/*
* Copyright 2006-2011 WorldWide Conferencing, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.liftweb
package util
import scala.xml._
import scala.xml.transform._
import scala.collection.mutable.ListBuffer
import common._
import Helpers._
/**
* This object provides functions to setup the head section of html documents.</p>
*/
object HeadHelper {
/**
* This method returns its parameter unmodified.
*/
def identity(xml: NodeSeq) : NodeSeq = xml
/**
* Removes duplicate node but treats <stript> and tags differently.