Bug 142387 Java based scripting -> row&col span of a cell does not work properly when preview in pdf
steps to reproduce: - use attached class, which sets row&col span of a cell in onRender event - preview attached report in HTML, PDF, Viewer expected behavior: - row&col span take effect actual behavior: - it simply didn't in PDF report
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/script/internal/element/Cell.java
* @see #setDrop(String)
	 */
	public String getDrop( )
	{
		return ( ( CellHandle ) handle ).getDrop( );
	}
	/**
	 * Sets the cell's drop property. The input value is defined in
	 * <code>DesignChoiceConstants</code> and can be one of:
	 * 
	 * <ul>
	 * <li>DROP_TYPE_NONE</li>
	 * <li>DROP_TYPE_DETAIL</li>
	 * <li>DROP_TYPE_ALL</li>
	 * </ul>
	 * 
	 * <p>
	 * 
	 * Note that This property is valid only for cells within a table; but not
	 * for cells within a grid.
	 * 
	 * @param drop
	 *            the string value of the drop property
	 * 
	 * @throws ScriptException
	 *             if the property is locked or the input value is not one of
	 *             the above.
	 * 
	 * @see #getDrop()
	 */