject ^ isBogus );
+		};
+	};
+
 	var tailNbspRegex = /^[\t\r\n ]*(?:&nbsp;|\xa0)$/,
 		isWhitespaces = CKEDITOR.dom.walker.whitespaces(),
Index: /CKEditor/trunk/_source/plugins/list/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/list/plugin.js	(revision 7438)
+++ /CKEditor/trunk/_source/plugins/list/plugin.js	(revision 7439)
@@ -15,5 +15,6 @@
 	var whitespaces = CKEDITOR.dom.walker.whitespaces(),
 		bookmarks = CKEDITOR.dom.walker.bookmark(),
-		nonEmpty = function( node ){ return !( whitespaces( node ) || bookmarks( node ) ); };
+		nonEmpty = function( node ){ return !( whitespaces( node ) || bookmarks( node ) );},
+		blockBogus = CKEDITOR.dom.walker.bogus();
 
 	function cleanUpDirection( element )
@@ -496,5 +497,5 @@
 	var elementType = CKEDITOR.dom.walker.nodeType( CKEDITOR.NODE_ELEMENT );
 	// Merge list items with direction preserved. (#7448)
-	function mergeListItems( from, into, toHead )
+	function mergeListItems( from, into, refNode, toHead )
 	{
 		var child, itemDir;
@@ -503,5 +504,10 @@
 			if ( ( itemDir = child.getDirection( 1 ) ) !== into.getDirection( 1 ) )
 				child.setAttribute( 'dir', itemDir );
-			into.append( child.remove(), toHead );
+
+			child.remove();
+
+			refNode ?
+				child[ toHead ? 'insertBefore' : 'insertAfter' ]( refNode ) :
+				into.append( child, toHead  );
 		}
 	}
@@ -662,5 +668,5 @@
 					{
 						// Move children order by merge direction.(#3820)
-						mergeListItems( listNode, sibling, !rtl );
+						mergeListItems( listNode, sibling, null, !rtl );
 
 						listNode.remove();
@@ -740,4 +746,94 @@
 		defaultListHtmlFilterRules.elements[ i ] = getExtendNestedListFilter( true );
 
