Index: /CKEditor/branches/features/sharedspaces/CHANGES.html
===================================================================
--- /CKEditor/branches/features/sharedspaces/CHANGES.html	(revision 4651)
+++ /CKEditor/branches/features/sharedspaces/CHANGES.html	(revision 4652)
@@ -107,4 +107,6 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4690">#4690</a> : Fixed the parsing of nested inline elements.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4621">#4621</a> : Fixed clicking below table cause a empty table been generated.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4450">#4450</a> : Fixed selecting multiple table cells before apply justify commands generates spurious paragraph in Firefox.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4733">#4733</a> : Fixed dialog opening sometimes hang up Firefox and Safari.</li>
 	</ul>
 	<h3>
Index: /CKEditor/branches/features/sharedspaces/_source/core/dom/range.js
===================================================================
--- /CKEditor/branches/features/sharedspaces/_source/core/dom/range.js	(revision 4651)
+++ /CKEditor/branches/features/sharedspaces/_source/core/dom/range.js	(revision 4652)
@@ -1579,4 +1579,5 @@
 			return walker.checkForward();
 		},
+
 		/**
 		 * Moves the range boundaries to the first/end editing point inside an
@@ -1632,4 +1633,23 @@
 		},
 
+		/**
+		 * Get the single node enclosed within the range if there's one.
+		 */
+		getEnclosedNode : function()
+		{
+			var walkerRange = this.clone(),
+				walker = new CKEDITOR.dom.walker( walkerRange ),
+				isNotBookmarks = CKEDITOR.dom.walker.bookmark( true ),
+				isNotWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),
+				evaluator = function( node )
+				{
+					return isNotWhitespaces( node ) && isNotBookmarks( node );
+				};
+			walkerRange.evaluator = evaluator;
+			var node = walker.next();
+			walker.reset();
+			return node && node.equals( walker.previous() ) ? node : null;
+		},
+
 		getTouchedStartNode : function()
 		{
Index: /CKEditor/branches/features/sharedspaces/_source/plugins/dialog/plugin.js
===================================================================
--- /CKEditor/branches/features/sharedspaces/_source/plugins/dialog/plugin.js	(revision 4651)
+++ /CKEditor/branches/features/sharedspaces/_source/plugins/dialog/plugin.js	(revision 4652)
@@ -252,9 +252,10 @@
 				return;
 
-			var currentIndex = ( me._.currentFocusIndex + offset + focusList.length ) % focusList.length;
+			var startIndex = ( me._.currentFocusIndex + offset + focusList.length ) % focusList.length,
+				currentIndex = startIndex;
 			while ( !focusList[ currentIndex ].isFocusable() )
 			{
 				currentIndex = ( currentIndex + offset + focusList.length ) % focusList.length;
-				if ( currentIndex == me._.currentFocusIndex )
+				if ( currentIndex == startIndex )
 					break;
 			}
Index: /CKEditor/branches/features/sharedspaces/_source/plugins/domiterator/plugin.js
===================================================================
--- /CKEditor/branches/features/sharedspaces/_source/plugins/domiterator/plugin.js	(revision 4651)
+++ /CKEditor/branches/features/sharedspaces/_source/plugins/domiterator/plugin.js	(revision 4652)
@@ -216,9 +216,8 @@
 						endPath = new CKEDITOR.dom.elementPath( range.endContainer );
 
-					// Drop the range if it only contains bookmark nodes.(#4087)
-					if ( boundaryNodes.startNode.equals( boundaryNodes.endNode )
-						&& boundaryNodes.startNode.getParent().equals( startPath.blockLimit )
-						&& boundaryNodes.startNode.type == CKEDITOR.NODE_ELEMENT
-						&& boundaryNodes.startNode.getAttribute( '_fck_bookmark' ) )
+					// Drop the range if it only contains bookmark nodes.(#4087,#4450)
+					if ( boundaryNodes.startNode.getParent().equals( startPath.blockLimit )
+						 && boundaryNodes.startNode.is && boundaryNodes.startNode.getAttribute( '_fck_bookmark' )
+						 && boundaryNodes.endNode.is && boundaryNodes.startNode.getAttribute( '_fck_bookmark' ) )
 					{
 						range = null;