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
}
		if ( altTextKey != null )
		{
			IOUtil.writeInt( out, FIELD_ALTTEXTKEY );
			IOUtil.writeString( out, altTextKey );
		}
	}
	protected void readField( int version, int filedId, DataInputStream in )
			throws IOException
	{
		switch ( filedId )
		{
			case FIELD_ROW_TYPE :
				rawType = IOUtil.readString( in  );
				break;
			case FIELD_ROWVALUE :
				rawValue = IOUtil.readObject( in );
				break;
			case FIELD_ALTTEXT :
				altText = IOUtil.readString( in );
				break;
			case FIELD_ALTTEXTKEY :
				altTextKey = IOUtil.readString( in );
				break;
			default :
				super.readField( version, filedId, in );
		}
	}
}