+	// Check if node is block element that recieves text.
+	function isTextBlock( node )
+	{
+		return node.type == CKEDITOR.NODE_ELEMENT &&
+			   ( node.getName() in CKEDITOR.dtd.$block ||
+				 node.getName() in CKEDITOR.dtd.$listItem ) &&
+			   CKEDITOR.dtd[ node.getName() ][ '#' ];
+	}
+
+	// Merge the visual line content at the cursor range into the block.
+	function joinNextLineToCursor( editor, cursor, nextCursor )
+	{
+		editor.fire( 'saveSnapshot' );
+
+		// Merge with previous block's content.
+		nextCursor.enlarge( CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS );
+		var frag = nextCursor.extractContents();
+
+		cursor.trim( false, true );
+
+		// Kill original bogus;
+		var currentPath = new CKEDITOR.dom.elementPath( cursor.startContainer );
+		var currentLi = currentPath.lastElement.getAscendant( 'li', 1 );
+
+		var bogus = currentPath.block.getBogus();
+		bogus && bogus.remove();
+
+		// Kill the tail br in extracted.
+		var last = frag.getLast();
+		if ( last && last.type == CKEDITOR.NODE_ELEMENT && last.is( 'br' ) )
+			last.remove();
+
+		// Insert fragment at the range position.
+		var nextNode = cursor.startContainer.getChild( cursor.startOffset );
+		if ( nextNode )
+			frag.insertBefore( nextNode );
+		else
+			cursor.startContainer.append( frag );
+
+		var nextPath = new CKEDITOR.dom.elementPath( nextCursor.startContainer );
+		var nextLi = nextCursor.startContainer.getAscendant( 'li', 1 );
+
+		// Move the sub list nested in the next list item.
+		if ( nextLi )
+		{
+			var sublist = getSubList( nextLi );
+			if ( sublist )
+			{
+				// If next line is in the sub list of the current list item.
+				if ( currentLi.contains( nextLi ) )
+				{
+					mergeListItems( sublist, nextLi.getParent(), nextLi );
+					sublist.remove();
+				}
+				// Migrate the sub list to current list item.
+				else
+					currentLi.append( sublist );
+			}
+		}
+
+
+		if ( nextCursor.checkStartOfBlock() &&
+			 nextCursor.checkEndOfBlock() )
+		{
+			var nextBlock = nextPath.block,
+				parentBlock = nextBlock.getParent();
+
+			nextBlock.remove();
+
+			// Remove if the path block container is now empty, e.g. li.
+			if ( parentBlock &&
+				 !parentBlock.getFirst( nonEmpty ) &&
+				 !parentBlock.equals( nextPath.blockLimit ) )
+			{
+				parentBlock.remove();
+			}
+		}
+
+		// Make fresh selection.
+		cursor.select();
+
+		editor.fire( 'saveSnapshot' );
+	}
+
+	function getSubList( li )
+	{
+		var last = li.getLast( nonEmpty );
+		return last && last.type == CKEDITOR.NODE_ELEMENT && last.getName() in listNodeNames ? last : null;
+	}
+
 	CKEDITOR.plugins.add( 'list',
 	{
@@ -763,4 +859,94 @@
 			editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, numberedListCommand ) );
 			editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, bulletedListCommand ) );
+
+			// [IE8] Fix "backspace" after list and "del" at the end of list item. (#8248)
+			if ( CKEDITOR.env.ie8Compat )
+			{
+				editor.on( 'key', function( evt )
+				{
+					var key = evt.data.keyCode;
+
+					// DEl/BACKSPACE
+					if ( editor.mode == 'wysiwyg' && key in { 8 : 1, 46 : 1 } )
+					{
+						var sel = editor.getSelection(),
+						range = sel.getRanges()[ 0 ];
+
+						if ( !range.collapsed )
+							return;
+
+						var isBackspace = key == 8;
+						var body = editor.document.getBody();
+						var walker = new CKEDITOR.dom.walker( range.clone() );
+						walker.evaluator = function( node ) { return nonEmpty( node ) && !blockBogus( node ); };
+
+						var cursor = range.clone();
+
+						if ( isBackspace )
+						{
+							walker.range.setStartAt( body, CKEDITOR.POSITION_AFTER_START );
+							walker.range.setEnd( range.startContainer, range.startOffset );
+
+							var previous = walker.previous();
+
+							// Check if cursor collapsed right behind of a list.
+							if ( previous &&
+								 previous.type == CKEDITOR.NODE_ELEMENT &&
+								 previous.getName() in listNodeNames )
+							{
+								walker.range.selectNodeContents( previous );
+								walker.reset();
+								walker.evaluator = isTextBlock;
+
+								// Place cursor at the end of previous block.
+								cursor.moveToElementEditEnd( walker.lastForward() );
+								joinNextLineToCursor( editor, cursor, range );
+								evt.cancel();
+							}
+						}
+						else
+						{
+							var li = range.startContainer.getAscendant( 'li', 1 );
+							if ( li )
+							{
+								walker.range.setEndAt( body, CKEDITOR.POSITION_BEFORE_END );
+
+								var last = li.getLast( nonEmpty );
+								var block = last && isTextBlock( last ) ? last : li;
+
+								// Indicate cursor at the visual end of an list item.
+								var isAtEnd = 0;
+
+								var next = walker.next();
+
+								// When list item contains a sub list.
+								if ( next && next.type == CKEDITOR.NODE_ELEMENT &&
+									 next.getName() in listNodeNames
+									 && next.equals( last ) )
+								{
+									isAtEnd = 1;
+
+									// Move to the first item in sub list.
+									next = walker.next();
+								}
+								// Right at the end of list item.
+								else if ( range.checkBoundaryOfElement( block, CKEDITOR.END ) )
+									isAtEnd = 1;
+
+
+								if ( isAtEnd && next )
+								{
+									// Put cursor range there.
+									var nextLine = range.clone();
+									nextLine.moveToElementEditStart( next );
+
+									joinNextLineToCursor( editor, cursor, nextLine );
+									evt.cancel();
+								}
+							}
+						}
+					}
+				} );
+			}
 		},