+\r
+ /**\r
+ * Whether the node is invisible in wysiwyg mode.\r
+ * @param isReject\r
+ */\r
+ CKEDITOR.dom.walker.invisible = function( isReject )\r
+ {\r
+ var whitespace = CKEDITOR.dom.walker.whitespaces();\r
+ return function( node )\r
+ {\r
+ // Nodes that take no spaces in wysiwyg:\r
+ // 1. White-spaces but not including NBSP;\r
+ // 2. Empty inline elements, e.g. <b></b> we're checking here\r
+ // 'offsetHeight' instead of 'offsetWidth' for properly excluding\r
+ // all sorts of empty paragraph, e.g. <br />.\r
+ var isInvisible = whitespace( node ) || node.is && !node.$.offsetHeight;\r
+ return !! ( isReject ^ isInvisible );\r
+ };\r
+ };\r
+\r
+ CKEDITOR.dom.walker.nodeType = function( type, isReject )\r
+ {\r
+ return function( node )\r
+ {\r
+ return !! ( isReject ^ ( node.type == type ) );\r
+ };\r
+ };\r
+\r
+ var tailNbspRegex = /^[\t\r\n ]*(?: |\xa0)$/,\r
+ isWhitespaces = CKEDITOR.dom.walker.whitespaces(),\r
+ isBookmark = CKEDITOR.dom.walker.bookmark(),\r
+ toSkip = function( node )\r
+ {\r
+ return isBookmark( node )\r
+ || isWhitespaces( node )\r
+ || node.type == CKEDITOR.NODE_ELEMENT\r
+ && node.getName() in CKEDITOR.dtd.$inline\r
+ && !( node.getName() in CKEDITOR.dtd.$empty );\r
+ };\r
+\r
+ // Check if there's a filler node at the end of an element, and return it.\r
+ CKEDITOR.dom.element.prototype.getBogus = function()\r
+ {\r
+ // Bogus are not always at the end, e.g. <p><a>text<br /></a></p> (#7070).\r
+ var tail = this;\r
+ do { tail = tail.getPreviousSourceNode(); }\r
+ while ( toSkip( tail ) )\r
+\r
+ if ( tail && ( !CKEDITOR.env.ie ? tail.is && tail.is( 'br' )\r
+ : tail.getText && tailNbspRegex.test( tail.getText() ) ) )\r
+ {\r
+ return tail;\r
+ }\r
+ return false;\r
+ };\r
+\r