Bug 313882 [Regression]pageoverflow plus pagebreakinternal shows different pdf pages in web viewer and preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/ContainerArea.java
}
	public void removeChild( IArea area )
	{
		children.remove( area );
	}
	public void accept( IAreaVisitor visitor )
	{
		visitor.visitContainer( this );
	}
	public int getChildrenCount( )
	{
		return children.size( );
	}
	public boolean needClip( )
	{
		return needClip;
	}
	public void setNeedClip( boolean needClip )
	{
		this.needClip = needClip;
	}
	public BoxStyle getBoxStyle( )
	{
		return boxStyle;
	}
	public void setBoxStyle( BoxStyle boxStyle )
	{
		this.boxStyle = boxStyle;
	}
	public CSSValue getPageBreakAfter( )