Ticket #4886: 4886_2.patch

_source/plugins/styles/plugin.js

@@ -366 +366 @@
                         else
                         {
                                 var nodeType = currentNode.type;
-                                var nodeName = nodeType == CKEDITOR.NODE_ELEMENT ? currentNode.getName() : null;
+                                var nodeName = nodeType == CKEDITOR.NODE_ELEMENT ? currentNode.getName() : null,
+                                        emptyText = nodeType == CKEDITOR.NODE_TEXT && !CKEDITOR.tools.trim( currentNode.getText() ) ;
 
-                                if ( nodeName && currentNode.getAttribute( '_fck_bookmark' ) )
+                                // Empty/space text nodes, BRs and bookmarks can be ignored. (#4886)
+                                if ( emptyText || ( nodeName && ( nodeName == 'br' || currentNode.getAttribute( '_fck_bookmark' ) ) ) )
                                 {
                                         currentNode = currentNode.getNextSourceNode( true );
                                         continue;