Bug 152834 support HTML description of the template
The template descrition is a fragment of HTML, use that fragment to render the template in HTML.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/content/impl/ForeignContent.java
}
	/**
	 * @param altText
	 *            The altText to set.
	 */
	public void setAltText( String altText )
	{
		this.altText = altText;
	}
	static final protected int FIELD_ROW_TYPE = 400;
	static final protected int FIELD_ROWVALUE = 401;
	static final protected int FIELD_ALTTEXT = 402;
	static final protected int FIELD_ALTTEXTKEY = 403;
	protected void writeFields( DataOutputStream out ) throws IOException
	{
		super.writeFields( out );
		if ( rawType != null )
		{
			IOUtil.writeInt( out,  FIELD_ROW_TYPE );
			IOUtil.writeString( out, rawType );
		}
		if ( rawValue != null )
		{
			IOUtil.writeInt( out,  FIELD_ROWVALUE );
			IOUtil.writeObject( out, rawValue );
		}
		if ( altText != null )
		{
			IOUtil.writeInt( out, FIELD_ALTTEXT );
			IOUtil.writeString( out, altText );