 						@parentSet = true
 						@item.parent = item
 						break
-				else unless tmpNode.name in 'neft:blank'
+				else unless tmpNode.name is 'neft:blank'
 					tmpNode._documentStyle = @
 
 				tmpNode = tmpNode._parent

					@baseLinkUri = @item.linkUri
				@item.linkUri = href

		if obj and not @children.length and not @node.query('[neft:style]')
			text = node.stringifyChildren()

			if text.length > 0 or @isTextSet

		# clean index finding data
		tmpNode = @node
		while (tmpNode = tmpNode._parent) && not tmpNode.style
			if tmpNode.name is 'neft:blank'
				tmpNode._documentStyle = null
		return

