Bug 168305 IsHostPage doesn't work for birt:report tag.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/AbstractBaseTag.java
implements
			ITagConstants
{
	/**
	 * Object that specifies tag supported attributes
	 */
	public ViewerField viewer;
	/**
	 * Then entry to validate tag
	 * 
	 * @throws Exception
	 */
	public abstract void __validate( ) throws Exception;
	/**
	 * Then entry to process tag
	 *